Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
539 FZUS53 KMQT 020902 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 AM EDT Tue Sep 2 2025 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. LMZ221-022000- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY MORNING... .EARLY THIS MORNING...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .TODAY...Southwest wind less than 10 knots backing south 5 to 15 knots by late morning. Sunny. Waves building to 1 to 2 feet. .TONIGHT...Southwest wind 15 to 20 knots. Partly cloudy through late evening, then a slight chance of showers and thunderstorms by midnight. Cloudy with showers likely and a chance of thunderstorms late. A slight chance of waterspouts by midnight. A chance of waterspouts late. Waves building to 2 to 4 feet. .WEDNESDAY...West wind 10 to 20 knots veering northwest 15 to 20 knots in the afternoon. Showers and a chance of thunderstorms. A chance of waterspouts in the morning. A slight chance of waterspouts in the afternoon. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 10 to 20 knots. A slight chance of waterspouts in the evening. Mostly cloudy with a chance of rain showers in the evening, then partly cloudy after midnight. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. $$ LMZ248-250-022000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY MORNING... .EARLY THIS MORNING...Variable wind less than 10 knots. Mostly clear. Patchy fog. Waves calm to 1 foot. .TODAY...Variable wind less than 10 knots becoming south 5 to 15 knots by late morning. Sunny. Patchy fog through mid morning. Waves building to 1 to 2 feet. .TONIGHT...South wind 15 to 20 knots veering southwest late. Partly cloudy through late evening, then a slight chance of showers and thunderstorms by midnight. Mostly cloudy with showers likely and a chance of thunderstorms late. A chance of waterspouts late. Waves building to 2 to 4 feet. .WEDNESDAY...West wind 10 to 20 knots veering northwest in the afternoon. Showers and a chance of thunderstorms. A chance of waterspouts. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy with a chance of rain showers in the evening, then partly cloudy with a slight chance of rain showers after midnight. A chance of waterspouts in the evening, then a slight chance of waterspouts after midnight. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. $$ LSZ240-022000- Saxon Harbor WI to Black River MI- 502 AM EDT Tue Sep 2 2025 /402 AM CDT Tue Sep 2 2025/ ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...Southwest wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...Southwest wind less than 10 knots becoming 5 to 15 knots by late morning. Partly cloudy. A chance of showers and thunderstorms by late morning. A chance of waterspouts by late morning. Waves calm to 1 foot. .TONIGHT...Southwest wind 10 to 15 knots veering northwest 15 to 25 knots late. A chance of waterspouts through the night. A chance of thunderstorms in the evening. Showers through the night. A slight chance of thunderstorms after midnight. Waves building to 3 to 5 feet occasionally to 7 feet. .WEDNESDAY...Northwest wind 20 to 25 knots. Cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. A chance of waterspouts through the day. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to 20 knots after midnight. Cloudy with a chance of rain showers. A chance of waterspouts. Waves subsiding to 2 to 4 feet. $$ LSZ241-022000- Black River to Ontonagon MI- 502 AM EDT Tue Sep 2 2025 /402 AM CDT Tue Sep 2 2025/ ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...Southwest wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...Southwest wind less than 10 knots veering west by late morning, then backing southwest late. Mostly sunny through early afternoon then becoming mostly cloudy. A slight chance of showers and thunderstorms by late morning. A chance of showers and thunderstorms late. A slight chance of waterspouts by late morning. A chance of waterspouts late. Waves calm to 1 foot. .TONIGHT...Southwest wind 10 to 15 knots veering west 10 to 20 knots by midnight, then veering northwest 20 to 25 knots late. Showers likely and a chance of thunderstorms through late evening, then showers likely and a slight chance of thunderstorms by midnight. A chance of waterspouts through the night. Waves building to 3 to 6 feet occasionally to 8 feet. .WEDNESDAY...Northwest wind 20 to 25 knots. Cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. A chance of waterspouts through the day. Waves 3 to 6 feet occasionally to 8 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 25 knots. Cloudy with a chance of showers. A chance of waterspouts. Waves subsiding to 3 to 5 feet occasionally to 7 feet. $$ LSZ242-243-022000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...Southwest wind 10 to 15 knots. Clear. Waves calm to 1 foot building to 1 to 2 feet. .TODAY...Southwest wind 10 to 15 knots veering west less than 10 knots by late morning, then backing southwest late. Mostly sunny. A chance of showers and a slight chance of thunderstorms late. A slight chance of waterspouts late. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots becoming 10 to 20 knots by midnight, then veering northwest 15 to 25 knots late. Showers and a chance of thunderstorms through midnight, then showers likely and a slight chance of thunderstorms late. A chance of waterspouts through the night. Waves building to 3 to 5 feet occasionally to 7 feet. .WEDNESDAY...Northwest wind 20 to 25 knots with gusts up to 32 knots. Cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. A chance of waterspouts in the morning. A slight chance of waterspouts in the afternoon. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 25 knots with gusts up to 32 knots. Cloudy. A chance of rain showers in the evening, then rain showers likely after midnight. A chance of waterspouts through the night. Waves subsiding to 3 to 5 feet occasionally to 7 feet, then building to 3 to 6 feet occasionally to 8 feet. $$ LSZ245-022000- Manitou Island to Point Isabelle MI- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...Southwest wind 10 to 15 knots. Mostly clear. Waves calm to 1 foot. .TODAY...Southwest wind 10 to 15 knots backing southeast less than 10 knots late. Mostly sunny. Waves building to 1 to 2 feet. .TONIGHT...Southwest wind 5 to 15 knots veering west 10 to 20 knots late. A chance of showers and thunderstorms through late evening, then showers and a chance of thunderstorms by midnight. A slight chance of waterspouts through late evening. A chance of waterspouts by midnight. Waves building to 2 to 3 feet. .WEDNESDAY...Northwest wind 15 to 25 knots. Cloudy. A chance of waterspouts in the morning. A chance of showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Waves building to 4 to 7 feet occasionally to 9 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 25 knots. Cloudy. A chance of rain showers in the evening, then rain showers likely after midnight. A chance of waterspouts through the night. Waves subsiding to 2 to 4 feet. $$ LSZ244-022000- Eagle River to Manitou Island MI- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...Southwest wind 10 to 15 knots. Mostly clear. Waves calm to 1 foot building to 1 to 2 feet. .TODAY...Southwest wind 10 to 15 knots backing south less than 10 knots late. Sunny through early afternoon then becoming partly cloudy. A slight chance of showers late. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 15 knots becoming west 15 to 25 knots late. A chance of showers and thunderstorms through late evening, then showers and a chance of thunderstorms by midnight. A chance of waterspouts through the night. Waves building to 3 to 5 feet occasionally to 7 feet. .WEDNESDAY...Northwest wind 20 to 25 knots with gusts up to 33 knots. Cloudy. A chance of waterspouts in the morning. A chance of showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Waves building to 5 to 8 feet occasionally to 10 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 25 knots. Cloudy. A chance of rain showers in the evening, then rain showers likely after midnight. A chance of waterspouts through the night. Waves subsiding to 3 to 6 feet occasionally to 8 feet. $$ LSZ246-022000- Point Isabelle to Lower Entrance of Portage Canal MI- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...Southwest wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...Southwest wind less than 10 knots backing southeast 5 to 15 knots late. Mostly sunny. A slight chance of showers and thunderstorms late. A slight chance of waterspouts late. Waves calm to 1 foot. .TONIGHT...Southwest wind 5 to 15 knots veering west 10 to 15 knots late. Gusts up to 22 knots. Showers and a chance of thunderstorms. A chance of waterspouts. Waves building to 1 to 2 feet. .WEDNESDAY...Northwest wind 15 to 20 knots with gusts up to 30 knots. Cloudy. A chance of waterspouts in the morning. A chance of showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northwest wind 10 to 20 knots with gusts up to 29 knots. Cloudy. A chance of rain showers in the evening, then rain showers likely after midnight. A chance of waterspouts through the night. Waves 1 to 2 feet. $$ LSZ247-022000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...Southwest wind 10 to 15 knots. Mostly clear. Waves calm to 1 foot building to 1 to 2 feet. .TODAY...Southwest wind 5 to 15 knots backing southeast less than 10 knots late. Sunny through early afternoon then becoming partly cloudy. A slight chance of showers and thunderstorms late. A slight chance of waterspouts late. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 15 knots veering west 10 to 20 knots late. A chance of showers and thunderstorms through late evening, then showers and a chance of thunderstorms by midnight. A chance of waterspouts through the night. Waves building to 2 to 3 feet. .WEDNESDAY...Northwest wind 15 to 20 knots with gusts up to 30 knots. Cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. A chance of waterspouts in the morning. A slight chance of waterspouts in the afternoon. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 10 to 20 knots with gusts up to 29 knots. Cloudy. A chance of rain showers in the evening, then rain showers likely after midnight. A chance of waterspouts through the night. Waves subsiding to 1 to 2 feet. $$ LSZ248-022000- Huron Islands to Marquette MI- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...Southwest wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...Southwest wind less than 10 knots backing southeast by late morning. Mostly sunny. Waves calm to 1 foot. .TONIGHT...Southwest wind 5 to 15 knots increasing to 10 to 20 knots late. Partly cloudy through late evening then becoming cloudy. A slight chance of waterspouts through late evening. A chance of waterspouts by midnight. A chance of showers in the evening. A chance of thunderstorms through the night. Showers likely after midnight. Waves building to 2 to 3 feet. .WEDNESDAY...Northwest wind 15 to 25 knots. Cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. A chance of waterspouts in the morning. A slight chance of waterspouts in the afternoon. Waves building to 3 to 6 feet occasionally to 8 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 20 knots backing west after midnight. Gusts up to 29 knots. Cloudy with a chance of rain showers. A chance of waterspouts. Waves subsiding to 2 to 4 feet. $$ LSZ249-022000- Marquette to Munising MI- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...Southwest wind less than 10 knots. Clear. Waves calm to 1 foot. .TODAY...Southwest wind less than 10 knots backing south 10 to 15 knots late. Sunny. Waves calm to 1 foot. .TONIGHT...South wind 10 to 15 knots veering southwest late. Mostly clear through late evening, then mostly cloudy with a chance of showers and thunderstorms by midnight. Cloudy with showers likely and a chance of thunderstorms late. A slight chance of waterspouts by midnight. A chance of waterspouts late. Waves building to 1 to 2 feet. .WEDNESDAY...West wind 15 to 25 knots veering northwest 20 to 25 knots in the afternoon. Cloudy. Showers likely and a slight chance of thunderstorms in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. A chance of waterspouts through the day. Waves building to 5 to 8 feet occasionally to 10 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 20 knots backing west after midnight. Cloudy with a chance of rain showers. A chance of waterspouts. Waves subsiding to 3 to 6 feet occasionally to 8 feet. $$ LSZ250-022000- Munising to Grand Marais MI- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...Southwest wind less than 10 knots. Clear. Waves calm to 1 foot. .TODAY...Southwest wind less than 10 knots backing south 5 to 15 knots late. Sunny. Waves calm to 1 foot. .TONIGHT...South wind 10 to 15 knots with gusts up to 22 knots. Partly cloudy through late evening, then a chance of showers and a slight chance of thunderstorms by midnight. Cloudy with showers likely and a chance of thunderstorms late. A slight chance of waterspouts by midnight. A chance of waterspouts late. Waves building to 1 to 2 feet. .WEDNESDAY...West wind 15 to 25 knots veering northwest 20 to 25 knots in the afternoon. Cloudy. Showers and a chance of thunderstorms in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. A chance of waterspouts in the morning, then a slight chance of waterspouts in the afternoon. Waves building to 5 to 8 feet occasionally to 10 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 20 knots. Cloudy with a chance of showers. A slight chance of waterspouts in the evening. A chance of waterspouts after midnight. Waves subsiding to 3 to 6 feet occasionally to 8 feet. $$ LSZ251-022000- Grand Marais to Whitefish Point MI- 502 AM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING... .EARLY THIS MORNING...South wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...South wind less than 10 knots backing southeast late. Sunny. Waves calm to 1 foot. .TONIGHT...South wind 10 to 15 knots with gusts up to 23 knots. Mostly clear through midnight then becoming mostly cloudy. A chance of showers and a slight chance of thunderstorms late. A slight chance of waterspouts late. Waves building to 2 to 3 feet. .WEDNESDAY...Southwest wind 10 to 20 knots veering northwest 20 to 25 knots in the afternoon. Cloudy. Showers and a chance of thunderstorms in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. A chance of waterspouts through the day. Waves building to 4 to 7 feet occasionally to 9 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 20 knots. Cloudy with a chance of showers. A slight chance of waterspouts. Waves subsiding to 3 to 6 feet occasionally to 8 feet. $$ WFO MQT