


Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
796 FZUS53 KMQT 040903 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 503 AM EDT Fri Jul 4 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. LMZ221-042000- Green Bay North of line from Cedar River MI to Rock Island Passage- 503 AM EDT Fri Jul 4 2025 .EARLY THIS MORNING...Southeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...South wind 5 to 15 knots. Mostly sunny through mid morning then becoming partly cloudy. A slight chance of showers through mid morning, then a slight chance of showers and thunderstorms by late morning. Waves building to 1 to 2 feet. .TONIGHT...South wind 10 to 15 knots veering southwest late. Partly cloudy. Waves 1 to 2 feet. .SATURDAY...South wind 10 to 20 knots. Partly cloudy. A chance of showers and thunderstorms in the afternoon. Waves building to 2 to 3 feet. .SATURDAY NIGHT...Southwest wind 10 to 20 knots veering west 10 to 15 knots after midnight. Showers and a chance of thunderstorms in the evening, then showers likely and a slight chance of thunderstorms after midnight. Waves subsiding to 1 to 2 feet. $$ LMZ248-250-042000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 503 AM EDT Fri Jul 4 2025 .EARLY THIS MORNING...Southeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...South wind 5 to 15 knots becoming 10 to 15 knots late. Partly cloudy. A slight chance of showers by late morning. A slight chance of showers and thunderstorms late. Waves building to 2 to 3 feet. .TONIGHT...South wind 10 to 15 knots. Partly cloudy then becoming mostly cloudy by midnight then becoming partly cloudy. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .SATURDAY...South wind 10 to 20 knots. Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the afternoon. Waves building to 2 to 4 feet. .SATURDAY NIGHT...Southwest wind 15 to 20 knots diminishing to 10 to 15 knots after midnight. Showers and a chance of thunderstorms in the evening, then showers likely and a slight chance of thunderstorms after midnight. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. $$ LSZ240-241-042000- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 503 AM EDT Fri Jul 4 2025 /403 AM CDT Fri Jul 4 2025/ .EARLY THIS MORNING...South wind 10 to 15 knots. Partly cloudy with a slight chance of showers and thunderstorms. Waves 1 to 2 feet. .TODAY...South wind 5 to 15 knots veering southwest 10 to 15 knots late. Partly cloudy. A chance of showers and thunderstorms through mid morning, then a slight chance of showers and thunderstorms by late morning. Waves calm to 1 foot. .TONIGHT...Southwest wind 10 to 15 knots. Partly cloudy through late evening, then mostly cloudy with a slight chance of showers and thunderstorms by midnight. Waves building to 1 to 2 feet. .SATURDAY...Southwest wind 10 to 15 knots veering west less than 10 knots in the afternoon. Showers likely and a slight chance of thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Cloudy. Showers likely and a chance of thunderstorms in the evening, then a slight chance of showers after midnight. Waves building to 2 to 3 feet. $$ LSZ242-243-042000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 503 AM EDT Fri Jul 4 2025 .EARLY THIS MORNING...South wind 10 to 15 knots. Mostly clear. Haze. Waves 1 to 2 feet. .TODAY...South wind 5 to 15 knots. Partly cloudy. A chance of showers and a slight chance of thunderstorms through early afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots. Partly cloudy through late evening then becoming mostly cloudy. A slight chance of showers and thunderstorms by midnight. Waves building to 1 to 2 feet. .SATURDAY...Southwest wind 10 to 15 knots diminishing to less than 10 knots in the afternoon. Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots with gusts up to 22 knots. Cloudy. Showers likely and a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Waves building to 2 to 4 feet. $$ LSZ244-245-042000- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 503 AM EDT Fri Jul 4 2025 .EARLY THIS MORNING...South wind 10 to 15 knots. Mostly clear. Haze. Waves 1 to 2 feet building to 2 to 3 feet. .TODAY...South wind 10 to 15 knots. Partly cloudy. A slight chance of showers and thunderstorms by late morning. Waves 2 to 3 feet. .TONIGHT...South wind 10 to 15 knots veering southwest by midnight. Mostly cloudy. A slight chance of showers by midnight. Waves subsiding to 1 to 2 feet. .SATURDAY...Southwest wind less than 10 knots with gusts up to 19 knots. Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 10 to 20 knots. Cloudy. Showers likely and a slight chance of thunderstorms in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Waves building to 2 to 4 feet. $$ LSZ246-042000- Point Isabelle to Lower Entrance of Portage Canal MI- 503 AM EDT Fri Jul 4 2025 .EARLY THIS MORNING...Southeast wind less than 10 knots. Mostly clear. Haze. Waves 1 to 2 feet. .TODAY...Southeast wind less than 10 knots with gusts up to 20 knots. Partly cloudy. A slight chance of showers and thunderstorms through early afternoon. Waves 1 to 2 feet. .TONIGHT...South wind less than 10 knots veering southwest by midnight. Gusts up to 20 knots. Partly cloudy through late evening then becoming mostly cloudy. Waves 1 to 2 feet. .SATURDAY...Southwest wind less than 10 knots with gusts up to 20 knots. Cloudy. A chance of showers and thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Waves calm to 1 foot. .SATURDAY NIGHT...Northwest wind less than 10 knots with gusts up to 21 knots. Cloudy. Showers likely and a chance of thunderstorms in the evening, then a chance of showers after midnight. Waves calm to 1 foot. $$ LSZ247-042000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 503 AM EDT Fri Jul 4 2025 .EARLY THIS MORNING...Variable wind less than 10 knots. Mostly clear. Haze. Waves calm to 1 foot. .TODAY...South wind less than 10 knots with gusts up to 20 knots. Partly cloudy. A slight chance of showers and thunderstorms through mid morning, then a chance of showers and a slight chance of thunderstorms by late morning. Waves building to 1 to 2 feet. .TONIGHT...Southwest wind 5 to 15 knots. Partly cloudy through late evening then becoming mostly cloudy. Waves calm to 1 foot. .SATURDAY...Southwest wind less than 10 knots with gusts up to 21 knots. Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Waves calm to 1 foot. .SATURDAY NIGHT...West wind less than 10 knots veering northwest 5 to 15 knots after midnight. Cloudy. Showers and a chance of thunderstorms in the evening, then a chance of showers after midnight. Waves calm to 1 foot. $$ LSZ248-042000- Huron Islands to Marquette MI- 503 AM EDT Fri Jul 4 2025 .EARLY THIS MORNING...South wind 10 to 15 knots. Mostly clear. Haze. Waves 1 to 2 feet. .TODAY...South wind 10 to 15 knots. Partly cloudy. A slight chance of showers and thunderstorms by late morning. Waves 1 to 2 feet. .TONIGHT...South wind 10 to 15 knots veering southwest 5 to 15 knots by midnight. Partly cloudy through late evening then becoming mostly cloudy. Waves 1 to 2 feet. .SATURDAY...Southwest wind less than 10 knots with gusts up to 18 knots. Partly cloudy with a slight chance of showers and thunderstorms in the morning, then cloudy with showers likely and a chance of thunderstorms in the afternoon. Waves calm to 1 foot. .SATURDAY NIGHT...West wind less than 10 knots veering northwest 10 to 15 knots after midnight. Cloudy. Showers and a chance of thunderstorms in the evening, then a chance of showers after midnight. Waves building to 1 to 2 feet. $$ LSZ249-042000- Marquette to Munising MI- 503 AM EDT Fri Jul 4 2025 .EARLY THIS MORNING...South wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...South wind 10 to 15 knots. Mostly sunny through mid morning then becoming partly cloudy. A slight chance of showers and thunderstorms by late morning. Waves building to 1 to 2 feet. .TONIGHT...South wind 10 to 15 knots. Mostly clear through late evening then becoming mostly cloudy. Waves 1 to 2 feet. .SATURDAY...Southwest wind 10 to 15 knots. Partly cloudy in the morning, then cloudy with showers likely and a chance of thunderstorms in the afternoon. Waves calm to 1 foot. .SATURDAY NIGHT...Southwest wind 10 to 15 knots veering northwest after midnight. Cloudy. Showers and a chance of thunderstorms in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Waves building to 1 to 2 feet. $$ LSZ250-042000- Munising to Grand Marais MI- 503 AM EDT Fri Jul 4 2025 .EARLY THIS MORNING...South wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...South wind 10 to 15 knots. Partly cloudy. A slight chance of showers by late morning. Waves building to 1 to 2 feet. .TONIGHT...South wind 10 to 15 knots. Mostly clear through late evening then becoming mostly cloudy. Waves 1 to 2 feet. .SATURDAY...South wind 10 to 15 knots. Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots veering west after midnight. Showers and a chance of thunderstorms in the evening, then showers likely and a slight chance of thunderstorms after midnight. Waves building to 2 to 3 feet. $$ LSZ251-042000- Grand Marais to Whitefish Point MI- 503 AM EDT Fri Jul 4 2025 .EARLY THIS MORNING...South wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...South wind 10 to 15 knots. Mostly sunny. Waves building to 1 to 2 feet. .TONIGHT...South wind 10 to 15 knots. Partly cloudy through late evening then becoming mostly cloudy. Waves 1 to 2 feet. .SATURDAY...South wind 10 to 15 knots. Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots veering west after midnight. Showers and a chance of thunderstorms in the evening, then showers and a slight chance of thunderstorms after midnight. Waves building to 2 to 3 feet. $$ WFO MQT