


Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
459 FZUS53 KMQT 160903 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 AM EDT Wed Jul 16 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. LMZ221-162000- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 AM EDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... ...Small craft should exercise caution from this afternoon through this evening... .EARLY THIS MORNING...Northwest wind less than 10 knots. Mostly cloudy with a slight chance of showers and thunderstorms. Waves calm to 1 foot. .TODAY...North wind 10 to 20 knots. Mostly cloudy. A slight chance of showers and thunderstorms through mid morning. A slight chance of showers and thunderstorms late. Waves building to 2 to 4 feet. .TONIGHT...North wind 15 to 25 knots. Cloudy. A chance of showers and thunderstorms through midnight, then a chance of showers and a slight chance of thunderstorms late. Waves building to 3 to 5 feet occasionally to 7 feet. .THURSDAY...North wind 15 to 25 knots diminishing to 10 to 15 knots in the afternoon. Partly cloudy in the morning then clearing. Waves subsiding to 1 to 2 feet. .THURSDAY NIGHT...North wind less than 10 knots in the evening becoming variable. Clear. Waves 1 to 2 feet. $$ LMZ248-250-162000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 AM EDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... .EARLY THIS MORNING...Northwest wind less than 10 knots. Mostly cloudy. Waves 1 to 2 feet. .TODAY...North wind 10 to 20 knots. Mostly cloudy. A slight chance of showers through mid morning. A slight chance of showers and thunderstorms late. Waves building to 2 to 3 feet. .TONIGHT...North wind 15 to 25 knots. Cloudy with a chance of showers and thunderstorms. Waves building to 3 to 5 feet occasionally to 7 feet. .THURSDAY...North wind 15 to 25 knots diminishing to 10 to 15 knots in the afternoon. Partly cloudy with a slight chance of showers in the morning, then sunny in the afternoon. Waves subsiding to 1 to 2 feet. .THURSDAY NIGHT...North wind less than 10 knots. Clear. Waves 1 to 2 feet. $$ LSZ240-241-162000- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 502 AM EDT Wed Jul 16 2025 /402 AM CDT Wed Jul 16 2025/ ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...Northeast wind 15 to 20 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Waves 2 to 3 feet building to 2 to 4 feet. .TODAY...Northeast wind 15 to 20 knots. A chance of showers through mid morning, then showers likely by late morning. A chance of showers late. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .TONIGHT...Northeast wind 10 to 15 knots backing northwest less than 10 knots late. Cloudy with a chance of showers. Waves subsiding to 1 to 2 feet. .THURSDAY...West wind less than 10 knots. Sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ243-162000- Upper Entrance of Portage Canal to Eagle River MI- 502 AM EDT Wed Jul 16 2025 .EARLY THIS MORNING...Northeast wind 10 to 15 knots. Cloudy with a chance of showers. Waves 2 to 3 feet. .TODAY...Northeast wind 5 to 15 knots. Cloudy. A chance of showers through mid morning, then showers likely by late morning. A chance of showers late. Waves building to 2 to 4 feet, then subsiding to 1 to 2 feet. .TONIGHT...Northeast wind less than 10 knots backing north by midnight. Cloudy with a chance of showers. Waves 1 to 2 feet. .THURSDAY...Northwest wind less than 10 knots backing west in the afternoon. Sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Southwest wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ242-162000- Ontonagon to Upper Entrance of Portage Canal MI- 502 AM EDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...Northeast wind 10 to 15 knots. Cloudy with a chance of showers. Waves 2 to 3 feet building to 2 to 4 feet. .TODAY...Northeast wind 10 to 20 knots. A chance of showers through mid morning, then showers likely by late morning. A chance of showers late. Waves subsiding to 2 to 3 feet. .TONIGHT...Northeast wind less than 10 knots backing north late. Cloudy with a chance of showers. Waves subsiding to 1 to 2 feet. .THURSDAY...Northwest wind less than 10 knots backing west in the afternoon. Sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Southwest wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ245-162000- Manitou Island to Point Isabelle MI- 502 AM EDT Wed Jul 16 2025 .EARLY THIS MORNING...North wind 15 to 20 knots. Cloudy with a chance of showers. Waves 2 to 3 feet building to 2 to 4 feet. .TODAY...Northeast wind 10 to 20 knots. Cloudy. A slight chance of showers through mid morning, then showers likely by late morning. A chance of showers late. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 3 feet. .TONIGHT...Northeast wind less than 10 knots backing north 10 to 15 knots by midnight. Cloudy with a chance of showers. Waves subsiding to 1 to 2 feet. .THURSDAY...North wind less than 10 knots backing west in the afternoon. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ244-162000- Eagle River to Manitou Island MI- 502 AM EDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .EARLY THIS MORNING...North wind 15 to 20 knots. Cloudy with a chance of showers. Waves 2 to 3 feet building to 2 to 4 feet. .TODAY...Northeast wind 10 to 20 knots. Cloudy with a chance of showers. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 1 to 2 feet. .TONIGHT...Northeast wind less than 10 knots backing north 5 to 15 knots by midnight. Cloudy. A slight chance of showers through late evening, then a chance of showers by midnight. Waves 1 to 2 feet. .THURSDAY...Northwest wind less than 10 knots backing west in the afternoon. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ246-162000- Point Isabelle to Lower Entrance of Portage Canal MI- 502 AM EDT Wed Jul 16 2025 .EARLY THIS MORNING...North wind 10 to 15 knots. Cloudy with a chance of showers. Waves 1 to 2 feet. .TODAY...Northeast wind 5 to 15 knots. Cloudy. A chance of showers through mid morning, then showers likely by late morning. A chance of showers late. Waves 1 to 2 feet. .TONIGHT...Northeast wind less than 10 knots backing north by midnight. Cloudy. A chance of showers through midnight, then showers likely late. Waves 1 to 2 feet. .THURSDAY...North wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ247-162000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 AM EDT Wed Jul 16 2025 .EARLY THIS MORNING...Northeast wind 10 to 15 knots. Cloudy with a chance of showers. Waves 1 to 2 feet. .TODAY...Northeast wind 10 to 15 knots. Cloudy. A chance of showers through early afternoon, then showers likely late. Waves building to 2 to 4 feet, then subsiding to 1 to 2 feet. .TONIGHT...Northeast wind less than 10 knots backing north by midnight. Cloudy with a chance of showers. Waves 1 to 2 feet. .THURSDAY...North wind less than 10 knots in the morning becoming variable. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ248-162000- Huron Islands to Marquette MI- 502 AM EDT Wed Jul 16 2025 .EARLY THIS MORNING...North wind 10 to 15 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Waves 1 to 2 feet building to 2 to 3 feet. .TODAY...North wind 10 to 15 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Waves building to 2 to 4 feet. .TONIGHT...North wind 10 to 20 knots. Cloudy with a chance of showers. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. .THURSDAY...Northwest wind 5 to 15 knots. Sunny. Waves subsiding to 1 to 2 feet. .THURSDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ249-162000- Marquette to Munising MI- 502 AM EDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... .EARLY THIS MORNING...Northwest wind 10 to 15 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Waves calm to 1 foot building to 1 to 2 feet. .TODAY...North wind 10 to 15 knots. Cloudy. A slight chance of showers and thunderstorms through early afternoon, then a chance of showers and a slight chance of thunderstorms late. Waves building to 2 to 4 feet. .TONIGHT...North wind 10 to 20 knots. Cloudy. A slight chance of thunderstorms through late evening. A chance of showers through midnight, then showers likely late. Waves building to 3 to 6 feet occasionally to 8 feet. .THURSDAY...North wind 10 to 20 knots backing northwest 5 to 15 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. .THURSDAY NIGHT...West wind less than 10 knots in the evening becoming variable. Clear. Waves 1 to 2 feet. $$ LSZ250-162000- Munising to Grand Marais MI- 502 AM EDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... .EARLY THIS MORNING...Northwest wind less than 10 knots. Cloudy with a slight chance of showers. Waves calm to 1 foot. .TODAY...North wind 10 to 15 knots. Cloudy. A slight chance of showers and thunderstorms through early afternoon, then a chance of showers and a slight chance of thunderstorms late. Waves building to 2 to 4 feet. .TONIGHT...Northeast wind 15 to 20 knots. Cloudy. A chance of showers and a slight chance of thunderstorms through late evening, then a chance of showers by midnight. Waves building to 3 to 6 feet occasionally to 8 feet. .THURSDAY...North wind 15 to 20 knots backing northwest 10 to 15 knots in the afternoon. Sunny. A slight chance of showers in the morning. Waves subsiding to 1 to 2 feet. .THURSDAY NIGHT...West wind less than 10 knots in the evening becoming variable. Clear. Waves 1 to 2 feet. $$ LSZ251-162000- Grand Marais to Whitefish Point MI- 502 AM EDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... .EARLY THIS MORNING...Northwest wind less than 10 knots. Cloudy with a slight chance of showers. Waves calm to 1 foot. .TODAY...Northwest wind less than 10 knots veering north 10 to 15 knots by late morning. Cloudy. A slight chance of thunderstorms through mid morning. A slight chance of showers through the day. A slight chance of thunderstorms late. Waves building to 2 to 4 feet. .TONIGHT...Northeast wind 15 to 25 knots. Cloudy. A chance of showers and a slight chance of thunderstorms through midnight, then showers likely late. Waves building to 3 to 6 feet occasionally to 8 feet. .THURSDAY...North wind 15 to 25 knots backing northwest 10 to 15 knots in the afternoon. Partly cloudy with a slight chance of showers in the morning, then sunny in the afternoon. Waves subsiding to 2 to 3 feet. .THURSDAY NIGHT...West wind 5 to 15 knots backing southwest less than 10 knots after midnight. Clear. Waves subsiding to 1 to 2 feet. $$ WFO MQT