170 FZUS53 KMQT 240301 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 1100 PM EDT Sun Aug 23 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. LMZ221-240800- Green Bay North of line from Cedar River MI to Rock Island Passage- 1100 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT MONDAY... .REST OF TONIGHT...Northwest wind 15 to 20 knots. Clear. Waves 2 to 3 feet. .MONDAY...Northwest wind 10 to 20 knots veering north 10 to 15 knots late. Sunny. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...North wind less than 10 knots. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...South wind less than 10 knots increasing to 10 to 15 knots in the afternoon. Mostly sunny. Waves building to 1 to 2 feet. $$ LMZ250-240800- 5NM East of a line from Fairport MI to Rock Island Passage- 1100 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT MONDAY... .REST OF TONIGHT...Northwest wind 15 to 20 knots. Clear. Waves 2 to 3 feet. .MONDAY...Northwest wind 10 to 20 knots veering north 10 to 15 knots late. Sunny. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...North wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. .TUESDAY...South wind less than 10 knots increasing to 10 to 15 knots in the afternoon. Mostly sunny. Waves building to 1 to 2 feet. $$ LMZ248-240800- Seul Choix Point to Point Detour MI- 1100 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT MONDAY... .REST OF TONIGHT...Northwest wind 15 to 20 knots. Clear. Waves 1 to 2 feet building to 2 to 3 feet, then subsiding to 1 to 2 feet. .MONDAY...Northwest wind 10 to 20 knots. Sunny. Waves 1 to 2 feet. .MONDAY NIGHT...North wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TUESDAY...Southwest wind less than 10 knots backing south 10 to 15 knots in the afternoon. Mostly sunny. Waves building to 1 to 2 feet. $$ LSZ240-241-240800- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 1100 PM EDT Sun Aug 23 2026 /1000 PM CDT Sun Aug 23 2026/ .REST OF TONIGHT...Southwest wind less than 10 knots veering west late. Clear. Waves calm to 1 foot. .MONDAY...West wind less than 10 knots through mid morning becoming variable. Sunny. Waves calm to 1 foot. .MONDAY NIGHT...Variable wind less than 10 knots becoming south less than 10 knots after midnight. Partly cloudy. Waves calm to 1 foot. .TUESDAY...South wind less than 10 knots. Partly cloudy. Showers likely and a chance of thunderstorms in the afternoon. Waves calm to 1 foot. $$ LSZ242-243-240800- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1100 PM EDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind less than 10 knots. Clear. Waves 1 to 2 feet. .MONDAY...North wind less than 10 knots through early afternoon becoming variable. Sunny. Waves building to 1 to 2 feet. .MONDAY NIGHT...Variable wind less than 10 knots becoming south less than 10 knots after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves calm to 1 foot. .TUESDAY...South wind less than 10 knots backing southeast in the afternoon. Partly cloudy. A chance of showers and thunderstorms in the afternoon. Waves calm to 1 foot. $$ LSZ244-245-240800- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1100 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT MONDAY... .REST OF TONIGHT...Northwest wind 10 to 15 knots with gusts up to 24 knots. Clear. Waves 2 to 3 feet subsiding to 1 to 2 feet. .MONDAY...North wind 10 to 15 knots backing northwest less than 10 knots late. Sunny. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .MONDAY NIGHT...Variable wind less than 10 knots. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...South wind less than 10 knots backing southeast 10 to 15 knots in the afternoon. Partly cloudy. A chance of showers and a slight chance of thunderstorms in the afternoon. Waves building to 1 to 2 feet. $$ LSZ246-240800- Point Isabelle to Lower Entrance of Portage Canal MI- 1100 PM EDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind less than 10 knots with gusts up to 19 knots. Clear. Waves calm to 1 foot. .MONDAY...Northwest wind less than 10 knots. Sunny. Waves calm to 1 foot. .MONDAY NIGHT...Variable wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. .TUESDAY...South wind less than 10 knots backing southeast 5 to 15 knots in the afternoon. Partly cloudy. A chance of showers and a slight chance of thunderstorms in the afternoon. Waves building to 1 to 2 feet. $$ LSZ247-240800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1100 PM EDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 10 to 15 knots. Clear. Waves 1 to 2 feet. .MONDAY...Northwest wind less than 10 knots veering north late. Sunny. Waves calm to 1 foot. .MONDAY NIGHT...Variable wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. .TUESDAY...Variable wind less than 10 knots becoming southeast 5 to 15 knots in the afternoon. Mostly sunny. A chance of showers and a slight chance of thunderstorms in the afternoon. Waves building to 1 to 2 feet. $$ LSZ248-240800- Huron Islands to Marquette MI- 1100 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT MONDAY... .REST OF TONIGHT...Northwest wind 10 to 20 knots. Clear. Waves 2 to 4 feet. .MONDAY...Northwest wind 10 to 20 knots. Sunny. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...West wind less than 10 knots in the evening becoming variable. Partly cloudy. Waves 1 to 2 feet. .TUESDAY...South wind less than 10 knots backing southeast 10 to 15 knots in the afternoon. Mostly sunny. A chance of showers and a slight chance of thunderstorms in the afternoon. Waves building to 1 to 2 feet. $$ LSZ249-240800- Marquette to Munising MI- 1100 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 15 to 20 knots with gusts up to 28 knots. Clear. Waves 3 to 6 feet occasionally to 8 feet subsiding to 3 to 5 feet occasionally to 7 feet. .MONDAY...North wind 10 to 20 knots. Sunny. Waves subsiding to 2 to 3 feet. .MONDAY NIGHT...Northwest wind less than 10 knots in the evening becoming variable. Mostly clear. Waves subsiding to 1 to 2 feet. .TUESDAY...South wind less than 10 knots backing southeast 5 to 15 knots in the afternoon. Mostly sunny. A slight chance of showers in the afternoon. Waves calm to 1 foot. $$ LSZ250-240800- Munising to Grand Marais MI- 1100 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TONIGHT...Northwest wind 15 to 20 knots with gusts up to 28 knots. Mostly clear. Waves 3 to 6 feet occasionally to 8 feet. .MONDAY...Northwest wind 10 to 20 knots. Mostly sunny. Waves subsiding to 2 to 4 feet. .MONDAY NIGHT...Northwest wind less than 10 knots backing west after midnight. Mostly clear. Waves subsiding to 1 to 2 feet. .TUESDAY...Variable wind less than 10 knots becoming southeast less than 10 knots in the afternoon. Gusts up to 17 knots. Mostly sunny. A slight chance of showers in the afternoon. Waves calm to 1 foot. $$ LSZ251-240800- Grand Marais to Whitefish Point MI- 1100 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .REST OF TONIGHT...Northwest wind 20 to 25 knots. Mostly cloudy. A slight chance of showers by midnight. Waves 4 to 7 feet occasionally to 9 feet subsiding to 3 to 6 feet occasionally to 8 feet. .MONDAY...Northwest wind 15 to 20 knots becoming 10 to 20 knots late. Partly cloudy. Waves subsiding to 2 to 4 feet. .MONDAY NIGHT...Northwest wind 5 to 15 knots. Mostly clear. Waves subsiding to 1 to 2 feet. .TUESDAY...Variable wind less than 10 knots becoming east less than 10 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. $$ WFO MQT  421 FZUS53 KGRB 240306 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1006 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-241000- 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- 1006 PM CDT Sun Aug 23 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION FROM THIS EVENING THROUGH MONDAY MORNING... .REST OF TONIGHT...NW wind 10 to 15 kts. Waves 2 to 4 ft. Clear. .MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 1 to 3 ft. Mostly sunny. .MONDAY NIGHT...E wind 5 to 10 kts veering SE after midnight. Waves 2 ft or less. Partly cloudy. .TUESDAY...S wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ LMZ541>543-241000- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1006 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. Clear. .MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. .MONDAY NIGHT...E wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Partly cloudy. .TUESDAY...S wind 10 to 15 kts. Waves 2 ft or less building to 2 to 4 ft in the afternoon. Mostly sunny. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday.  167 FZUS53 KDLH 240321 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1021 PM CDT Sun Aug 23 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. LSZ140-241000- Grand Portage to Grand Marais MN- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .MONDAY...North wind 5 to 10 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. .TUESDAY...Southeast wind 5 knots. Slight chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ141-241000- Grand Marais to Taconite Harbor MN- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...North wind 5 knots early in the morning becoming variable 10 knots or less, then becoming southwest 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. .TUESDAY...Northeast wind 5 knots becoming southeast in the late morning and afternoon. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ142-241000- Taconite Harbor to Silver Bay Harbor MN- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northwest wind 5 knots in the late evening and early morning 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. .MONDAY NIGHT...Variable winds 10 knots or less. Slight chance of rain showers after midnight. Waves 1 foot or less. .TUESDAY...Variable winds 10 knots or less becoming southeast 5 knots in the late morning and afternoon. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ143-241000- Silver Bay Harbor to Two Harbors MN- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...North wind 5 knots late in the evening becoming variable 10 knots or less. Partly cloudy in the late evening and early morning then becoming mostly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Partly sunny. Waves 1 foot or less. .MONDAY NIGHT...Northeast wind 5 knots. Slight chance of rain showers after midnight. Waves 1 foot or less. .TUESDAY...Variable winds 10 knots or less becoming southeast 5 knots in the late morning and afternoon. Chance of rain showers and slight chance of thunderstorms in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ144-241000- Two Harbors to Duluth MN- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Northeast wind 5 knots in the late evening and early morning becoming variable 10 knots or less. Partly cloudy in the late evening and early morning then becoming mostly cloudy. 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. .MONDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers after midnight. Waves 1 foot or less. .TUESDAY...East wind 5 knots becoming south in the late morning and afternoon. Chance of rain showers and slight chance of thunderstorms in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ145-241000- Duluth MN to Port Wing WI- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...East wind 5 to 10 knots becoming south after midnight, then becoming variable 10 knots or less toward daybreak. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...East wind 5 to 10 knots. Slight chance of rain showers after midnight. Waves 1 foot or less. .TUESDAY...South wind 5 knots becoming southwest in the afternoon. Chance of rain showers and slight chance of thunderstorms in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ146-241000- Port Wing to Sand Island WI- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Southeast wind 5 knots becoming northwest after midnight, then becoming variable 10 knots or less toward daybreak. Partly cloudy. 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. .MONDAY NIGHT...East wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...South wind 5 knots becoming northeast late in the afternoon. Slight chance of showers and thunderstorms in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ147-241000- Sand Island to Bayfield WI- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...South wind 5 knots late in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 knots early in the afternoon, then becoming east late in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Southeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...South wind 5 knots becoming east late in the afternoon. Slight chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ150-241000- Outer Apostle Islands Beyond 5 NM from Mainland- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...South wind 5 knots becoming northwest after midnight. Mostly clear. Waves 1 foot or less. .MONDAY...North wind 5 knots becoming southeast late in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Southeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...South wind 5 knots becoming southeast late in the afternoon. Slight chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ121-241000- Chequamegon Bay-Bayfield to Oak Point WI- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...East wind 5 knots in the evening becoming variable 10 knots or less, then becoming south 5 knots early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...South wind 5 to 10 knots. Slight chance of rain showers in the morning. Rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ148-241000- Oak Point to Saxon Harbor WI- 1021 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...Variable winds 10 knots or less becoming southwest 5 knots after midnight. Mostly clear. Waves 1 foot or less. .MONDAY...West wind 5 knots early in the morning becoming variable 10 knots or less, then becoming east 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...East wind 5 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. .TUESDAY...South wind 5 to 10 knots. Slight chance of rain showers in the morning. Rain showers likely and chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  352 FZUS53 KGRB 240356 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1056 PM CDT Sun Aug 23 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-241000- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1056 PM CDT Sun Aug 23 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION FROM THIS EVENING THROUGH MONDAY MORNING... .REST OF TONIGHT...NW wind 10 to 15 kts. Waves 2 to 4 ft. Clear. .MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 1 to 3 ft. Mostly sunny. .MONDAY NIGHT...E wind 5 to 10 kts veering SE after midnight. Waves 2 ft or less. Partly cloudy. .TUESDAY...S wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. $$ LMZ541>543-241000- Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1056 PM CDT Sun Aug 23 2026 .REST OF TONIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. Clear. .MONDAY...NW wind 10 to 15 kts veering N 5 to 10 kts early in the afternoon. Waves 2 ft or less. Mostly sunny. .MONDAY NIGHT...E wind 5 to 10 kts veering SW after midnight. Waves 2 ft or less. Partly cloudy. .TUESDAY...S wind 10 to 15 kts. Waves 2 ft or less building to 2 to 4 ft in the afternoon. Mostly sunny. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday.