FZUS53 KMQT 220301 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 1100 PM EDT Fri Aug 21 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. LMZ221-220800- Green Bay North of line from Cedar River MI to Rock Island Passage- 1100 PM EDT Fri Aug 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... .REST OF TONIGHT...North wind less than 10 knots. Partly cloudy. Waves 1 to 2 feet. .SATURDAY...Northwest wind 5 to 15 knots veering north 15 to 20 knots late. Partly cloudy. A chance of thunderstorms and a slight chance of showers by late morning. A slight chance of showers and thunderstorms late. Waves building to 2 to 3 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts up to 27 knots. Clear. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .SUNDAY...North wind 15 to 20 knots. Mostly sunny. Waves 2 to 3 feet. $$ LMZ250-220800- 5NM East of a line from Fairport MI to Rock Island Passage- 1100 PM EDT Fri Aug 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... .REST OF TONIGHT...North wind less than 10 knots. Mostly cloudy. A slight chance of showers and thunderstorms by midnight. Waves 2 to 3 feet subsiding to 1 to 2 feet. .SATURDAY...Northwest wind 5 to 15 knots with gusts up to 25 knots veering north 15 to 20 knots late. Partly cloudy. A slight chance of showers and thunderstorms by late morning. Waves building to 2 to 3 feet. .SATURDAY NIGHT...North wind 15 to 20 knots. Clear. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .SUNDAY...North wind 15 to 20 knots. Mostly sunny. Waves 2 to 3 feet. $$ LMZ248-220800- Seul Choix Point to Point Detour MI- 1100 PM EDT Fri Aug 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... .REST OF TONIGHT...Northwest wind less than 10 knots. Mostly cloudy. A slight chance of showers and thunderstorms by midnight. Waves 2 to 3 feet subsiding to 1 to 2 feet. .SATURDAY...Northwest wind 10 to 20 knots with gusts up to 27 knots. Partly cloudy. A slight chance of showers by late morning. Waves building to 2 to 3 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Clear. Waves subsiding to 1 to 2 feet. .SUNDAY...Northwest wind 15 to 20 knots with gusts up to 29 knots. Mostly sunny. Waves building to 2 to 3 feet. $$ LSZ240-241-220800- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 1100 PM EDT Fri Aug 21 2026 /1000 PM CDT Fri Aug 21 2026/ .REST OF TONIGHT...West wind less than 10 knots. Partly cloudy with a slight chance of showers and thunderstorms. Waves calm to 1 foot. .SATURDAY...Northwest wind 5 to 15 knots. Mostly sunny. A slight chance of showers through mid morning. Waves building to 1 to 2 feet. .SATURDAY NIGHT...North wind 10 to 15 knots. Mostly clear. Waves building to 2 to 3 feet. .SUNDAY...North wind 10 to 15 knots veering northeast less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. $$ LSZ242-243-220800- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1100 PM EDT Fri Aug 21 2026 .REST OF TONIGHT...West wind less than 10 knots veering northwest 10 to 15 knots late. Partly cloudy. A slight chance of showers late. Waves calm to 1 foot. .SATURDAY...Northwest wind 10 to 15 knots diminishing to less than 10 knots late. Mostly sunny. Waves building to 1 to 2 feet. .SATURDAY NIGHT...North wind 10 to 20 knots. Mostly clear. Waves building to 2 to 4 feet. .SUNDAY...North wind 10 to 20 knots backing northwest less than 10 knots in the afternoon. Mostly sunny. Waves subsiding to 1 to 2 feet. $$ LSZ244-245-220800- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1100 PM EDT Fri Aug 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...West wind less than 10 knots. Partly cloudy with a slight chance of showers. Waves calm to 1 foot. .SATURDAY...Northwest wind 10 to 20 knots with gusts up to 27 knots. Mostly sunny. Waves building to 2 to 3 feet. .SATURDAY NIGHT...North wind 10 to 20 knots with gusts up to 28 knots. Mostly clear. Waves subsiding to 1 to 2 feet, then building to 2 to 4 feet. .SUNDAY...North wind 15 to 20 knots backing northwest 10 to 20 knots in the afternoon. Gusts up to 28 knots. Mostly sunny. Waves subsiding to 1 to 2 feet. $$ LSZ246-220800- Point Isabelle to Lower Entrance of Portage Canal MI- 1100 PM EDT Fri Aug 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...West wind less than 10 