902 FZUS53 KMQT 202102 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 PM EDT Wed May 20 2026 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. LMZ221-210800- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 PM EDT Wed May 20 2026 .LATE THIS AFTERNOON...Northeast wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Northeast wind less than 10 knots. Clear. Waves calm to 1 foot. .THURSDAY...East wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. .THURSDAY NIGHT...East wind less than 10 knots. Mostly clear. Waves building to 1 to 2 feet. .FRIDAY...East wind 10 to 20 knots. Mostly cloudy. Waves building to 2 to 3 feet. $$ LMZ248-250-210800- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 PM EDT Wed May 20 2026 .LATE THIS AFTERNOON...North wind 10 to 15 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Northeast wind less than 10 knots. Clear. Waves calm to 1 foot. .THURSDAY...East wind less than 10 knots. Sunny through mid morning then becoming partly cloudy. Waves calm to 1 foot. .THURSDAY NIGHT...East wind less than 10 knots. Mostly clear. Waves building to 1 to 2 feet. .FRIDAY...East wind 10 to 20 knots. Mostly cloudy. Waves building to 3 to 5 feet occasionally to 7 feet. $$ LSZ240-241-210800- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 502 PM EDT Wed May 20 2026 /402 PM CDT Wed May 20 2026/ .LATE THIS AFTERNOON...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots becoming south less than 10 knots late. Clear. Waves calm to 1 foot. .THURSDAY...South wind less than 10 knots backing northeast by late morning. Mostly sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...East wind less than 10 knots veering southeast after midnight. Mostly clear. Waves 1 to 2 feet. .FRIDAY...East wind 5 to 15 knots. Partly cloudy. Waves building to 2 to 3 feet. $$ LSZ242-243-210800- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 502 PM EDT Wed May 20 2026 .LATE THIS AFTERNOON...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots becoming south less than 10 knots by midnight. Clear. Waves calm to 1 foot. .THURSDAY...South wind less than 10 knots backing northeast by late morning, then becoming northeast less than 10 knots late. Sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind 10 to 15 knots diminishing to less than 10 knots after midnight. Clear in the evening then becoming partly cloudy. Waves calm to 1 foot. .FRIDAY...East wind 5 to 15 knots. Partly cloudy. Waves building to 1 to 2 feet. $$ LSZ244-245-210800- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 502 PM EDT Wed May 20 2026 .LATE THIS AFTERNOON...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .THURSDAY...South wind less than 10 knots backing southeast 5 to 15 knots by late morning. Sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 10 to 15 knots diminishing to less than 10 knots after midnight. Clear in the evening then becoming partly cloudy. Waves 1 to 2 feet. .FRIDAY...Southeast wind 5 to 15 knots backing east 10 to 15 knots in the afternoon. Partly cloudy. Waves building to 2 to 3 feet. $$ LSZ246-210800- Point Isabelle to Lower Entrance of Portage Canal MI- 502 PM EDT Wed May 20 2026 .LATE THIS AFTERNOON...East wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots through late evening becoming variable. Clear. Waves calm to 1 foot. .THURSDAY...South wind less than 10 knots backing east 10 to 15 knots by late morning. Mostly sunny. Waves building to 2 to 3 feet. .THURSDAY NIGHT...East wind 5 to 15 knots veering southeast less than 10 knots after midnight. Clear in the evening then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .FRIDAY...East wind 10 to 20 knots. Partly cloudy. Waves building to 2 to 4 feet. $$ LSZ247-210800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 PM EDT Wed May 20 2026 .LATE THIS AFTERNOON...East wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots through late evening becoming variable. Clear. Waves calm to 1 foot. .THURSDAY...Southeast wind less than 10 knots backing east 5 to 15 knots by late morning. Mostly sunny. Waves building to 2 to 3 feet. .THURSDAY NIGHT...East wind 5 to 15 knots in the evening becoming variable. Clear in the evening then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .FRIDAY...East wind 10 to 20 knots. Partly cloudy. Waves building to 2 to 4 feet. $$ LSZ248-210800- Huron Islands to Marquette MI- 502 PM EDT Wed May 20 2026 .LATE THIS AFTERNOON...Northeast wind less than 10 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. .THURSDAY...Southeast wind less than 10 knots backing east 10 to 15 knots by late morning. Mostly sunny. Waves building to 2 to 3 feet. .THURSDAY NIGHT...Southeast wind 5 to 15 knots veering south less than 10 knots after midnight. Clear in the evening then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .FRIDAY...East wind 5 to 15 knots with gusts up to 24 knots. Partly cloudy. Waves building to 2 to 3 feet. $$ LSZ249-210800- Marquette to Munising MI- 502 PM EDT Wed May 20 2026 .LATE THIS AFTERNOON...North wind less than 10 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...Variable wind less than 10 knots. Clear. Waves 1 to 2 feet. .THURSDAY...Variable wind less than 10 knots becoming east 5 to 15 knots by late morning. Sunny through mid morning then becoming partly cloudy. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Southeast wind less than 10 knots. Mostly clear. Waves 1 to 2 feet. .FRIDAY...Southeast wind less than 10 knots backing east 10 to 15 knots in the afternoon. Partly cloudy. Waves building to 1 to 2 feet. $$ LSZ250-210800- Munising to Grand Marais MI- 502 PM EDT Wed May 20 2026 .LATE THIS AFTERNOON...Northwest wind less than 10 knots. Sunny. Waves 2 to 3 feet subsiding to 1 to 2 feet. .TONIGHT...Variable wind less than 10 knots. Clear. Waves 1 to 2 feet. .THURSDAY...Variable wind less than 10 knots becoming northeast less than 10 knots by late morning, then veering east late. Sunny through mid morning then becoming partly cloudy. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .FRIDAY...East wind 5 to 15 knots. Partly cloudy. Waves building to 1 to 2 feet. $$ LSZ251-210800- Grand Marais to Whitefish Point MI- 502 PM EDT Wed May 20 2026 .LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 4 feet subsiding to 2 to 3 feet. .TONIGHT...Northwest wind less than 10 knots through late evening becoming variable. Clear. Waves subsiding to 1 to 2 feet. .THURSDAY...Variable wind less than 10 knots becoming northeast less than 10 knots by late morning. Mostly sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .FRIDAY...East wind 5 to 15 knots. Partly cloudy. Waves building to 1 to 2 feet. $$ WFO MQT