


Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
547 FZUS53 KMQT 140301 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 1101 PM EDT Wed Aug 13 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. LMZ221-140800- Green Bay North of line from Cedar River MI to Rock Island Passage- 1101 PM EDT Wed Aug 13 2025 .REST OF TONIGHT...Northeast wind 5 to 15 knots. Partly cloudy. Waves calm to 1 foot. .THURSDAY...Northeast wind less than 10 knots veering southeast late. Sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots veering south after midnight. Mostly clear. Waves calm to 1 foot. .FRIDAY...South wind 10 to 15 knots. Sunny. Waves building to 1 to 2 feet. $$ LMZ248-250-140800- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1101 PM EDT Wed Aug 13 2025 .REST OF TONIGHT...North wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .THURSDAY...Northeast wind less than 10 knots through mid morning becoming variable. Mostly sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots veering south after midnight. Mostly clear. Waves calm to 1 foot. .FRIDAY...South wind 10 to 15 knots. Sunny. Waves building to 1 to 2 feet. $$ LSZ240-241-140800- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 1101 PM EDT Wed Aug 13 2025 /1001 PM CDT Wed Aug 13 2025/ .REST OF TONIGHT...East wind less than 10 knots veering southeast late. Clear. Waves calm to 1 foot. .THURSDAY...Southeast wind less than 10 knots backing east by late morning. Mostly sunny. Waves calm to 1 foot. .THURSDAY NIGHT...South wind less than 10 knots increasing to 10 to 15 knots after midnight. Mostly cloudy in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Waves building to 1 to 2 feet. .FRIDAY...Southwest wind 10 to 15 knots diminishing to less than 10 knots in the afternoon. Partly cloudy. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ242-243-140800- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1101 PM EDT Wed Aug 13 2025 .REST OF TONIGHT...East wind less than 10 knots. Clear. Waves calm to 1 foot. .THURSDAY...East wind 5 to 15 knots. Mostly sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 10 to 15 knots veering south after midnight. Gusts up to 22 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .FRIDAY...Southwest wind 10 to 15 knots diminishing to less than 10 knots in the afternoon. Gusts up to 22 knots. Partly cloudy. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ244-245-140800- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1101 PM EDT Wed Aug 13 2025 .REST OF TONIGHT...Northeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .THURSDAY...Southeast wind 5 to 15 knots with gusts up to 22 knots. Mostly sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 10 to 15 knots veering south after midnight. Mostly cloudy. Waves 1 to 2 feet. .FRIDAY...South wind 5 to 15 knots. Partly cloudy. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ246-140800- Point Isabelle to Lower Entrance of Portage Canal MI- 1101 PM EDT Wed Aug 13 2025 .REST OF TONIGHT...Northeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .THURSDAY...East wind 5 to 15 knots with gusts up to 24 knots. Mostly sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 10 to 15 knots veering south less than 10 knots after midnight. Gusts up to 22 knots. Mostly cloudy. Waves 1 to 2 feet. .FRIDAY...South wind less than 10 knots with gusts up to 20 knots. Partly cloudy. Waves calm to 1 foot. $$ LSZ247-140800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1101 PM EDT Wed Aug 13 2025 .REST OF TONIGHT...Northeast wind less than 10 knots veering east late. Mostly clear. Waves calm to 1 foot. .THURSDAY...Southeast wind less than 10 knots backing east 5 to 15 knots by late morning. Gusts up to 25 knots. Mostly sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 5 to 15 knots veering south less than 10 knots after midnight. Gusts up to 22 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...Southwest wind less than 10 knots with gusts up to 21 knots. Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Waves calm to 1 foot. $$ LSZ248-140800- Huron Islands to Marquette MI- 1101 PM EDT Wed Aug 13 2025 .REST OF TONIGHT...North wind less than 10 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...East wind less than 10 knots increasing to 10 to 15 knots late. Gusts up to 24 knots. Mostly sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Southeast wind less than 10 knots veering south after midnight. Gusts up to 21 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...South wind less than 10 knots with gusts up to 17 knots. Mostly sunny. Waves calm to 1 foot. $$ LSZ249-140800- Marquette to Munising MI- 1101 PM EDT Wed Aug 13 2025 .REST OF TONIGHT...North wind less than 10 knots. Mostly clear. Patchy fog late. Waves 1 to 2 feet. .THURSDAY...Northeast wind less than 10 knots veering east late. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Southeast wind less than 10 knots veering south after midnight. Partly cloudy. Waves calm to 1 foot. .FRIDAY...South wind 10 to 15 knots. Mostly sunny. Waves building to 1 to 2 feet. $$ LSZ250-140800- Munising to Grand Marais MI- 1101 PM EDT Wed Aug 13 2025 .REST OF TONIGHT...North wind less than 10 knots. Mostly clear. Patchy fog late. Waves 1 to 2 feet. .THURSDAY...Northeast wind less than 10 knots. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Southeast wind less than 10 knots veering south 10 to 15 knots after midnight. Partly cloudy. Waves calm to 1 foot. .FRIDAY...South wind 10 to 15 knots. Mostly sunny. Waves building to 1 to 2 feet. $$ LSZ251-140800- Grand Marais to Whitefish Point MI- 1101 PM EDT Wed Aug 13 2025 .REST OF TONIGHT...North wind less than 10 knots veering east late. Partly cloudy. Patchy fog late. Waves 1 to 2 feet. .THURSDAY...East wind less than 10 knots. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Southeast wind less than 10 knots veering south 10 to 15 knots after midnight. Partly cloudy. Waves calm to 1 foot. .FRIDAY...South wind 10 to 15 knots. Mostly sunny. Waves building to 1 to 2 feet. $$ WFO MQT