


Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
580 FZUS53 KMQT 292102 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 PM EDT Fri Aug 29 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. LMZ221-300800- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 PM EDT Fri Aug 29 2025 .LATE THIS AFTERNOON...Southeast wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...South wind less than 10 knots through late evening becoming variable. Clear. Waves calm to 1 foot. .SATURDAY...West wind less than 10 knots backing south late. Mostly sunny. Waves calm to 1 foot. .SATURDAY NIGHT...Southwest wind less than 10 knots in the evening becoming variable. Clear. Waves calm to 1 foot. .SUNDAY...Variable wind less than 10 knots becoming south less than 10 knots in the afternoon. Sunny. Waves calm to 1 foot. $$ LMZ248-250-300800- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 PM EDT Fri Aug 29 2025 .LATE THIS AFTERNOON...South wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .SATURDAY...West wind less than 10 knots backing southwest late. Mostly sunny. Waves calm to 1 foot. .SATURDAY NIGHT...Southwest wind less than 10 knots in the evening becoming variable. Clear. Waves calm to 1 foot. .SUNDAY...Southwest wind less than 10 knots. Sunny. Waves calm to 1 foot. $$ LSZ240-241-300800- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 502 PM EDT Fri Aug 29 2025 /402 PM CDT Fri Aug 29 2025/ .LATE THIS AFTERNOON...Northeast wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots veering southwest late. Clear. Waves calm to 1 foot. .SATURDAY...Southwest wind less than 10 knots veering west by late morning, then backing southwest late. Sunny. Waves calm to 1 foot. .SATURDAY NIGHT...Variable wind less than 10 knots becoming southwest less than 10 knots after midnight. Clear. Waves calm to 1 foot. .SUNDAY...Southwest wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. $$ LSZ242-243-300800- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 502 PM EDT Fri Aug 29 2025 .LATE THIS AFTERNOON...Northeast wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots veering southwest late. Clear. Waves calm to 1 foot. .SATURDAY...Southwest wind 5 to 15 knots. Mostly sunny. Waves building to 1 to 2 feet. .SATURDAY NIGHT...Southwest wind less than 10 knots. Clear. Waves 1 to 2 feet. .SUNDAY...Southwest wind less than 10 knots. Sunny. Waves calm to 1 foot. $$ LSZ244-245-300800- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 502 PM EDT Fri Aug 29 2025 .LATE THIS AFTERNOON...Southeast wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...South wind less than 10 knots veering southwest late. Clear. Waves calm to 1 foot. .SATURDAY...Southwest wind 5 to 15 knots. Mostly sunny. Waves building to 1 to 2 feet. .SATURDAY NIGHT...Southwest wind less than 10 knots. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Southwest wind less than 10 knots. Sunny. Waves calm to 1 foot. $$ LSZ246-300800- Point Isabelle to Lower Entrance of Portage Canal MI- 502 PM EDT Fri Aug 29 2025 .LATE THIS AFTERNOON...East wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots veering west late. Clear. Waves calm to 1 foot. .SATURDAY...Southwest wind less than 10 knots veering west late. Mostly sunny. Waves calm to 1 foot. .SATURDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .SUNDAY...Variable wind less than 10 knots. Gusts up to 13 knots. Sunny. Waves calm to 1 foot. $$ LSZ247-300800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 PM EDT Fri Aug 29 2025 .LATE THIS AFTERNOON...East wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots veering southwest by midnight, then becoming southwest less than 10 knots late. Clear. Waves calm to 1 foot. .SATURDAY...Southwest wind less than 10 knots veering west late. Mostly sunny. Waves calm to 1 foot. .SATURDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .SUNDAY...Variable wind less than 10 knots. Gusts up to 12 knots. Sunny. Waves calm to 1 foot. $$ LSZ248-300800- Huron Islands to Marquette MI- 502 PM EDT Fri Aug 29 2025 .LATE THIS AFTERNOON...East wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots veering west late. Clear. Waves calm to 1 foot. .SATURDAY...Southwest wind less than 10 knots through mid morning becoming variable. Mostly sunny. Waves calm to 1 foot. .SATURDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .SUNDAY...Variable wind less than 10 knots. Gusts up to 12 knots. Sunny. Waves calm to 1 foot. $$ LSZ249-300800- Marquette to Munising MI- 502 PM EDT Fri Aug 29 2025 .LATE THIS AFTERNOON...East wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots veering southwest by midnight. Clear. Waves calm to 1 foot. .SATURDAY...Southwest wind less than 10 knots through mid morning becoming variable. Mostly sunny. Waves calm to 1 foot. .SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .SUNDAY...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. $$ LSZ250-300800- Munising to Grand Marais MI- 502 PM EDT Fri Aug 29 2025 .LATE THIS AFTERNOON...Northeast wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots veering southwest late. Clear. Waves calm to 1 foot. .SATURDAY...Southwest wind less than 10 knots veering west by late morning, then becoming variable late. Mostly sunny. Waves calm to 1 foot. .SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .SUNDAY...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. $$ LSZ251-300800- Grand Marais to Whitefish Point MI- 502 PM EDT Fri Aug 29 2025 .LATE THIS AFTERNOON...North wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots veering southwest by midnight. Clear. Waves calm to 1 foot. .SATURDAY...Southwest wind less than 10 knots through mid morning becoming variable. Mostly sunny. Waves calm to 1 foot. .SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .SUNDAY...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. $$ WFO MQT