Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
110 FZUS53 KMQT 022102 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 PM 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. LMZ221-030800- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 PM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH WEDNESDAY EVENING... .LATE THIS AFTERNOON...South wind 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...South wind 15 to 20 knots veering southwest by midnight. Partly cloudy through late evening then becoming cloudy. A chance of showers and thunderstorms by midnight. Showers likely and a chance of thunderstorms late. Waves building to 2 to 4 feet. .WEDNESDAY...West wind 15 to 20 knots veering northwest by late morning. Gusts up to 27 knots. Mostly cloudy. Showers likely and a chance of thunderstorms through mid morning, then a chance of showers by late morning. A slight chance of showers late. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 20 knots backing west after midnight. Mostly clear. A slight chance of rain showers in the evening. Waves 2 to 4 feet. .THURSDAY...West wind 15 to 20 knots diminishing to 10 to 15 knots in the afternoon. Gusts up to 27 knots. Partly cloudy. Waves subsiding to 1 to 2 feet. $$ LMZ248-250-030800- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 PM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH WEDNESDAY EVENING... .LATE THIS AFTERNOON...South wind 10 to 15 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...South wind 15 to 20 knots veering southwest late. Partly cloudy through late evening, then mostly cloudy with a chance of showers and a slight chance of thunderstorms by midnight. Cloudy with showers and a chance of thunderstorms late. Waves building to 3 to 5 feet occasionally to 7 feet. .WEDNESDAY...West wind 15 to 20 knots veering northwest by late morning. Mostly cloudy. Showers likely and a chance of thunderstorms through mid morning, then a chance of showers and a slight chance of thunderstorms by late morning. A slight chance of showers late. Waves subsiding to 2 to 4 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 20 knots. Mostly clear. A slight chance of rain showers in the evening. Waves 2 to 4 feet. .THURSDAY...West wind 15 to 20 knots becoming 10 to 20 knots in the afternoon. Partly cloudy with a slight chance of rain showers. Waves subsiding to 1 to 2 feet. $$ LSZ240-030800- Saxon Harbor WI to Black River MI- 502 PM EDT Tue Sep 2 2025 /402 PM CDT Tue Sep 2 2025/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT /4 AM CDT/ WEDNESDAY THROUGH THURSDAY MORNING... .LATE THIS AFTERNOON...Southwest wind 10 to 15 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves calm to 1 foot. .TONIGHT...Southwest wind 10 to 20 knots veering west 15 to 20 knots by midnight, then veering northwest 20 to 25 knots late. Cloudy. A chance of thunderstorms in the evening. Showers through the night. A slight chance of thunderstorms after midnight. Waves building to 3 to 6 feet occasionally to 8 feet. .WEDNESDAY...Northwest wind 20 to 25 knots. Cloudy. A chance of showers through early afternoon. A slight chance of thunderstorms by late morning. Showers likely late. A slight chance of waterspouts 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. .WEDNESDAY NIGHT...Northwest wind 20 to 25 knots. Cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. A slight chance of waterspouts through the night. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .THURSDAY...West wind 15 to 25 knots diminishing to 10 to 20 knots in the afternoon. Mostly cloudy. A slight chance of waterspouts in the morning. A slight chance of rain showers in the morning, then a chance of rain showers in the afternoon. Waves subsiding to 1 to 2 feet. $$ LSZ241-030800- Black River to Ontonagon MI- 502 PM EDT Tue Sep 2 2025 /402 PM CDT Tue Sep 2 2025/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT /3 AM CDT/ WEDNESDAY THROUGH THURSDAY MORNING... .LATE THIS AFTERNOON...Southwest wind less than 10 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves calm to 1 foot. .TONIGHT...Southwest wind 10 to 20 knots veering west 15 to 20 knots by midnight, then veering northwest 20 to 25 knots late. A chance of thunderstorms in the evening. Showers likely through the night. A slight chance of thunderstorms after midnight. Waves building to 4 to 7 feet occasionally to 9 feet. .WEDNESDAY...Northwest wind 20 to 25 knots. A chance of showers through mid morning, then showers likely by late morning. A slight chance of waterspouts by late morning. Waves 4 to 7 feet occasionally to 9 feet. .WEDNESDAY NIGHT...Northwest wind 20 to 25 knots. Cloudy with showers likely and a slight chance of thunderstorms. A slight chance of waterspouts. Waves building to 5 to 8 feet occasionally to 10 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. .THURSDAY...West wind 20 to 25 knots