knots with gusts up to 17 knots. Partly cloudy. A slight chance of showers late. Waves calm to 1 foot. .SATURDAY...Northwest wind 10 to 15 knots with gusts up to 26 knots. Mostly sunny. A slight chance of showers through mid morning. Waves building to 1 to 2 feet. .SATURDAY NIGHT...North wind 10 to 15 knots with gusts up to 25 knots. Mostly clear. Waves calm to 1 foot. .SUNDAY...North wind 10 to 15 knots with gusts up to 26 knots. Mostly sunny. Waves 1 to 2 feet. $$ LSZ247-220800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1100 PM EDT Fri Aug 21 2026 .REST OF TONIGHT...West wind 5 to 15 knots. Partly cloudy. A slight chance of showers late. Waves calm to 1 foot. .SATURDAY...Northwest wind 10 to 15 knots. Gusts up to 23 knots. Mostly sunny. A slight chance of showers through mid morning, then a slight chance of showers and thunderstorms by late morning. Waves building to 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy. Waves building to 2 to 3 feet. .SUNDAY...North wind 10 to 20 knots. Mostly sunny. Waves subsiding to 1 to 2 feet. $$ LSZ248-220800- Huron Islands to Marquette MI- 1100 PM EDT Fri Aug 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT SATURDAY THROUGH SUNDAY EVENING... .REST OF TONIGHT...West wind 10 to 15 knots. Mostly clear. A slight chance of showers late. Waves calm to 1 foot building to 1 to 2 feet. .SATURDAY...Northwest wind 10 to 20 knots increasing to 15 to 25 knots by late morning. Mostly sunny. A slight chance of showers through mid morning, then a slight chance of showers and thunderstorms by late morning. Waves building to 3 to 6 feet occasionally to 8 feet. .SATURDAY NIGHT...Northwest wind 15 to 25 knots. Partly cloudy. Waves subsiding to 3 to 5 feet occasionally to 7 feet, then building to 3 to 6 feet occasionally to 8 feet. .SUNDAY...North wind 15 to 25 knots with gusts up to 32 knots. Partly cloudy in the morning then clearing. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. $$ LSZ249-220800- Marquette to Munising MI- 1100 PM EDT Fri Aug 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT SATURDAY THROUGH SUNDAY EVENING... .REST OF TONIGHT...Northwest wind 10 to 15 knots. Partly cloudy. Waves calm to 1 foot building to 1 to 2 feet. .SATURDAY...Northwest wind 10 to 20 knots increasing to 20 to 25 knots by late morning. Gusts up to 33 knots. Mostly sunny. A slight chance of showers and thunderstorms through mid morning, then a slight chance of showers by late morning. Waves building to 4 to 7 feet occasionally to 9 feet. .SATURDAY NIGHT...North wind 20 to 25 knots. Mostly clear. Waves subsiding to 3 to 6 feet occasionally to 8 feet, then building to 4 to 7 feet occasionally to 9 feet. .SUNDAY...North wind 20 to 25 knots with gusts up to 33 knots. Partly cloudy. Waves building to 5 to 8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. $$ LSZ250-220800- Munising to Grand Marais MI- 1100 PM EDT Fri Aug 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF TONIGHT...Northwest wind 10 to 15 knots. Mostly cloudy. Waves calm to 1 foot building to 1 to 2 feet. .SATURDAY...Northwest wind 10 to 15 knots increasing to 15 to 25 knots by late morning. Gusts up to 32 knots. Partly cloudy. Waves building to 3 to 6 feet occasionally to 8 feet. .SATURDAY NIGHT...North wind 20 to 25 knots. Mostly clear. Waves 3 to 6 feet occasionally to 8 feet. .SUNDAY...Northwest wind 20 to 25 knots with gusts up to 33 knots. Partly cloudy. Waves building to 5 to 8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. $$ LSZ251-220800- Grand Marais to Whitefish Point MI- 1100 PM EDT Fri Aug 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF TONIGHT...West wind less than 10 knots veering northwest 10 to 15 knots late. Cloudy. A slight chance of showers and thunderstorms by midnight. Waves calm to 1 foot building to 1 to 2 feet. .SATURDAY...Northwest wind 10 to 20 knots increasing to 20 to 25 knots late. Partly cloudy. Waves building to 3 to 5 feet occasionally to 7 feet. .SATURDAY NIGHT...Northwest wind 20 to 25 knots. Partly cloudy. Waves building to 3 to 6 feet occasionally to 8 feet. .SUNDAY...Northwest wind up to 30 knots. Partly cloudy. Waves building to 5 to 8 feet occasionally to 10 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. $$ WFO MQT