208 FZUS53 KMQT 152102 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 PM EDT Wed Apr 15 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. LMZ221-160800- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 PM EDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly cloudy with a slight chance of rain showers. Patchy dense fog. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Cloudy. A chance of rain showers through late evening, then a slight chance of rain showers by midnight. Areas of dense fog through the night. Waves calm to 1 foot. .THURSDAY...North wind less than 10 knots through early afternoon becoming variable. Cloudy through mid morning then becoming partly cloudy. A slight chance of rain showers through mid morning. Areas of dense fog through mid morning. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots. Mostly clear in the evening then becoming mostly cloudy. Waves calm to 1 foot. .FRIDAY...Southeast wind 5 to 15 knots. Mostly cloudy. Waves building to 1 to 2 feet. $$ LMZ248-250-160800- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 PM EDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly cloudy with a slight chance of rain showers. Patchy dense fog. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots becoming north less than 10 knots late. Cloudy. A chance of rain showers through late evening, then a slight chance of rain showers by midnight. Areas of dense fog through the night. Waves calm to 1 foot. .THURSDAY...North wind less than 10 knots through early afternoon becoming variable. Mostly cloudy. A slight chance of rain showers through mid morning. Areas of dense fog through mid morning. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots. Partly cloudy. Waves calm to 1 foot. .FRIDAY...Southeast wind 5 to 15 knots. Mostly cloudy. Waves building to 2 to 3 feet. $$ LSZ240-241-160800- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 502 PM EDT Wed Apr 15 2026 /402 PM CDT Wed Apr 15 2026/ ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT /10 AM CDT/ THURSDAY... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly cloudy. Patchy dense fog. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Partly cloudy through midnight then becoming mostly cloudy. Areas of dense fog through the night. Waves calm to 1 foot. .THURSDAY...Variable wind less than 10 knots becoming northeast less than 10 knots late. Mostly cloudy through mid morning then becoming mostly sunny. Areas of dense fog through mid morning, then patchy fog by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots veering south 10 to 15 knots after midnight. Gusts up to 24 knots. Mostly clear. Waves calm to 1 foot. .FRIDAY...South wind 10 to 15 knots with gusts up to 24 knots. Mostly cloudy. Showers likely and a chance of thunderstorms in the afternoon. Waves building to 1 to 2 feet. $$ LSZ242-243-160800- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 502 PM EDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly cloudy. Patchy dense fog. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Partly cloudy through late evening then becoming mostly cloudy. Areas of dense fog. Waves calm to 1 foot. .THURSDAY...Variable wind less than 10 knots becoming northeast less than 10 knots late. Partly cloudy. Areas of dense fog through mid morning, then patchy fog by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind 10 to 15 knots. Clear in the evening then becoming partly cloudy. Waves calm to 1 foot. .FRIDAY...South wind 10 to 15 knots with gusts up to 24 knots. Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the afternoon. Waves building to 1 to 2 feet. $$ LSZ244-245-160800- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 502 PM EDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly cloudy. Patchy dense fog. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Mostly cloudy. Areas of dense fog. Waves calm to 1 foot. .THURSDAY...Variable wind less than 10 knots becoming east less than 10 knots late. Partly cloudy. Areas of dense fog through mid morning, then patchy fog by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind 10 to 20 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves building to 1 to 2 feet. .FRIDAY...Southeast wind 15 to 25 knots with gale force gusts up to 35 knots. Mostly cloudy. A slight chance of rain showers in the afternoon. Waves building to 3 to 6 feet occasionally to 8 feet. $$ LSZ246-160800- Point Isabelle to Lower Entrance of Portage Canal MI- 502 PM EDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly cloudy. Patchy dense fog. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Mostly cloudy. Areas of dense fog. Waves calm to 1 foot. .THURSDAY...Variable wind less than 10 knots becoming east less than 10 knots late. Partly cloudy. Areas of dense fog through mid morning, then patchy fog by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...East wind less than 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the evening. Waves building to 1 to 2 feet. .FRIDAY...Southeast wind 10 to 20 knots with gusts up to 28 knots. Mostly cloudy. A chance of rain showers in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet. $$ LSZ247-160800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 PM EDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly cloudy. Patchy dense fog. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Mostly cloudy. Areas of dense fog through the night. Waves calm to 1 foot. .THURSDAY...East wind less than 10 knots. Partly cloudy. Areas of dense fog through mid morning, then patchy fog by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...East wind 5 to 15 knots veering southeast less than 10 knots after midnight. Partly cloudy. Waves calm to 1 foot. .FRIDAY...South wind 5 to 15 knots increasing to 15 to 20 knots in the afternoon. Gusts up to 28 knots. Mostly cloudy. A chance of rain showers in the afternoon. Waves building to 2 to 3 feet. $$ LSZ248-160800- Huron Islands to Marquette MI- 502 PM EDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly cloudy. Patchy dense fog. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Mostly cloudy. A slight chance of rain showers through late evening. Areas of dense fog through the night. Waves calm to 1 foot. .THURSDAY...Variable wind less than 10 knots becoming east less than 10 knots late. Mostly cloudy through early afternoon then becoming mostly sunny. Areas of dense fog through mid morning, then patchy fog by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind 5 to 15 knots. Mostly clear. Patchy fog in the evening. Waves building to 1 to 2 feet. .FRIDAY...South wind 15 to 25 knots with gale force gusts up to 34 knots. Mostly cloudy. A slight chance of rain showers in the afternoon. Waves building to 2 to 4 feet. $$ LSZ249-160800- Marquette to Munising MI- 502 PM EDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY... .LATE THIS AFTERNOON...North wind less than 10 knots. Mostly cloudy. Patchy dense fog. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots becoming northwest less than 10 knots late. Cloudy. A slight chance of rain showers through late evening. Areas of dense fog through the night. Waves calm to 1 foot. .THURSDAY...North wind less than 10 knots through early afternoon becoming variable. Partly cloudy. Areas of dense fog through mid morning, then patchy fog by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...Southeast wind less than 10 knots veering south 5 to 15 knots after midnight. Mostly clear. Waves calm to 1 foot. .FRIDAY...South wind 10 to 20 knots increasing to 20 to 25 knots in the afternoon. Gusts up to 33 knots. Mostly cloudy. Waves building to 2 to 4 feet. $$ LSZ250-160800- Munising to Grand Marais MI- 502 PM EDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly cloudy. Areas of dense fog. Waves calm to 1 foot. .TONIGHT...Northwest wind less than 10 knots. Cloudy. A slight chance of rain showers through late evening. Areas of dense fog through the night. Waves calm to 1 foot. .THURSDAY...North wind less than 10 knots backing northwest by late morning, then becoming variable late. Mostly cloudy. Areas of dense fog through mid morning. Waves calm to 1 foot. .THURSDAY NIGHT...East wind less than 10 knots veering southeast 5 to 15 knots after midnight. Partly cloudy. Waves calm to 1 foot. .FRIDAY...South wind 15 to 25 knots. Partly cloudy. Waves building to 2 to 3 feet. $$ LSZ251-160800- Grand Marais to Whitefish Point MI- 502 PM EDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY... .LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly cloudy. Patchy dense fog. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots becoming northwest less than 10 knots late. Cloudy with a slight chance of rain showers. Areas of dense fog. Waves calm to 1 foot. .THURSDAY...Northwest wind less than 10 knots. Mostly cloudy. Areas of dense fog through mid morning, then patchy fog by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...North wind less than 10 knots veering southeast after midnight. Partly cloudy. Waves calm to 1 foot. .FRIDAY...Southeast wind 10 to 20 knots. Partly cloudy. Waves building to 2 to 3 feet. $$ WFO MQT  506 FZUS53 KDLH 152128 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 428 PM CDT Wed Apr 15 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-160400- Grand Portage to Grand Marais MN- 428 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots becoming west after midnight. Patchy fog in the evening, then areas of dense fog after midnight. Waves 1 foot or less. .THURSDAY...Southwest wind 5 knots becoming south late in the afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Slight chance of rain after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the morning then 20 knots late in the afternoon. Rain likely and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-160400- Grand Marais to Taconite Harbor MN- 428 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Patchy fog in the evening, then areas of dense fog after midnight. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming south 5 knots in the late morning and early afternoon, then becoming east late in the afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Patchy fog in the evening. Slight chance of rain after midnight. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming north late in the afternoon. Rain likely and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-160400- Taconite Harbor to Silver Bay Harbor MN- 428 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Variable winds 10 knots or less. Patchy fog in the evening. Areas of dense fog after midnight, then widespread dense fog late in the night. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Patchy dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Patchy fog in the evening. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Rain likely and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-160400- Silver Bay Harbor to Two Harbors MN- 428 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Patchy fog in the evening. Areas of dense fog after midnight, then widespread dense fog late in the night. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 10 to 15 knots. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening then 20 knots early in the morning. Patchy fog in the evening. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots. Rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-160400- Two Harbors to Duluth MN- 428 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Patchy fog late in the evening. Widespread dense fog after midnight. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 10 to 15 knots. Widespread dense fog in the morning. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Patchy fog in the evening. Waves 1 to 2 feet. .FRIDAY...Northeast wind 10 to 15 knots becoming north with gusts to around 20 knots late in the afternoon. Slight chance of rain in the morning, then rain and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-160400- Duluth MN to Port Wing WI- 428 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Patchy fog late in the evening. Areas of dense fog after midnight, then widespread dense fog late in the night. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots. Widespread dense fog in the morning. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Patchy fog in the evening. Waves 1 to 2 feet. .FRIDAY...Northeast wind 5 to 10 knots becoming north 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of rain in the morning, then rain and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-160400- Port Wing to Sand Island WI- 428 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Patchy fog late in the evening. Areas of dense fog after midnight. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 10 to 15 knots. Areas of dense fog in the morning. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...Northeast wind 5 to 10 knots becoming north late in the afternoon. Rain and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-160400- Sand Island to Bayfield WI- 428 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Patchy fog late in the evening. Areas of dense fog after midnight, then widespread dense fog late in the night. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...East wind 5 to 10 knots becoming northwest late in the afternoon. Rain likely and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-160400- Outer Apostle Islands Beyond 5 NM from Mainland- 428 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots. Patchy fog in the evening. Areas of dense fog after midnight, then widespread dense fog late in the night. Waves 1 foot or less. .THURSDAY...East wind 5 knots rising to 5 to 10 knots. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots. Patchy fog in the evening. Waves 1 to 2 feet. .FRIDAY...East wind 5 to 10 knots with gusts to around 20 knots becoming north 10 to 15 knots with gusts to around 20 knots late in the afternoon. Rain likely and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-160400- Oak Point to Saxon Harbor WI- 428 PM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Patchy fog late in the evening. Widespread dense fog after midnight. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Widespread dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots becoming southeast with gusts to around 20 knots after midnight, then becoming south 10 to 15 knots with gusts to around 25 knots early in the morning. Partly cloudy. Waves 1 foot or less. .FRIDAY...South wind 10 to 15 knots with gusts to around 25 knots becoming southwest with gusts to around 20 knots late in the afternoon. Rain likely and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH