FZUS53 KMQT 290903 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 503 AM EDT Wed Apr 29 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. LMZ221-292000- Green Bay North of line from Cedar River MI to Rock Island Passage- 503 AM EDT Wed Apr 29 2026 .EARLY THIS MORNING...Variable wind less than 10 knots. Cloudy. Waves calm to 1 foot. .TODAY...Northwest wind less than 10 knots backing west late. Mostly cloudy. A chance of rain showers late. Waves calm to 1 foot. .TONIGHT...North wind less than 10 knots backing northwest by midnight. Partly cloudy. A chance of rain showers through late evening, then a slight chance of rain showers by midnight. Waves calm to 1 foot. .THURSDAY...North wind less than 10 knots. Partly cloudy. A slight chance of rain showers and snow showers in the afternoon. Waves calm to 1 foot. .THURSDAY NIGHT...North wind less than 10 knots backing northwest after midnight. Mostly clear. Waves calm to 1 foot. $$ LMZ248-250-292000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 503 AM EDT Wed Apr 29 2026 .EARLY THIS MORNING...Variable wind less than 10 knots. Cloudy. Waves calm to 1 foot. .TODAY...Northwest wind less than 10 knots. Mostly cloudy. A slight chance of rain showers late. Waves calm to 1 foot. .TONIGHT...Northwest wind less than 10 knots. Mostly clear. A slight chance of rain showers through late evening. Waves calm to 1 foot. .THURSDAY...Northwest wind 5 to 15 knots. Partly cloudy. Waves building to 1 to 2 feet. .THURSDAY NIGHT...North wind 10 to 15 knots backing northwest less than 10 knots after midnight. Mostly clear. Waves 1 to 2 feet. $$ LSZ240-241-292000- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 503 AM EDT Wed Apr 29 2026 /403 AM CDT Wed Apr 29 2026/ .EARLY THIS MORNING...Variable wind less than 10 knots. Mostly cloudy. Waves calm to 1 foot. .TODAY...West wind less than 10 knots. Partly cloudy. A slight chance of rain showers by late morning. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots becoming north less than 10 knots by midnight. Partly cloudy with a slight chance of rain showers through midnight, then mostly cloudy late. Waves calm to 1 foot. .THURSDAY...North wind less than 10 knots backing northwest in the afternoon. Partly cloudy. Waves calm to 1 foot. .THURSDAY NIGHT...Variable wind less than 10 knots becoming north less than 10 knots after midnight. Partly cloudy. Waves calm to 1 foot. $$ LSZ242-243-292000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 503 AM EDT Wed Apr 29 2026 .EARLY THIS MORNING...Variable wind less than 10 knots. Mostly cloudy. Waves 1 to 2 feet. .TODAY...Northwest wind less than 10 knots. Partly cloudy. A slight chance of rain showers by late morning. Waves calm to 1 foot. .TONIGHT...North wind less than 10 knots. Partly cloudy with a slight chance of rain showers and snow showers through late evening, then mostly cloudy with a slight chance of rain showers by midnight. Mostly cloudy late. Waves calm to 1 foot. .THURSDAY...North wind 10 to 15 knots backing northwest less than 10 knots in the afternoon. Partly cloudy. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Northwest wind less than 10 knots veering north 5 to 15 knots after midnight. Partly cloudy. Waves calm to 1 foot. $$ LSZ244-245-292000- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 503 AM EDT Wed Apr 29 2026 .EARLY THIS MORNING...Northwest wind less than 10 knots. Mostly cloudy. Waves 1 to 2 feet. .TODAY...Northwest wind less than 10 knots. Partly cloudy. Waves 1 to 2 feet. .TONIGHT...Northwest wind less than 10 knots veering north late. Partly cloudy through midnight then becoming mostly cloudy. Waves calm to 1 foot. .THURSDAY...North wind less than 10 knots backing northwest in the afternoon. Gusts up to 17 knots. Partly cloudy. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Northwest wind less than 10 knots veering north 10 to 15 knots after midnight. Partly cloudy. Waves 1 to 2 feet. $$ LSZ246-292000- Point Isabelle to Lower Entrance of Portage Canal MI- 503 AM EDT Wed Apr 29 2026 .EARLY THIS MORNING...Variable wind less than 10 knots. Mostly cloudy. Waves calm to 1 foot. .TODAY...Variable wind less than 10 knots becoming north less than 10 knots by late morning. Partly cloudy. A slight chance of rain showers by late morning. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots becoming northwest less than 10 knots by midnight. Partly cloudy through midnight then becoming mostly cloudy. Waves calm to 1 foot. .THURSDAY...North wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. .THURSDAY NIGHT...Northwest wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. $$ LSZ247-292000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 503 AM EDT Wed Apr 29 2026 .EARLY THIS MORNING...Variable wind less than 10 knots. Mostly cloudy. Waves calm to 1 foot. .TODAY...Variable wind less than 10 knots becoming north less than 10 knots by late morning. Mostly cloudy through early afternoon then becoming mostly sunny. A chance of rain showers by late morning. A slight chance of rain showers late. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots becoming northwest less than 10 knots by midnight. Partly cloudy through midnight then becoming mostly cloudy. Waves calm to 1 foot. .THURSDAY...North wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. .THURSDAY NIGHT...Northwest wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. $$ LSZ248-292000- Huron Islands to Marquette MI- 503 AM EDT Wed Apr 29 2026 .EARLY THIS MORNING...Variable wind less than 10 knots. Cloudy. Waves 1 to 2 feet. .TODAY...Northwest wind less than 10 knots veering north by late morning. Mostly cloudy through early afternoon then becoming mostly sunny. A slight chance of rain showers by late morning. A slight chance of rain showers and snow showers late. Waves 1 to 2 feet. .TONIGHT...North wind less than 10 knots backing northwest by midnight. Partly cloudy through midnight then becoming mostly cloudy. Waves building to 1 to 2 feet. .THURSDAY...North wind 10 to 15 knots. Partly cloudy. Waves building to 2 to 3 feet. .THURSDAY NIGHT...Northwest wind 10 to 15 knots. Partly cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. $$ LSZ249-292000- Marquette to Munising MI- 503 AM EDT Wed Apr 29 2026 .EARLY THIS MORNING...Northwest wind less than 10 knots. Cloudy. Waves 2 to 3 feet. .TODAY...Northwest wind less than 10 knots veering north by late morning. Mostly cloudy through early afternoon, then mostly sunny with a slight chance of rain showers late. Waves subsiding to 1 to 2 feet. .TONIGHT...Northwest wind 5 to 15 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...North wind 15 to 20 knots. Partly cloudy. Waves building to 2 to 4 feet. .THURSDAY NIGHT...Northwest wind 15 to 20 knots. Partly cloudy. Waves 2 to 4 feet. $$ LSZ250-292000- Munising to Grand Marais MI- 503 AM EDT Wed Apr 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... .EARLY THIS MORNING...Northwest wind less than 10 knots. Mostly cloudy. Waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to 4 feet. .TODAY...Northwest wind less than 10 knots. Mostly cloudy through early afternoon then clearing. Waves subsiding to 1 to 2 feet. .TONIGHT...Northwest wind 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...Northwest wind 10 to 20 knots. Partly cloudy. Waves building to 2 to 4 feet. .THURSDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 2 to 4 feet. $$ LSZ251-292000- Grand Marais to Whitefish Point MI- 503 AM EDT Wed Apr 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .EARLY THIS MORNING...Northwest wind 10 to 15 knots. Mostly cloudy. Waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to 4 feet. .TODAY...Northwest wind 5 to 15 knots. Partly cloudy. Waves subsiding to 1 to 2 feet. .TONIGHT...Northwest wind 10 to 15 knots. Partly cloudy through midnight then becoming mostly cloudy. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .THURSDAY...North wind 10 to 15 knots backing northwest 15 to 20 knots in the afternoon. Partly cloudy. Waves building to 2 to 4 feet. .THURSDAY NIGHT...Northwest wind 15 to 20 knots veering north 10 to 15 knots after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 2 to 4 feet. $$ WFO MQT