FZUS53 KMQT 190903 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 AM EDT Tue May 19 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. LMZ221-192000- Green Bay North of line from Cedar River MI to Rock Island Passage- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... .EARLY THIS MORNING...South wind 15 to 20 knots. Showers likely and a slight chance of thunderstorms. Areas of dense fog. Waves 2 to 3 feet building to 2 to 4 feet. .TODAY...South wind 15 to 20 knots veering northwest 10 to 15 knots late. Cloudy through early afternoon then becoming partly cloudy. A chance of showers and a slight chance of thunderstorms through mid morning, then a slight chance of showers by late morning. Areas of dense fog through early afternoon. Waves subsiding to 2 to 3 feet. .TONIGHT...Northwest wind 5 to 15 knots. Mostly cloudy through midnight then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...North wind less than 10 knots veering northeast in the afternoon. Gusts up to 17 knots. Mostly sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Northeast wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. $$ LMZ248-250-192000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...South wind 15 to 25 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Areas of dense fog. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet. .TODAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots by late morning, then veering northwest 10 to 15 knots late. Cloudy through early afternoon then becoming partly cloudy. Areas of dense fog through early afternoon. A chance of showers through mid morning. A slight chance of thunderstorms through early afternoon. A slight chance of showers by late morning. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 15 knots. Mostly cloudy through midnight then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...North wind 10 to 15 knots becoming 5 to 15 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind less than 10 knots in the evening becoming variable. Mostly clear. Waves calm to 1 foot. $$ LSZ240-241-192000- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 503 AM EDT Tue May 19 2026 /403 AM CDT Tue May 19 2026/ ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ THIS AFTERNOON... .EARLY THIS MORNING...North wind 10 to 15 knots. Cloudy with a chance of rain showers. Patchy fog. Waves 3 to 5 feet occasionally to 7 feet. .TODAY...Northwest wind 5 to 15 knots backing west 10 to 20 knots by late morning. Mostly cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves subsiding to 2 to 3 feet. .TONIGHT...Northwest wind 5 to 15 knots becoming less than 10 knots late. Mostly cloudy through midnight then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Southeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. $$ LSZ242-243-192000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 503 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .EARLY THIS MORNING...North wind 10 to 20 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy fog. Waves 2 to 4 feet. .TODAY...Northwest wind 15 to 20 knots backing west 10 to 20 knots by late morning. Cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 15 knots. Cloudy through late evening then becoming mostly clear. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots backing west in the afternoon. Sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southeast wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ245-192000- Manitou Island to Point Isabelle MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH THIS EVENING... .EARLY THIS MORNING...Southeast wind 10 to 15 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Areas of dense fog. Waves 2 to 3 feet. .TODAY...Northwest wind 10 to 20 knots with gusts up to 27 knots. Mostly cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts up to 26 knots. Mostly cloudy through late evening then clearing. Waves 2 to 3 feet. .WEDNESDAY...Northwest wind 10 to 15 knots backing west less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. .WEDNESDAY NIGHT...South wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ244-192000- Eagle River to Manitou Island MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...East wind 10 to 15 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy dense fog. Waves 2 to 4 feet. .TODAY...Northwest wind 15 to 20 knots becoming 10 to 20 knots by late morning. Gusts up to 27 knots. Mostly cloudy. A chance of rain showers through mid morning. Patchy dense fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts up to 26 knots. Mostly cloudy through late evening then becoming mostly clear. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. .WEDNESDAY...Northwest wind 5 to 15 knots backing west less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. .WEDNESDAY NIGHT...South wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ246-192000- Point Isabelle to Lower Entrance of Portage Canal MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH THIS EVENING... .EARLY THIS MORNING...East wind 10 to 15 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet. .TODAY...West wind 15 to 20 knots. Cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .TONIGHT...Northwest wind 5 to 15 knots with gusts up to 22 knots. Cloudy through late evening then becoming mostly clear. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots veering northeast in the afternoon. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ247-192000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH THIS EVENING... .EARLY THIS MORNING...East wind 10 to 15 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet. .TODAY...West wind 15 to 20 knots. Mostly cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 2 to 3 feet. .TONIGHT...Northwest wind 10 to 20 knots diminishing to less than 10 knots late. Cloudy through late evening then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots veering northeast in the afternoon. Sunny. Waves calm to 1 foot. .WEDNESDAY NIGHT...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. $$ LSZ248-192000- Huron Islands to Marquette MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH LATE TONIGHT... .EARLY THIS MORNING...Southeast wind 10 to 15 knots. Rain showers likely and a slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet building to 2 to 3 feet. .TODAY...West wind 15 to 25 knots veering northwest by late morning. Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms through mid morning. Patchy fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 20 knots with gusts up to 28 knots. Cloudy through late evening then becoming partly cloudy. Waves 2 to 4 feet. .WEDNESDAY...Northwest wind 10 to 15 knots veering northeast less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. .WEDNESDAY NIGHT...Variable wind less than 10 knots becoming south less than 10 knots after midnight. Mostly clear. Waves calm to 1 foot. $$ LSZ249-192000- Marquette to Munising MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH LATE TONIGHT... .EARLY THIS MORNING...South wind 15 to 20 knots. Cloudy with a chance of rain showers and a slight chance of thunderstorms. Patchy dense fog. Waves 1 to 2 feet building to 2 to 3 feet. .TODAY...Southwest wind 15 to 25 knots veering northwest 20 to 25 knots by late morning. Mostly cloudy. Patchy fog through mid morning. A chance of rain showers and a slight chance of thunderstorms through mid morning, then a chance of rain showers by late morning. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 20 knots with gusts up to 27 knots. Mostly cloudy through midnight then becoming partly cloudy. Waves subsiding to 3 to 5 feet occasionally to 7 feet, then building to 3 to 6 feet occasionally to 8 feet. .WEDNESDAY...Northwest wind 15 to 20 knots becoming north less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. .WEDNESDAY NIGHT...Variable wind less than 10 knots becoming south less than 10 knots after midnight. Mostly clear. Waves 1 to 2 feet. $$ LSZ250-192000- Munising to Grand Marais MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .EARLY THIS MORNING...South wind 15 to 20 knots. Cloudy with a chance of showers and thunderstorms. Areas of dense fog. Waves 1 to 2 feet building to 2 to 3 feet. .TODAY...Southwest wind 15 to 20 knots veering northwest 20 to 25 knots late. Gusts up to 32 knots. Mostly cloudy. Patchy fog through mid morning. A chance of rain showers and a slight chance of thunderstorms through mid morning, then a chance of rain showers by late morning. Waves building to 5 to 8 feet occasionally to 10 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. .TONIGHT...Northwest wind 15 to 20 knots with gusts up to 29 knots. Mostly cloudy through midnight then becoming partly cloudy. Waves subsiding to 3 to 6 feet occasionally to 8 feet, then building to 4 to 7 feet occasionally to 9 feet. .WEDNESDAY...Northwest wind 15 to 20 knots diminishing to 5 to 15 knots in the afternoon. Partly cloudy in the morning then clearing. Waves subsiding to 1 to 2 feet. .WEDNESDAY NIGHT...Northwest wind less than 10 knots in the evening becoming variable. Mostly clear. Waves 1 to 2 feet. $$ LSZ251-192000- Grand Marais to Whitefish Point MI- 503 AM EDT Tue May 19 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .EARLY THIS MORNING...Southeast wind 15 to 20 knots. Cloudy with a chance of showers and thunderstorms. Areas of dense fog. Waves 1 to 2 feet. .TODAY...South wind 15 to 20 knots veering west 20 to 25 knots late. Gusts up to 32 knots. Mostly cloudy. Patchy fog through early afternoon. A slight chance of showers and thunderstorms through mid morning, then a slight chance of rain showers by late morning. Waves building to 5 to 8 feet occasionally to 10 feet. .TONIGHT...Northwest wind 15 to 25 knots becoming 20 to 25 knots late. Partly cloudy then becoming mostly cloudy by midnight then becoming partly cloudy. Waves subsiding to 4 to 7 feet occasionally to 9 feet, then building to 5 to 8 feet occasionally to 10 feet. .WEDNESDAY...Northwest wind 10 to 20 knots. Partly cloudy in the morning then clearing. Waves subsiding to 2 to 3 feet. .WEDNESDAY NIGHT...Northwest wind less than 10 knots in the evening becoming variable. Mostly clear. Waves subsiding to 1 to 2 feet. $$ WFO MQT