diminishing to 10 to 20 knots in the afternoon. Mostly cloudy. A slight chance of waterspouts in the morning. A chance of showers in the morning, then a slight chance of showers in the afternoon. Waves subsiding to 2 to 4 feet. $$ LSZ242-243-030800- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 502 PM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT WEDNESDAY THROUGH THURSDAY MORNING... .LATE THIS AFTERNOON...Southwest wind less than 10 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves calm to 1 foot. .TONIGHT...Southwest wind 10 to 15 knots increasing to 15 to 25 knots by midnight, then veering northwest 20 to 25 knots late. Showers likely and a chance of thunderstorms through midnight, then a chance of showers and thunderstorms late. Waves building to 4 to 7 feet occasionally to 9 feet. .WEDNESDAY...Northwest wind 20 to 25 knots. Showers likely. A slight chance of waterspouts by late morning. Waves building to 5 to 8 feet occasionally to 10 feet. .WEDNESDAY NIGHT...Northwest wind 20 to 25 knots. Showers likely and a slight chance of thunderstorms. A slight chance of waterspouts. Waves subsiding to 4 to 7 feet occasionally to 9 feet. .THURSDAY...West wind 20 to 25 knots becoming 15 to 25 knots in the afternoon. Mostly cloudy. A slight chance of waterspouts in the morning. Showers likely in the morning, then a slight chance of showers in the afternoon. Waves subsiding to 3 to 6 feet occasionally to 8 feet. $$ LSZ244-245-030800- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 502 PM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING... .LATE THIS AFTERNOON...South wind less than 10 knots. Partly cloudy with a chance of showers and a slight chance of thunderstorms. Waves calm to 1 foot. .TONIGHT...Southwest wind 10 to 20 knots with gusts up to 29 knots veering west 15 to 25 knots late. Showers likely and a chance of thunderstorms through midnight, then a chance of showers and thunderstorms late. Waves building to 5 to 8 feet occasionally to 10 feet. .WEDNESDAY...Northwest wind up to 30 knots. A slight chance of thunderstorms through mid morning. Showers likely through the day. A slight chance of thunderstorms late. A slight chance of waterspouts late. Waves building to 7 to 10 feet occasionally to 13 feet. .WEDNESDAY NIGHT...Northwest wind 20 to 25 knots. Showers likely and a slight chance of thunderstorms. A slight chance of waterspouts. Waves subsiding to 5 to 8 feet occasionally to 10 feet. .THURSDAY...West wind 20 to 25 knots becoming 15 to 25 knots in the afternoon. Mostly cloudy. A slight chance of waterspouts in the morning. Showers likely in the morning, then a chance of showers in the afternoon. Waves subsiding to 3 to 6 feet occasionally to 8 feet. $$ LSZ246-030800- Point Isabelle to Lower Entrance of Portage Canal MI- 502 PM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING... .LATE THIS AFTERNOON...South wind less than 10 knots. Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Waves calm to 1 foot. .TONIGHT...Southwest wind 5 to 15 knots becoming 10 to 15 knots by midnight, then veering west 15 to 20 knots late. Showers likely and a chance of thunderstorms. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind 15 to 20 knots with gusts up to 28 knots. Showers likely. A slight chance of waterspouts by late morning. Waves building to 2 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 15 to 20 knots with gusts up to 28 knots. Cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening, then rain showers likely and a slight chance of thunderstorms after midnight. A slight chance of waterspouts through the night. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. .THURSDAY...West wind 15 to 20 knots becoming 10 to 20 knots in the afternoon. Gusts up to 27 knots. Mostly cloudy. A slight chance of waterspouts in the morning. Rain showers likely in the morning, then a slight chance of rain showers in the afternoon. Waves subsiding to 1 to 2 feet. $$ LSZ247-030800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 PM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING... .LATE THIS AFTERNOON...South wind less than 10 knots. Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Waves calm to 1 foot. .TONIGHT...Southwest wind 10 to 20 knots veering west 15 to 20 knots late. Showers likely and a chance of thunderstorms. Waves building to 2 to 3 feet. .WEDNESDAY...Northwest wind 15 to 25 knots. Showers likely and a slight chance of thunderstorms through early afternoon, then a chance of showers late. A slight chance of waterspouts by late morning. Waves building to 2 to 4 feet. .WEDNESDAY NIGHT...Northwest wind 20 to 25 knots becoming 15 to 25 knots after midnight. Cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening, then rain showers likely and a slight chance of thunderstorms after midnight. A slight chance of waterspouts through the night. Waves 2 to 4 feet. .THURSDAY...West wind 10 to 20 knots with gusts up to 27 knots. Mostly cloudy. A slight chance of waterspouts in the morning. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. $$ LSZ248-030800- Huron Islands to Marquette MI- 502 PM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING... .LATE THIS AFTERNOON...South wind 10 to 15 knots. Partly cloudy with a slight chance of showers and thunderstorms. Waves calm to 1 foot building to 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots veering west 10 to 20 knots late. A chance of showers and thunderstorms through late evening, then showers likely and a chance of thunderstorms by midnight. Waves building to 2 to 4 feet. .WEDNESDAY...Northwest wind 20 to 25 knots. A slight chance of thunderstorms through mid morning. Showers likely through early afternoon, then a chance of showers late. A slight chance of waterspouts late. Waves building to 5 to 8 feet occasionally to 10 feet. .WEDNESDAY NIGHT...Northwest wind 20 to 25 knots. Rain showers likely and a slight chance of thunderstorms. A slight chance of waterspouts. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .THURSDAY...West wind 15 to 25 knots. A slight chance of waterspouts in the morning. Mostly cloudy with a chance of rain showers. Waves subsiding to 2 to 3 feet. $$ LSZ249-030800- Marquette to Munising MI- 502 PM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING... .LATE THIS AFTERNOON...South wind 10 to 15 knots. Mostly sunny. Waves calm to 1 foot building to 1 to 2 feet. .TONIGHT...South wind 10 to 15 knots veering southwest late. Partly cloudy through late evening then becoming cloudy. A chance of showers in the evening. A chance of thunderstorms through the night. Showers likely after midnight. Waves 1 to 2 feet. .WEDNESDAY...West wind 15 to 25 knots veering northwest 20 to 25 knots by late morning. Cloudy. A chance of showers and a slight chance of thunderstorms through mid morning, then a chance of showers by late morning. A slight chance of waterspouts late. Waves building to 7 to 10 feet occasionally to 13 feet. .WEDNESDAY NIGHT...Northwest wind 20 to 25 knots backing west after midnight. Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. A slight chance of waterspouts through the night. Waves subsiding to 5 to 8 feet occasionally to 10 feet. .THURSDAY...West wind 10 to 20 knots. A slight chance of waterspouts in the morning. Mostly cloudy with a chance of rain showers. Waves subsiding to 2 to 4 feet. $$ LSZ250-030800- Munising to Grand Marais MI- 502 PM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING... .LATE THIS AFTERNOON...South wind 10 to 15 knots. Sunny. Waves calm to 1 foot building to 1 to 2 feet. .TONIGHT...South wind 15 to 20 knots veering southwest late. Partly cloudy 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. Waves 1 to 2 feet. .WEDNESDAY...West wind 15 to 25 knots veering northwest 20 to 25 knots by late morning. Showers and a chance of thunderstorms through mid morning, then a chance of showers by late morning. Waves building to 7 to 10 feet occasionally to 13 feet. .WEDNESDAY NIGHT...Northwest wind 20 to 25 knots backing west after midnight. Showers likely and a slight chance of thunderstorms. A slight chance of waterspouts. Waves subsiding to 6 to 9 feet occasionally to 11 feet. .THURSDAY...West wind 20 to 25 knots diminishing to 10 to 20 knots in the afternoon. A slight chance of waterspouts in the morning. Mostly cloudy with a chance of showers. Waves subsiding to 3 to 6 feet occasionally to 8 feet. $$ LSZ251-030800- Grand Marais to Whitefish Point MI- 502 PM EDT Tue Sep 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING... .LATE THIS AFTERNOON...South wind 10 to 15 knots. Sunny. Waves calm to 1 foot. .TONIGHT...South wind 10 to 20 knots. Partly cloudy through late evening, then a chance of showers and a slight chance of thunderstorms by midnight. Cloudy with showers and a slight chance of thunderstorms late. Waves building to 2 to 3 feet. .WEDNESDAY...Southwest wind 15 to 25 knots veering west 20 to 25 knots by late morning. Cloudy. Showers and a chance of thunderstorms through mid morning, then a slight chance of thunderstorms by late morning. A chance of showers by late morning. A slight chance of waterspouts by late morning. Waves building to 7 to 10 feet occasionally to 13 feet. .WEDNESDAY NIGHT...Northwest wind 20 to 25 knots backing west after midnight. Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the evening, then showers likely after midnight. A slight chance of waterspouts through the night. Waves subsiding to 6 to 9 feet occasionally to 11 feet. .THURSDAY...West wind 15 to 20 knots with gusts up to 28 knots. Mostly cloudy. A slight chance of waterspouts in the morning. Showers likely in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Waves subsiding to 3 to 6 feet occasionally to 8 feet. $$ WFO MQT