FZUS53 KMQT 210900 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 500 AM EDT Tue Apr 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. LMZ221-212000- Green Bay North of line from Cedar River MI to Rock Island Passage- 500 AM EDT Tue Apr 21 2026 .EARLY THIS MORNING...South wind 10 to 15 knots with gusts up to 23 knots. Mostly clear. Waves 2 to 3 feet. .TODAY...Southwest wind less than 10 knots through early afternoon becoming variable. Sunny. Waves subsiding to 1 to 2 feet. .TONIGHT...Northeast wind less than 10 knots through midnight becoming variable. Clear. Waves 1 to 2 feet. .WEDNESDAY...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Southeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. $$ LMZ248-250-212000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 500 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .EARLY THIS MORNING...Southwest wind 15 to 20 knots with gusts up to 27 knots. Mostly clear. Waves 3 to 6 feet occasionally to 8 feet. .TODAY...Southwest wind 5 to 15 knots veering northwest less than 10 knots late. Sunny. Waves subsiding to 2 to 3 feet. .TONIGHT...North wind less than 10 knots. Clear. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Variable wind less than 10 knots becoming southeast less than 10 knots in the afternoon. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Southeast wind 5 to 15 knots. Clear in the evening then becoming partly cloudy. Waves calm to 1 foot. $$ LSZ240-241-212000- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 500 AM EDT Tue Apr 21 2026 /400 AM CDT Tue Apr 21 2026/ .EARLY THIS MORNING...West wind less than 10 knots. Clear. Waves 1 to 2 feet. .TODAY...West wind less than 10 knots through mid morning becoming variable. Sunny. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .WEDNESDAY...Variable wind less than 10 knots becoming east less than 10 knots in the afternoon. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Southeast wind 10 to 15 knots. Partly cloudy in the evening then becoming mostly cloudy. A slight chance of showers. Waves calm to 1 foot. $$ LSZ242-243-212000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 500 AM EDT Tue Apr 21 2026 .EARLY THIS MORNING...Southwest wind 10 to 15 knots. Clear. Waves 2 to 3 feet subsiding to 1 to 2 feet. .TODAY...Northwest wind less than 10 knots through early afternoon becoming variable. Sunny. Waves 1 to 2 feet. .TONIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .WEDNESDAY...Southeast wind less than 10 knots backing east 5 to 15 knots in the afternoon. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Southeast wind 10 to 15 knots. Partly cloudy in the evening, then mostly cloudy with a slight chance of rain showers after midnight. Waves building to 1 to 2 feet. $$ LSZ244-245-212000- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 500 AM EDT Tue Apr 21 2026 .EARLY THIS MORNING...West wind 10 to 15 knots. Clear. Waves 2 to 4 feet subsiding to 2 to 3 feet. .TODAY...Northwest wind less than 10 knots. Sunny. Waves subsiding to 1 to 2 feet. .TONIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .WEDNESDAY...Southeast wind less than 10 knots increasing to 10 to 15 knots in the afternoon. Mostly sunny. Waves building to 1 to 2 feet. .WEDNESDAY NIGHT...Southeast wind 10 to 20 knots. Partly cloudy in the evening, then mostly cloudy with a slight chance of rain showers after midnight. Waves building to 2 to 4 feet. $$ LSZ246-212000- Point Isabelle to Lower Entrance of Portage Canal MI- 500 AM EDT Tue Apr 21 2026 .EARLY THIS MORNING...Southwest wind 10 to 15 knots. Clear. Waves 2 to 3 feet subsiding to 1 to 2 feet. .TODAY...West wind less than 10 knots through mid morning becoming variable. Sunny. Waves 1 to 2 feet. .TONIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .WEDNESDAY...Southeast wind less than 10 knots backing east 10 to 15 knots in the afternoon. Mostly sunny. Waves building to 1 to 2 feet. .WEDNESDAY NIGHT...East wind 10 to 15 knots. Partly cloudy in the evening, then mostly cloudy with a slight chance of rain showers after midnight. Waves building to 2 to 4 feet. $$ LSZ247-212000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 500 AM EDT Tue Apr 21 2026 .EARLY THIS MORNING...Southwest wind 10 to 15 knots. Clear. Waves 1 to 2 feet. .TODAY...West wind less than 10 knots through mid morning becoming variable. Sunny. Waves 1 to 2 feet. .TONIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .WEDNESDAY...Southeast wind less than 10 knots backing east 5 to 15 knots in the afternoon. Sunny. Waves building to 1 to 2 feet. .WEDNESDAY NIGHT...Southeast wind 10 to 15 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. $$ LSZ248-212000- Huron Islands to Marquette MI- 500 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... .EARLY THIS MORNING...Southwest wind 10 to 15 knots with gusts up to 23 knots. Clear. Waves 2 to 3 feet subsiding to 1 to 2 feet. .TODAY...West wind less than 10 knots veering north late. Sunny. Waves 1 to 2 feet. .TONIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .WEDNESDAY...Southeast wind less than 10 knots increasing to 10 to 15 knots in the afternoon. Sunny. Waves building to 1 to 2 feet. .WEDNESDAY NIGHT...Southeast wind 10 to 15 knots. Mostly clear in the evening then becoming mostly cloudy. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. $$ LSZ249-212000- Marquette to Munising MI- 500 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... .EARLY THIS MORNING...Southwest wind 15 to 20 knots. Clear. Waves 2 to 3 feet subsiding to 1 to 2 feet. .TODAY...West wind 10 to 15 knots veering northwest less than 10 knots by late morning. Sunny. Waves 1 to 2 feet. .TONIGHT...Northwest wind less than 10 knots through midnight becoming variable. Clear. Waves calm to 1 foot. .WEDNESDAY...Southeast wind less than 10 knots becoming 5 to 15 knots in the afternoon. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Southeast wind 10 to 15 knots. Mostly clear in the evening then becoming mostly cloudy. Waves building to 1 to 2 feet. $$ LSZ250-212000- Munising to Grand Marais MI- 500 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... .EARLY THIS MORNING...Southwest wind 15 to 20 knots with gusts up to 27 knots. Clear. Waves 2 to 4 feet subsiding to 2 to 3 feet. .TODAY...Southwest wind 10 to 15 knots veering northwest less than 10 knots late. Sunny. Waves subsiding to 1 to 2 feet. .TONIGHT...Northwest wind less than 10 knots through midnight becoming variable. Clear. Waves calm to 1 foot. .WEDNESDAY...Variable wind less than 10 knots becoming east less than 10 knots in the afternoon. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Southeast wind 10 to 15 knots. Partly cloudy. Waves building to 1 to 2 feet. $$ LSZ251-212000- Grand Marais to Whitefish Point MI- 500 AM EDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT THIS MORNING... .EARLY THIS MORNING...South wind 15 to 20 knots with gusts up to 27 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 2 to 3 feet. .TODAY...Southwest wind 10 to 15 knots veering northwest less than 10 knots by late morning. Sunny. Waves subsiding to 1 to 2 feet. .TONIGHT...Northwest wind less than 10 knots. Clear. Waves calm to 1 foot. .WEDNESDAY...Variable wind less than 10 knots becoming east less than 10 knots in the afternoon. Mostly sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Southeast wind 5 to 15 knots. Mostly clear. Waves building to 1 to 2 feet. $$ WFO MQT