218 FZUS53 KGRB 221936 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 236 PM CDT Sat Aug 22 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-222200- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 236 PM CDT Sat Aug 22 2026 .THIS AFTERNOON...N wind 10 to 15 kts. Waves 2 ft or less. A chance of showers and thunderstorms. .TONIGHT...NW wind 10 to 15 kts. Waves 2 ft or less. Clear. .SUNDAY...N wind 10 to 15 kts. Waves 2 ft or less. Sunny in the morning then becoming partly cloudy. .SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after midnight. Waves 2 ft or less. Clear. $$ LMZ521-222200- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- 236 PM CDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING... .THIS AFTERNOON...N wind 10 to 15 kts. Waves 1 to 3 ft. A chance of showers and thunderstorms. .TONIGHT...NW wind 15 to 25 kts. Waves 1 to 3 ft. Clear. .SUNDAY...N wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 1 to 3 ft. Mostly sunny in the morning then becoming partly cloudy. .SUNDAY NIGHT...N wind 10 to 15 kts. Waves 1 to 3 ft. Clear. $$ LMZ542-543-222200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 236 PM CDT Sat Aug 22 2026 .THIS AFTERNOON...N wind 10 to 15 kts. Waves 2 ft or less. A chance of showers and thunderstorms. .TONIGHT...NW wind 10 to 20 kts. Waves 2 ft or less. Mostly clear. .SUNDAY...NW wind 15 to 25 kts veering N 10 to 15 kts early in the afternoon. Waves 1 to 3 ft. Sunny in the morning then becoming partly cloudy. A Small Craft Advisory may be needed. .SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after midnight. Waves 2 ft or less. Mostly clear. $$ LMZ541-222200- Rock Island Passage to Sturgeon Bay WI- 236 PM CDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING... .THIS AFTERNOON...N wind 10 to 15 kts. Waves 2 ft or less. A chance of showers and thunderstorms. .TONIGHT...N wind 15 to 25 kts. Waves 2 to 4 ft. Clear. .SUNDAY...N wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Mostly sunny in the morning then becoming partly cloudy. .SUNDAY NIGHT...N wind 10 to 15 kts. Waves 1 to 3 ft. Clear. $$ See Lake Michigan Open Lake Forecast for Tuesday through Thursday.  221 FZUS53 KGRR 221936 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 336 PM EDT Sat Aug 22 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-230800- Pentwater to Manistee MI- 336 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .THROUGH EARLY EVENING...Northwest winds 15 to 20 knots. Mostly sunny with isolated showers and thunderstorms. A slight chance of waterspouts. Waves 2 to 4 feet. .TONIGHT...North winds 15 to 25 knots. Partly cloudy. Isolated showers and thunderstorms in the evening. A slight chance of waterspouts through the night. Waves 2 to 4 feet building to 3 to 5 feet in the late evening and overnight. .SUNDAY...Northwest winds 20 to 25 knots. Mostly sunny with a slight chance of rain showers. A slight chance of waterspouts. Waves 4 to 6 feet. .SUNDAY NIGHT...North winds 15 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest winds 5 to 15 knots backing south after midnight. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...Southwest winds 5 to 15 knots. Mostly sunny. Waves around 1 foot. .WEDNESDAY...Southwest winds 15 to 25 knots. Partly sunny with a chance of rain showers. Waves 3 to 5 feet. .THURSDAY...Northwest winds 10 to 20 knots. Mostly sunny. Waves 1 to 3 feet. $$ LMZ848-230800- Whitehall to Pentwater MI- 336 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Mostly sunny. A slight chance of waterspouts. Waves 3 to 5 feet. .TONIGHT...North winds 15 to 25 knots. Partly cloudy. Isolated showers and thunderstorms in the evening. A slight chance of waterspouts through the night. Waves 3 to 5 feet. .SUNDAY...Northwest winds 20 to 25 knots. Mostly sunny. A slight chance of waterspouts. Waves 4 to 6 feet. .SUNDAY NIGHT...North winds 15 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .MONDAY...Northwest winds 15 to 20 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest winds 10 to 15 knots backing west 5 to 10 knots in the late evening and early morning, then backing south after midnight. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...Southwest winds 5 to 15 knots. Mostly sunny. Waves around 1 foot. .WEDNESDAY...Southwest winds 15 to 25 knots. Mostly sunny with a chance of rain showers. Waves 4 to 6 feet. .THURSDAY...Northwest winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. $$ LMZ847-230800- Grand Haven to Whitehall MI- 336 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Mostly sunny. A slight chance of waterspouts. Waves 3 to 5 feet. .TONIGHT...North winds 15 to 25 knots. Partly cloudy. Isolated rain showers in the evening. A slight chance of waterspouts through the night. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late evening and overnight. .SUNDAY...Northwest winds 15 to 25 knots increasing to 30 knots early in the afternoon. Mostly sunny. A slight chance of waterspouts. Waves 4 to 6 feet. .SUNDAY NIGHT...North winds 15 to 25 knots decreasing to 10 to 15 knots after midnight. Mostly clear. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late evening and overnight. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest winds 10 to 20 knots veering north 5 to 10 knots in the late evening and early morning, then veering east after midnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...South winds 5 to 10 knots veering southwest 10 to 15 knots in the late morning and afternoon. Mostly sunny. Waves around 1 foot. .WEDNESDAY...Southwest winds 20 to 25 knots. Partly sunny with a chance of rain showers. Waves 3 to 5 feet. .THURSDAY...Northwest winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. $$ LMZ846-230800- Holland to Grand Haven MI- 336 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .THROUGH EARLY EVENING...Northwest winds around 25 knots. Sunny. A slight chance of waterspouts. Waves 3 to 5 feet. .TONIGHT...North winds 15 to 25 knots. Mostly clear. Isolated rain showers in the evening. A slight chance of waterspouts through the night. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. .SUNDAY...Northwest winds 15 to 25 knots increasing to 30 knots early in the afternoon. Mostly sunny. A slight chance of waterspouts. Waves 4 to 6 feet. .SUNDAY NIGHT...North winds 15 to 25 knots decreasing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 4 to 6 feet subsiding to 1 to 2 feet. .MONDAY...Northwest winds 10 to 20 knots. Sunny. Waves 2 to 4 feet. .MONDAY NIGHT...Northwest winds 5 to 15 knots veering east around 5 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...South winds 5 to 10 knots veering southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY...Southwest winds 15 to 20 knots. Partly sunny. Waves 3 to 5 feet. .THURSDAY...Northwest winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. $$ LMZ845-230800- South Haven to Holland MI- 336 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Sunny. A slight chance of waterspouts. Waves 4 to 6 feet. .TONIGHT...North winds 15 to 25 knots. Mostly clear. Isolated showers and thunderstorms in the evening. A slight chance of waterspouts through the night. Waves 3 to 5 feet. .SUNDAY...Northwest winds 15 to 25 knots. Mostly sunny. A slight chance of waterspouts. Waves 4 to 6 feet. .SUNDAY NIGHT...North winds 15 to 25 knots decreasing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 4 to 6 feet subsiding to 1 to 3 feet after midnight. .MONDAY...Northwest winds 10 to 15 knots. Mostly sunny. Waves 1 to 3 feet. .MONDAY NIGHT...North winds 5 to 15 knots veering east around 5 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...South winds 5 to 10 knots veering southwest in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY...Southwest winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. .THURSDAY...Northwest winds 10 to 20 knots. Mostly sunny. Waves 2 to 4 feet. $$ LMZ844-230800- St Joseph to South Haven MI- 336 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .THROUGH EARLY EVENING...Northwest winds 15 to 25 knots. Sunny. A slight chance of waterspouts. Waves 4 to 6 feet. .TONIGHT...North winds 15 to 20 knots. Mostly clear. Isolated rain showers in the evening. A slight chance of waterspouts through the night. Waves 3 to 5 feet. .SUNDAY...Northwest winds 15 to 25 knots. Sunny. A slight chance of waterspouts. Waves 4 to 6 feet. .SUNDAY NIGHT...North winds 10 to 20 knots decreasing to 5 to 10 knots after midnight. Mostly clear. Waves 4 to 6 feet subsiding to 2 to 4 feet after midnight. .MONDAY...Northwest winds 10 to 15 knots. Mostly sunny. Waves 1 to 3 feet. .MONDAY NIGHT...North winds 5 to 10 knots veering southeast after midnight. Mostly clear. Waves 1 to 2 feet. .TUESDAY...South winds 5 to 10 knots veering southwest early in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY...Southwest winds 10 to 20 knots. Mostly sunny. Waves 1 to 3 feet. .THURSDAY...West winds around 15 knots veering northwest early in the afternoon. Mostly sunny. Waves 2 to 4 feet. $$  762 FZUS53 KIWX 221947 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 347 PM EDT Sat Aug 22 2026 For waters within five nautical miles of shore on Lake Michigan LMZ046-230215- Michigan City IN to New Buffalo MI- 347 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .TONIGHT...Northwest winds 10 to 15 knots becoming north. A slight chance of waterspouts. A slight chance of showers and thunderstorms this evening. Waves 3 to 5 feet diminishing to 2 to 3 feet. .SUNDAY...Northwest winds 10 to 15 knots. A slight chance of waterspouts in the morning. A slight chance of showers in the morning. Waves 2 to 3 feet building to 3 to 5 feet. .SUNDAY NIGHT...North winds 10 knots or less. Mostly clear. Waves 3 to 5 feet subsiding to 2 to 3 feet. .MONDAY...West winds 10 knots or less becoming north. Mostly sunny. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. The water temperature at Michigan City is 71 degrees. $$ LMZ043-230215- New Buffalo MI to St Joseph MI- 347 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .TONIGHT...Northwest winds 10 to 15 knots becoming north. A slight chance of waterspouts. A slight chance of showers and thunderstorms late this evening. Waves 3 to 5 feet diminishing to 2 to 3 feet. .SUNDAY...Northwest winds 10 to 15 knots increasing to 15 to 20 knots. Gusts up to 25 knots. A slight chance of waterspouts in the morning. A slight chance of showers in the morning. Waves 2 to 3 feet building to 3 to 5 feet. .SUNDAY NIGHT...North winds 5 to 15 knots diminishing to less than 10 knots. Mostly clear. Waves 3 to 5 feet subsiding to 2 to 3 feet. .MONDAY...North winds 10 knots or less becoming northwest. Mostly sunny. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. The water temperature at Michigan City is 71 degrees. $$  920 FZUS53 KDLH 221951 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 251 PM CDT Sat Aug 22 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-230400- Grand Portage to Grand Marais MN- 251 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming southwest 5 to 10 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...West wind 5 to 10 knots becoming northwest after midnight. Partly cloudy. Waves 1 foot or less. .MONDAY...North wind 5 knots becoming northeast late in the morning, then becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ141-230400- Grand Marais to Taconite Harbor MN- 251 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southwest wind 5 knots becoming northwest late in the evening, then becoming variable 10 knots or less after midnight. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming south 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ142-230400- Taconite Harbor to Silver Bay Harbor MN- 251 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming northeast late in the morning, then becoming south early in the afternoon becoming southwest late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ143-230400- Silver Bay Harbor to Two Harbors MN- 251 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ144-230400- Two Harbors to Duluth MN- 251 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming east in the late morning and afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ145-230400- Duluth MN to Port Wing WI- 251 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 to 10 knots easing to 5 knots late in the night. Mostly clear. Waves 1 foot or less. .SUNDAY...Northeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots becoming southeast after midnight, then becoming variable 10 knots or less early in the morning. Mostly clear. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ146-230400- Port Wing to Sand Island WI- 251 PM CDT Sat Aug 22 2026 .TONIGHT...Northwest wind 5 to 10 knots becoming north after midnight. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming east early in the afternoon, then becoming variable 10 knots or less late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ147-230400- Sand Island to Bayfield WI- 251 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 to 10 knots becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Southeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ150-230400- Outer Apostle Islands Beyond 5 NM from Mainland- 251 PM CDT Sat Aug 22 2026 .TONIGHT...Northwest wind 5 to 10 knots becoming north after midnight. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 to 10 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...South wind 5 knots becoming west after midnight. Mostly clear. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ121-230400- Chequamegon Bay-Bayfield to Oak Point WI- 251 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 to 10 knots becoming northeast in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ148-230400- Oak Point to Saxon Harbor WI- 251 PM CDT Sat Aug 22 2026 .TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SUNDAY...North wind 5 to 10 knots becoming east late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...East wind 5 knots becoming southwest after midnight. Mostly clear. Waves 1 foot or less. .MONDAY...Southwest wind 5 knots early in the morning becoming variable 10 knots or less, then becoming northeast 5 knots in the afternoon. Sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  219 FZUS53 KAPX 221957 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 357 PM EDT Sat Aug 22 2026 For waters within five nautical miles of shore on Lakes Huron... Michigan and Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ321-230400- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 10 to 20 knots with gusts to 25 knots. Partly cloudy early in the evening then becoming mostly cloudy. Waves 3 to 5 feet building to 4 to 6 feet after midnight. .SUNDAY...Northwest wind 15 to 25 knots with gusts to 30 knots. Slight chance of waterspouts. Scattered showers. Waves 4 to 7 feet. .SUNDAY NIGHT...Northwest wind 15 to 25 knots. Partly cloudy. Waves 4 to 7 feet. .MONDAY...Northwest wind 10 to 20 knots. Sunny. Waves 4 to 6 feet. See the open lakes forecast for days 3 through 5. $$ LSZ322-230400- St. Marys River Point Iroquois to E. Potagannissing Bay- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 10 to 20 knots with gusts to 25 knots. Partly cloudy. .SUNDAY...Northwest wind 15 to 25 knots with gusts to 30 knots. Scattered showers. .SUNDAY NIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. .MONDAY...Northwest wind 10 to 20 knots. Mostly sunny. See the open lakes forecast for days 3 through 5. $$ LMZ341-230400- Seul Choix Point to 5NM West of Mackinac Bridge- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 10 to 20 knots with gusts to 25 knots. Mostly clear. Waves 2 to 3 feet. .SUNDAY...Northwest wind 10 to 20 knots with gusts to 30 knots. Scattered showers. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear. Waves 2 to 4 feet. .MONDAY...Northwest wind 10 to 20 knots. Sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LMZ342-230400- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 10 to 20 knots with gusts to 25 knots. Slight chance of waterspouts through the night. Isolated showers through the night. Waves 3 to 5 feet. .SUNDAY...Northwest wind 15 to 25 knots with gusts to 30 knots. Slight chance of waterspouts. Scattered showers. Waves 4 to 6 feet. .SUNDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 20 knots. Sunny. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ LMZ323-230400- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 10 to 20 knots with gusts to 25 knots. Slight chance of waterspouts. Isolated showers. Waves 3 to 5 feet. .SUNDAY...Northwest wind 10 to 20 knots with gusts to 30 knots. Slight chance of waterspouts. Scattered showers. Waves 3 to 5 feet. .SUNDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ LMZ345-230400- Point Betsie to Sleeping Bear Point MI- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH SUNDAY EVENING... .TONIGHT...Northwest wind 10 to 20 knots with gusts to 25 knots. Slight chance of waterspouts. Isolated showers. Waves 3 to 5 feet. .SUNDAY...North wind 10 to 20 knots with gusts to 30 knots. Slight chance of waterspouts. Scattered showers. Waves 3 to 5 feet. .SUNDAY NIGHT...North wind 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LMZ344-230400- Sleeping Bear Point to Grand Traverse Light MI- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 10 to 20 knots with gusts to 25 knots. Slight chance of waterspouts. Isolated showers. Waves 3 to 5 feet. .SUNDAY...Northwest wind 15 to 25 knots with gusts to 30 knots. Slight chance of waterspouts. Scattered showers. Waves 4 to 6 feet. .SUNDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ LMZ346-230400- Manistee to Point Betsie MI- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH SUNDAY EVENING... .TONIGHT...Northwest wind 10 to 20 knots with gusts to 25 knots. Slight chance of waterspouts through the night. Isolated thunderstorms early in the evening. Isolated showers through the night. Waves 3 to 5 feet. .SUNDAY...North wind 10 to 20 knots with gusts to 30 knots. Slight chance of waterspouts. Scattered showers. Waves 3 to 5 feet. .SUNDAY NIGHT...North wind 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet. .MONDAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ345-230400- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 15 to 20 knots with gusts to 25 knots. Isolated showers early in the evening. Waves 2 to 3 feet. .SUNDAY...Northwest wind 10 to 20 knots with gusts to 30 knots. Slight chance of waterspouts. Scattered showers. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy. Waves 2 to 4 feet. .MONDAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LHZ346-230400- St Ignace to False Detour Channel- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .TONIGHT...Northwest wind 15 to 20 knots with gusts to 25 knots. Partly cloudy. Waves 2 to 3 feet. .SUNDAY...Northwest wind 15 to 25 knots with gusts to 30 knots. Slight chance of waterspouts. Scattered showers. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. .MONDAY...Northwest wind 10 to 20 knots. Sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LHZ347-230400- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .TONIGHT...Northwest wind 15 to 20 knots. Slight chance of waterspouts. Isolated showers. Waves 4 to 6 feet. .SUNDAY...Northwest wind 15 to 25 knots with gusts to around 30 knots. Slight chance of waterspouts. Scattered showers. Waves 5 to 8 feet. .SUNDAY NIGHT...Northwest wind 15 to 25 knots with gusts to around 30 knots. Mostly cloudy. Waves 5 to 8 feet. .MONDAY...Northwest wind 15 to 25 knots. Mostly sunny. Waves 4 to 7 feet. See the open lakes forecast for days 3 through 5. $$ LHZ348-230400- Presque Isle Light to Sturgeon Pt MI Including ThunderBay National Marine Sanctuary- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .TONIGHT...Northwest wind 15 to 25 knots with gusts to 30 knots. Slight chance of waterspouts early in the evening. Isolated showers and thunderstorms early in the evening. Waves 4 to 6 feet. .SUNDAY...Northwest wind 15 to 25 knots with gusts to around 30 knots. Slight chance of waterspouts. Scattered showers. Waves 5 to 8 feet. .SUNDAY NIGHT...Northwest wind 15 to 25 knots with gusts to around 30 knots. Chance of showers. Waves 5 to 8 feet. .MONDAY...Northwest wind 15 to 25 knots. Mostly sunny. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-230400- Sturgeon Pt to Alabaster MI- 357 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .TONIGHT...Northwest wind 15 to 25 knots with gusts to 30 knots. Slight chance of waterspouts early in the evening. Scattered showers and isolated thunderstorms early in the evening. Waves 2 to 4 feet. .SUNDAY...Northwest wind 10 to 20 knots with gusts to 30 knots. Slight chance of waterspouts. Scattered showers. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. .MONDAY...Northwest wind 10 to 20 knots. Mostly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ DJC  287 FZUS53 KDTX 221959 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 359 PM EDT Sat Aug 22 2026 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LHZ422-230400- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 359 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE SUNDAY NIGHT... .TONIGHT...Northwest winds 10 to 15 knots increasing to 20 to 25 knots. Partly cloudy. A chance of showers and a slight chance of thunderstorms in the evening. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .SUNDAY...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Partly cloudy. A slight chance of showers early in the afternoon. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots after midnight. Mostly clear. Waves 2 to 4 feet. .MONDAY...Northwest winds 15 to 20 knots. Mostly sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-230400- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 359 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH MONDAY MORNING... .TONIGHT...North winds 10 to 15 knots becoming northwest 20 to 25 knots. Mostly cloudy with showers likely and a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Waves 2 feet or less building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .SUNDAY...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Partly cloudy. A chance of showers and a slight chance of thunderstorms early in the afternoon. Waves 4 to 6 feet. Waves occasionally around 7 feet. .SUNDAY NIGHT...Northwest winds 20 to 25 knots. Mostly cloudy early in the evening becoming partly cloudy. Waves 4 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Northwest winds 20 to 25 knots diminishing to 10 to 15 knots. Mostly sunny. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-230400- Port Austin to Harbor Beach MI- 359 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH MONDAY MORNING... .TONIGHT...Northwest winds 10 to 15 knots increasing to 20 to 25 knots. Mostly cloudy. A chance of waterspouts in the evening. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Waves 1 to 3 feet building to 5 to 7 feet. Waves occasionally around 10 feet. .SUNDAY...Northwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots early in the afternoon. Mostly cloudy. A slight chance of thunderstorms early in the morning. A slight chance of showers until late afternoon, then a chance of showers and a slight chance of thunderstorms early in the afternoon. Waves 6 to 9 feet. Waves occasionally around 12 feet. .SUNDAY NIGHT...Northwest winds 20 to 25 knots. Mostly cloudy. A chance of showers until early morning. Waves 6 to 9 feet. Waves occasionally around 12 feet. .MONDAY...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Partly cloudy. Waves 5 to 7 feet. Waves occasionally around 10 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-230400- Harbor Beach to Port Sanilac MI- 359 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH MONDAY MORNING... .TONIGHT...Northwest winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Mostly cloudy. A chance of waterspouts in the evening. Light showers and thunderstorms likely in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. .SUNDAY...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Mostly cloudy with a slight chance of showers and thunderstorms until late afternoon, then partly cloudy with a chance of showers and thunderstorms early in the afternoon. Waves 4 to 6 feet. Waves occasionally around 7 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots. Partly cloudy. A chance of showers and thunderstorms early in the evening. Waves 4 to 6 feet. Waves occasionally around 7 feet. .MONDAY...Northwest winds 15 to 20 knots. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-230400- Port Sanilac to Port Huron MI- 359 PM EDT Sat Aug 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH MONDAY MORNING... .TONIGHT...Northwest winds 10 to 15 knots increasing to 15 to 20 knots after midnight. A slight chance of waterspouts in the evening. Light showers with thunderstorms likely in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .SUNDAY...Northwest winds 15 to 20 knots. Mostly cloudy until late afternoon becoming partly cloudy. A slight chance of showers and thunderstorms in the late morning and early afternoon. A chance of showers and thunderstorms early in the afternoon. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots. Partly cloudy. A chance of showers and thunderstorms early in the evening. Waves 2 to 4 feet. .MONDAY...Northwest winds 15 to 20 knots. Mostly sunny early in the morning becoming partly cloudy. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-230400- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 359 PM EDT Sat Aug 22 2026 .TONIGHT...Northwest winds 10 to 15 knots increasing to 15 to 20 knots early in the morning. Partly cloudy. A chance of thunderstorms and a slight chance of showers in the evening. A slight chance of waterspouts in the evening. Waves 2 feet or less. .SUNDAY...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots early in the afternoon. Mostly sunny until late afternoon, then partly cloudy with a slight chance of showers early in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...Northwest winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .MONDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 73 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes