210 FZUS53 KMQT 201500 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 1100 AM 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. LMZ221-202000- Green Bay North of line from Cedar River MI to Rock Island Passage- 1100 AM EDT Wed May 20 2026 .REST OF TODAY...North wind less than 10 knots veering northeast late. 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 in the evening then becoming mostly cloudy. Waves calm to 1 foot. $$ LMZ248-250-202000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1100 AM EDT Wed May 20 2026 .REST OF TODAY...North wind 10 to 15 knots. Sunny. Waves calm to 1 foot. .TONIGHT...Northeast wind 5 to 15 knots becoming less than 10 knots late. Clear. Waves calm to 1 foot. .THURSDAY...East wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. .THURSDAY NIGHT...East wind less than 10 knots. Mostly clear in the evening then becoming mostly cloudy. Waves building to 1 to 2 feet. $$ LSZ240-241-202000- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 1100 AM EDT Wed May 20 2026 /1000 AM CDT Wed May 20 2026/ .REST OF TODAY...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots veering south late. Clear. Waves calm to 1 foot. .THURSDAY...Southeast wind less than 10 knots backing northeast in the afternoon. Sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...East wind less than 10 knots veering southeast after midnight. Partly cloudy. Waves 1 to 2 feet. $$ LSZ242-243-202000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1100 AM EDT Wed May 20 2026 .REST OF TODAY...Northwest wind less than 10 knots by late morning becoming variable. Sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots veering south by midnight. Clear. Waves calm to 1 foot. .THURSDAY...South wind less than 10 knots backing northeast in the afternoon. Sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind 10 to 15 knots diminishing to less than 10 knots after midnight. Mostly clear. Waves calm to 1 foot. $$ LSZ244-245-202000- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1100 AM EDT Wed May 20 2026 .REST OF TODAY...Northwest wind less than 10 knots backing west late. Sunny. Waves 1 to 2 feet. .TONIGHT...Southwest wind less than 10 knots backing south late. Clear. Waves calm to 1 foot. .THURSDAY...South wind less than 10 knots backing southeast 10 to 15 knots in the afternoon. Mostly sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 5 to 15 knots. Mostly clear. Waves 1 to 2 feet. $$ LSZ246-202000- Point Isabelle to Lower Entrance of Portage Canal MI- 1100 AM EDT Wed May 20 2026 .REST OF TODAY...North wind less than 10 knots veering east late. Sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots through late evening becoming variable. Clear. Waves calm to 1 foot. .THURSDAY...Southeast wind less than 10 knots backing east 10 to 15 knots in the afternoon. Mostly sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...East wind 5 to 15 knots veering southeast less than 10 knots after midnight. Mostly clear. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. $$ LSZ247-202000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1100 AM EDT Wed May 20 2026 .REST OF TODAY...North wind less than 10 knots veering east late. 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 10 to 15 knots in the afternoon. Sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 5 to 15 knots in the evening becoming variable. Partly cloudy. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. $$ LSZ248-202000- Huron Islands to Marquette MI- 1100 AM EDT Wed May 20 2026 .REST OF TODAY...North wind 10 to 15 knots veering northeast less than 10 knots late. Sunny. Waves 1 to 2 feet. .TONIGHT...Variable wind less than 10 knots becoming south less than 10 knots by midnight. Clear. Waves calm to 1 foot. .THURSDAY...Southeast wind 5 to 15 knots backing east 10 to 15 knots in the afternoon. Sunny. Waves building to 2 to 3 feet. .THURSDAY NIGHT...Southeast wind 5 to 15 knots veering south less than 10 knots after midnight. Partly cloudy. Waves subsiding to 1 to 2 feet. $$ LSZ249-202000- Marquette to Munising MI- 1100 AM EDT Wed May 20 2026 .REST OF TODAY...North wind 5 to 15 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...Southeast wind less than 10 knots backing east 5 to 15 knots in the afternoon. Mostly sunny. Waves building to 1 to 2 feet. .THURSDAY NIGHT...Southeast wind less than 10 knots. Mostly clear. Waves 1 to 2 feet. $$ LSZ250-202000- Munising to Grand Marais MI- 1100 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .REST OF TODAY...Northwest wind 5 to 15 knots. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet. .TONIGHT...Northwest wind less than 10 knots through late evening becoming variable. Clear. Waves 1 to 2 feet. .THURSDAY...Southeast wind less than 10 knots backing east in the afternoon. Sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. $$ LSZ251-202000- Grand Marais to Whitefish Point MI- 1100 AM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .REST OF TODAY...Northwest wind 10 to 15 knots. Mostly sunny. Waves 2 to 4 feet subsiding to 2 to 3 feet. .TONIGHT...Northwest wind 5 to 15 knots through midnight becoming variable. Clear. Waves subsiding to 1 to 2 feet. .THURSDAY...Southeast wind less than 10 knots backing northeast in the afternoon. Sunny. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots. Mostly clear. Waves calm to 1 foot. $$ WFO MQT  119 FZUS53 KDLH 201517 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1017 AM CDT Wed May 20 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-202200- Grand Portage to Grand Marais MN- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...South wind 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots easing to 5 knots after midnight, then becoming west early in the morning. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Southeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming northeast after midnight. Partly cloudy. Waves 1 to 2 feet. $$ LSZ141-202200- Grand Marais to Taconite Harbor MN- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...South wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming east in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. $$ LSZ142-202200- Taconite Harbor to Silver Bay Harbor MN- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...South wind 5 knots. Partly sunny in the late morning and early afternoon then clearing. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ143-202200- Silver Bay Harbor to Two Harbors MN- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...South wind 5 knots becoming southeast late. Partly sunny in the late morning and early afternoon then clearing. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ144-202200- Two Harbors to Duluth MN- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...South wind 5 knots becoming southeast in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. $$ LSZ145-202200- Duluth MN to Port Wing WI- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...Southwest wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots easing to 5 knots after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. $$ LSZ146-202200- Port Wing to Sand Island WI- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...South wind 5 knots late in the morning becoming variable 10 knots or less, then becoming east 5 knots late. Sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots in the evening becoming variable 10 knots or less, then becoming northeast 5 knots early in the morning. Mostly clear. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ147-202200- Sand Island to Bayfield WI- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...Southeast wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming east in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots until early morning becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ150-202200- Outer Apostle Islands Beyond 5 NM from Mainland- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...Southeast wind 5 knots. Sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming southeast after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. $$ LSZ121-202200- Chequamegon Bay-Bayfield to Oak Point WI- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming southeast after midnight, then becoming variable 10 knots or less early in the morning. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ148-202200- Oak Point to Saxon Harbor WI- 1017 AM CDT Wed May 20 2026 .REST OF TODAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming south after midnight. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming northeast in the afternoon. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming south after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH