165 FZUS53 KAPX 201802 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 202 PM EDT Wed May 20 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. LSZ321-210215- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 202 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... .TONIGHT...North wind 10 to 15 knots with gusts up to 25 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 2 to 3 feet subsiding to 2 feet or less after midnight. .THURSDAY...Light winds. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...Light winds. Mostly clear. Waves 2 feet or less. .FRIDAY...Southeast wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LSZ322-210215- St. Marys River Point Iroquois to E. Potagannissing Bay- 202 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... .TONIGHT...Northwest wind 10 to 15 knots with gusts up to 25 knots early in the evening becoming variable 10 knots or less. Clear. .THURSDAY...Light winds. Mostly sunny. .THURSDAY NIGHT...Light winds. Partly cloudy. .FRIDAY...East wind 10 to 15 knots. Mostly sunny. See the open lakes forecast for days 3 through 5. $$ LMZ341-210215- Seul Choix Point to 5NM West of Mackinac Bridge- 202 PM EDT Wed May 20 2026 .TONIGHT...North wind 5 to 10 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 2 feet or less. .THURSDAY...East wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...East wind 15 to 20 knots. Partly sunny. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ LMZ342-210215- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 202 PM EDT Wed May 20 2026 .TONIGHT...North wind 5 to 10 knots becoming northeast after midnight. Mostly clear. Waves 2 feet or less. .THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...East wind 15 to 20 knots. Partly sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LMZ323-210215- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 202 PM EDT Wed May 20 2026 .TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...East wind 10 to 15 knots. Partly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ344-345-210215- Sleeping Bear Point to Grand Traverse Light MI- Point Betsie to Sleeping Bear Point MI- 202 PM EDT Wed May 20 2026 .TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...East wind 10 to 15 knots. Partly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ346-210215- Manistee to Point Betsie MI- 202 PM EDT Wed May 20 2026 .TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .THURSDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Mostly cloudy. Waves 2 feet or less. .FRIDAY...East wind 10 to 15 knots. Partly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ345-210215- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 202 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... .TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. .THURSDAY...East wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...East wind 10 to 20 knots. Mostly sunny. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ LHZ346-210215- St Ignace to False Detour Channel- 202 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... .TONIGHT...Northwest wind 10 to 15 knots with gusts up to 25 knots becoming northeast 5 to 10 knots early in the morning. Mostly clear. Waves 2 feet or less. .THURSDAY...Southeast wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...East wind 15 to 20 knots. Mostly sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LHZ347-210215- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 202 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... .TONIGHT...Northwest wind 10 to 15 knots with gusts up to 25 knots becoming northeast 5 to 10 knots early in the morning. Mostly clear. Waves 2 to 4 feet subsiding to 2 feet or less after midnight. .THURSDAY...East wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...East wind 10 to 15 knots. Mostly sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5. $$ LHZ348-210215- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 202 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING... .TONIGHT...North wind 10 to 20 knots with gusts up to 25 knots becoming northeast 10 to 15 knots early in the morning. Mostly clear. Waves 2 to 4 feet subsiding to 2 to 3 feet after midnight. .THURSDAY...East wind 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...East wind 10 to 20 knots. Mostly sunny. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ LHZ349-210215- Sturgeon Pt to Alabaster MI- 202 PM EDT Wed May 20 2026 .TONIGHT...North wind 10 to 15 knots. Mostly clear. Waves 2 to 3 feet. .THURSDAY...Northeast wind 15 to 20 knots. Mostly sunny. Waves 2 to 3 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less. .FRIDAY...East wind 10 to 20 knots. Partly sunny. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ ELD  323 FZUS53 KGRB 201806 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 106 PM CDT Wed May 20 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-202200- 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- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 106 PM CDT Wed May 20 2026 .THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny. .TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Mostly clear. .THURSDAY...NE wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .THURSDAY NIGHT...E wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ541-202200- Rock Island Passage to Sturgeon Bay WI- 106 PM CDT Wed May 20 2026 .THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny. .TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Mostly clear. .THURSDAY...NE wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .THURSDAY NIGHT...E wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ542-543-202200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 106 PM CDT Wed May 20 2026 .THIS AFTERNOON...E wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. .TONIGHT...NE wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .THURSDAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy in the morning then becoming mostly cloudy. .THURSDAY NIGHT...NE wind 10 to 15 kts veering E after midnight. Waves 1 to 3 ft. Mostly cloudy. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday. Wave height forecast is for ice free areas.  718 FZUS53 KMKX 201810 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 110 PM CDT Wed May 20 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-202200- Sheboygan to Port Washington WI- 110 PM CDT Wed May 20 2026 .REST OF TODAY...Northeast wind 10 to 15 knots. Sunny. Waves 1 to 3 feet. .TONIGHT...Northeast wind 10 to 15 knots rising to 15 to 20 knots after midnight, then easing to 10 to 15 knots early in the morning. Partly cloudy. Waves 2 to 4 feet. .THURSDAY...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then becoming northeast 10 to 15 knots in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .THURSDAY NIGHT...Northeast wind 10 to 15 knots becoming east 15 to 20 knots after midnight, then easing to 10 to 15 knots early in the morning. Mostly cloudy. Waves 2 to 4 feet. $$ LMZ644-202200- Port Washington to North Point Light WI- 110 PM CDT Wed May 20 2026 .REST OF TODAY...Northeast wind 10 to 15 knots. Sunny. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. .TONIGHT...Northeast wind 10 to 15 knots rising to 15 to 20 knots late in the evening, then becoming northeast 15 to 20 knots after midnight. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then becoming northeast 10 to 15 knots in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves 3 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .THURSDAY NIGHT...Northeast wind 15 to 20 knots veering east after midnight, then becoming 10 to 20 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 3 to 4 feet. $$ LMZ645-202200- North Point Light to Wind Point WI- 110 PM CDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .REST OF TODAY...Northeast wind 10 to 15 knots rising to 15 to 20 knots late in the afternoon. Sunny. Waves 2 to 4 feet. .TONIGHT...Northeast wind 15 to 20 knots becoming 10 to 20 knots early in the morning. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 15 to 20 knots easing to 10 to 15 knots early in the afternoon, then becoming northeast 10 to 15 knots late in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves 3 to 4 feet. .THURSDAY NIGHT...Northeast wind 15 to 20 knots veering east 10 to 20 knots after midnight, then becoming 15 to 20 knots early in the morning. Partly cloudy. Waves 3 to 4 feet. $$ LMZ646-202200- Wind Point WI to Winthrop Harbor IL- 110 PM CDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .REST OF TODAY...Northeast wind 10 to 15 knots rising to 15 to 20 knots late in the afternoon. Sunny. Waves 2 to 4 feet. .TONIGHT...Northeast wind 15 to 20 knots becoming 10 to 20 knots early in the morning. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then becoming northeast 10 to 15 knots early in the afternoon becoming northeast 10 to 15 knots with gusts to around 20 knots late in the afternoon. Partly sunny. Waves 3 to 4 feet. .THURSDAY NIGHT...North wind 15 to 20 knots veering east after midnight. Partly cloudy. Waves 3 to 4 feet. $$ See Lake Michigan Open Waters Forecast for Friday through Sunday.  372 FZUS53 KDLH 201822 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 122 PM CDT Wed May 20 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-202200- Grand Portage to Grand Marais MN- 122 PM CDT Wed May 20 2026 .REST OF TODAY...South wind 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots becoming west 5 knots after midnight. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Southeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. $$ LSZ141-202200- Grand Marais to Taconite Harbor MN- 122 PM CDT Wed May 20 2026 .REST OF TODAY...South wind 5 knots. Partly sunny early in the afternoon then clearing. Waves 1 foot or less. .TONIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. $$ LSZ142-202200- Taconite Harbor to Silver Bay Harbor MN- 122 PM CDT Wed May 20 2026 .REST OF TODAY...South wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ143-202200- Silver Bay Harbor to Two Harbors MN- 122 PM CDT Wed May 20 2026 .REST OF TODAY...Southeast wind 5 knots. Partly sunny early in the afternoon then clearing. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ144-202200- Two Harbors to Duluth MN- 122 PM CDT Wed May 20 2026 .REST OF TODAY...Southeast wind 5 knots becoming east late. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. $$ LSZ145-202200- Duluth MN to Port Wing WI- 122 PM CDT Wed May 20 2026 .REST OF TODAY...East wind 5 knots. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. $$ LSZ146-202200- Port Wing to Sand Island WI- 122 PM CDT Wed May 20 2026 .REST OF TODAY...Southeast wind 5 knots. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ147-202200- Sand Island to Bayfield WI- 122 PM CDT Wed May 20 2026 .REST OF TODAY...Southeast wind 5 knots. Sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming east in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming north early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ150-202200- Outer Apostle Islands Beyond 5 NM from Mainland- 122 PM CDT Wed May 20 2026 .REST OF TODAY...Southeast wind 5 knots. Sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming southeast after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. $$ LSZ121-202200- Chequamegon Bay-Bayfield to Oak Point WI- 122 PM CDT Wed May 20 2026 .REST OF TODAY...East wind 5 knots. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. $$ LSZ148-202200- Oak Point to Saxon Harbor WI- 122 PM CDT Wed May 20 2026 .REST OF TODAY...East wind 5 knots. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  468 FZUS53 KGRR 201823 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 223 PM EDT Wed May 20 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-210800- Pentwater to Manistee MI- 223 PM EDT Wed May 20 2026 .THROUGH EARLY EVENING...North winds 15 to 20 knots. Sunny. Waves 2 to 4 feet. .TONIGHT...Northeast winds 10 to 20 knots. Partly cloudy. Waves 2 to 3 feet. .THURSDAY...Northeast winds 5 to 15 knots backing north 10 to 20 knots early in the afternoon. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...North winds 10 to 15 knots veering east in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .FRIDAY...East winds 10 to 20 knots. Partly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...East winds 15 to 25 knots. Cloudy with rain showers. Waves 1 to 3 feet. .SATURDAY...East winds 10 to 20 knots backing northeast early in the afternoon. Rain showers. Waves 1 to 2 feet. .SUNDAY...Southwest winds 5 to 15 knots. Mostly cloudy. Waves 1 foot or less. .MEMORIAL DAY...Southwest winds 5 to 15 knots. Mostly sunny. Waves 1 foot or less. $$ LMZ848-210800- Whitehall to Pentwater MI- 223 PM EDT Wed May 20 2026 .THROUGH EARLY EVENING...North winds 20 to 25 knots. Sunny. Waves 2 to 4 feet. .TONIGHT...North winds 15 to 25 knots veering northeast 10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Northeast winds 10 to 20 knots backing north early in the afternoon. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...North winds 10 to 20 knots veering east in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .FRIDAY...East winds 15 to 20 knots. Partly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...East winds 20 to 25 knots. Rain showers. Waves 1 to 3 feet. .SATURDAY...East winds 15 to 20 knots backing north early in the afternoon. Mostly cloudy with rain showers. Waves 1 to 2 feet. .SUNDAY...South winds 5 to 10 knots veering southwest early in the afternoon. Mostly cloudy. Waves 1 foot or less. .MEMORIAL DAY...Northeast winds 5 to 10 knots backing southwest 10 to 15 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LMZ847-210800- Grand Haven to Whitehall MI- 223 PM EDT Wed May 20 2026 .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Sunny. Waves 3 to 5 feet. .TONIGHT...North winds 15 to 25 knots veering northeast in the late evening and overnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Northeast winds 10 to 15 knots backing north early in the afternoon. Mostly sunny. Waves around 1 foot. .THURSDAY NIGHT...East winds 15 to 20 knots. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...East winds 15 to 25 knots. Partly sunny. Waves 1 to 3 feet. .FRIDAY NIGHT...East winds to 30 knots. Rain showers. Waves 1 to 3 feet. .SATURDAY...East winds 15 to 25 knots backing north around 15 knots early in the afternoon. Mostly cloudy with rain showers. Waves 1 to 2 feet. .SUNDAY...South winds 5 to 10 knots veering southwest in the late morning and afternoon. Mostly cloudy. Waves less than 1 foot. .MEMORIAL DAY...North winds 5 to 10 knots backing west in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LMZ846-210800- Holland to Grand Haven MI- 223 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Sunny. Waves 3 to 5 feet. .TONIGHT...North winds 15 to 25 knots veering northeast in the late evening and overnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet after midnight. .THURSDAY...Northeast winds 10 to 20 knots. Mostly sunny. Waves around 1 foot. .THURSDAY NIGHT...East winds 15 to 20 knots. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...East winds 15 to 25 knots. Partly sunny. Waves 1 to 3 feet. .FRIDAY NIGHT...East winds to 30 knots. Rain showers. Waves 2 to 3 feet. .SATURDAY...East winds 15 to 20 knots backing west 10 to 15 knots early in the afternoon. Mostly cloudy with rain showers. Waves 1 to 3 feet. .SUNDAY...South winds 5 to 10 knots veering southwest in the late morning and afternoon. Mostly cloudy. Waves less than 1 foot. .MEMORIAL DAY...North winds 5 to 10 knots backing west in the late morning and afternoon. Mostly sunny. Waves less than 1 foot. $$ LMZ845-210800- South Haven to Holland MI- 223 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .THROUGH EARLY EVENING...North winds 20 to 25 knots. Sunny. Waves 4 to 6 feet. .TONIGHT...North winds 15 to 25 knots veering northeast after midnight. Partly cloudy. Waves 4 to 6 feet subsiding to 2 to 3 feet after midnight. .THURSDAY...East winds 10 to 15 knots backing northeast early in the afternoon. Mostly sunny. Waves around 1 foot. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Partly cloudy. Waves around 1 foot. .FRIDAY...East winds 15 to 20 knots. Partly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...East winds 15 to 25 knots. Rain showers. Waves 1 to 2 feet. .SATURDAY...East winds 15 to 20 knots veering west 10 to 15 knots early in the afternoon. Mostly cloudy with rain showers. Waves around 1 foot. .SUNDAY...Southeast winds 5 to 10 knots veering west early in the afternoon. Mostly cloudy. Waves 1 foot or less. .MEMORIAL DAY...Northeast winds around 5 knots backing northwest in the late morning and afternoon. Mostly sunny. Waves less than 1 foot. $$ LMZ844-210800- St Joseph to South Haven MI- 223 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .THROUGH EARLY EVENING...North winds 20 to 25 knots. Mostly sunny. Waves 4 to 6 feet. .TONIGHT...North winds 15 to 25 knots veering northeast 10 to 20 knots after midnight. Partly cloudy. Waves 4 to 6 feet. .THURSDAY...East winds 10 to 15 knots backing north early in the afternoon. Mostly sunny. Waves 1 to 3 feet. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...East winds 15 to 20 knots. Partly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...East winds 15 to 20 knots. Rain showers. Waves 1 to 3 feet. .SATURDAY...East winds 10 to 15 knots veering west early in the afternoon. Mostly cloudy with a chance of rain showers. Waves around 1 foot. .SUNDAY...South winds 5 to 10 knots veering west early in the afternoon. Mostly cloudy. Waves 1 foot or less. .MEMORIAL DAY...Northeast winds around 5 knots backing northwest early in the afternoon. Partly sunny. Waves less than 1 foot. $$  111 FZUS53 KGRB 201831 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 131 PM CDT Wed May 20 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-202200- 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- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 131 PM CDT Wed May 20 2026 .THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny. .TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Mostly clear. .THURSDAY...NE wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .THURSDAY NIGHT...E wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ541-202200- Rock Island Passage to Sturgeon Bay WI- 131 PM CDT Wed May 20 2026 .THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny. .TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Mostly clear. .THURSDAY...NE wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .THURSDAY NIGHT...NE wind 10 to 15 kts veering E in the late evening and overnight. Waves 1 to 3 ft. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ542-543-202200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 131 PM CDT Wed May 20 2026 .THIS AFTERNOON...E wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. .TONIGHT...NE wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .THURSDAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy in the morning then becoming mostly cloudy. .THURSDAY NIGHT...NE wind 10 to 15 kts veering E in the late evening and overnight. Waves 1 to 3 ft. Mostly cloudy. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday. Wave height forecast is for ice free areas.  529 FZUS53 KGRB 201856 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 156 PM CDT Wed May 20 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-202200- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 156 PM CDT Wed May 20 2026 .THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny. .TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Mostly clear. .THURSDAY...NE wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .THURSDAY NIGHT...E wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ541-202200- Rock Island Passage to Sturgeon Bay WI- 156 PM CDT Wed May 20 2026 .THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny. .TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Mostly clear. .THURSDAY...NE wind 10 to 15 kts. Waves 2 ft or less. Partly sunny. .THURSDAY NIGHT...NE wind 10 to 15 kts veering E in the late evening and overnight. Waves 1 to 3 ft. Partly cloudy in the evening then becoming mostly cloudy. $$ LMZ542-543-202200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 156 PM CDT Wed May 20 2026 .THIS AFTERNOON...E wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. .TONIGHT...NE wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .THURSDAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy in the morning then becoming mostly cloudy. .THURSDAY NIGHT...NE wind 10 to 15 kts veering E in the late evening and overnight. Waves 1 to 3 ft. Mostly cloudy. $$ See Lake Michigan Open Lake Forecast for Friday through Sunday. Wave height forecast is for ice free areas.