FZUS53 KMQT 190302 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 1102 PM EDT Mon May 18 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. LMZ221-190800- Green Bay North of line from Cedar River MI to Rock Island Passage- 1102 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EDT TUESDAY... .REST OF TONIGHT...Southeast wind 10 to 15 knots veering south late. Gusts up to 23 knots. Cloudy. A slight chance of showers and thunderstorms by midnight, then showers likely and a chance of thunderstorms late. Areas of dense fog through the night. Waves 1 to 2 feet building to 2 to 3 feet. .TUESDAY...South wind 15 to 20 knots veering northwest 10 to 15 knots late. Cloudy through early afternoon then becoming partly cloudy. A chance of showers and a slight chance of thunderstorms through mid morning, then a slight chance of showers by late morning. Areas of dense fog through early afternoon. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. .WEDNESDAY...North wind 10 to 15 knots veering northeast less than 10 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. $$ LMZ248-250-190800- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1102 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TONIGHT...Southeast wind 10 to 15 knots veering south 15 to 20 knots late. Cloudy. A slight chance of showers and thunderstorms by midnight, then a chance of showers and a slight chance of thunderstorms late. Areas of dense fog through the night. Waves 2 to 3 feet building to 3 to 5 feet occasionally to 7 feet. .TUESDAY...Southwest wind 15 to 20 knots veering northwest late. Gusts up to 27 knots. Cloudy through early afternoon then becoming partly cloudy. Areas of dense fog through early afternoon. A chance of showers and a slight chance of thunderstorms through mid morning, then a slight chance of showers by late morning. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts up to 22 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind 10 to 15 knots veering north 5 to 15 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. $$ LSZ240-190800- Saxon Harbor WI to Black River MI- 1102 PM EDT Mon May 18 2026 /1002 PM CDT Mon May 18 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT /4 AM CDT/ TUESDAY THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 10 to 15 knots backing north less than 10 knots late. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 2 to 3 feet building to 2 to 4 feet. .TUESDAY...Northwest wind less than 10 knots backing west 10 to 15 knots by late morning. Cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 3 feet. .TUESDAY NIGHT...Northwest wind 5 to 15 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. $$ LSZ241-190800- Black River to Ontonagon MI- 1102 PM EDT Mon May 18 2026 /1002 PM CDT Mon May 18 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM EDT /2 AM CDT/ TUESDAY THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 10 to 15 knots backing north late. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet. .TUESDAY...Northwest wind 10 to 15 knots backing west 10 to 20 knots by late morning. Mostly cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves subsiding to 2 to 4 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots diminishing to less than 10 knots after midnight. Partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots in the morning becoming variable. Sunny. Waves 1 to 2 feet. $$ LSZ242-243-190800- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1102 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT TUESDAY THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 10 to 15 knots. Rain showers and a chance of thunderstorms by midnight, then a chance of showers and thunderstorms late. Patchy fog through the night. Waves 2 to 3 feet building to 2 to 4 feet. .TUESDAY...Northwest wind 15 to 20 knots backing west 10 to 20 knots by late morning. Cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy in the evening then becoming mostly clear. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots backing southwest in the afternoon. Sunny. Waves 1 to 2 feet. $$ LSZ245-190800- Manitou Island to Point Isabelle MI- 1102 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT TUESDAY THROUGH TUESDAY EVENING... .REST OF TONIGHT...East wind less than 10 knots increasing to 10 to 15 knots late. Cloudy with rain showers and a chance of thunderstorms. Areas of dense fog. Waves 2 to 3 feet. .TUESDAY...Northwest wind 10 to 20 knots with gusts up to 27 knots. Mostly cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 2 to 4 feet. .TUESDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear. Waves subsiding to 2 to 3 feet. .WEDNESDAY...Northwest wind 5 to 15 knots backing west less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. $$ LSZ244-190800- Eagle River to Manitou Island MI- 1102 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TONIGHT...East wind 10 to 15 knots. Cloudy with rain showers and a chance of thunderstorms. Areas of dense fog. Waves 2 to 3 feet building to 2 to 4 feet. .TUESDAY...Northwest wind 15 to 20 knots with gusts up to 27 knots. Mostly cloudy. A chance of rain showers through mid morning. Patchy dense fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .TUESDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .WEDNESDAY...Northwest wind 5 to 15 knots backing west less than 10 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. $$ LSZ246-190800- Point Isabelle to Lower Entrance of Portage Canal MI- 1102 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... .REST OF TONIGHT...Northeast wind 5 to 15 knots. Cloudy with rain showers and a chance of thunderstorms. Patchy dense fog. Waves calm to 1 foot building to 1 to 2 feet. .TUESDAY...West wind 10 to 20 knots. Cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy in the evening then clearing. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots veering northeast in the afternoon. Mostly sunny. Waves calm to 1 foot. $$ LSZ247-190800- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1102 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... .REST OF TONIGHT...Northeast wind 5 to 15 knots. Cloudy. Rain showers and a chance of thunderstorms by midnight, then a chance of showers and thunderstorms late. Patchy dense fog through the night. Waves calm to 1 foot building to 1 to 2 feet. .TUESDAY...West wind 10 to 20 knots. Mostly cloudy. A chance of rain showers through mid morning. Patchy fog through mid morning. Waves building to 2 to 3 feet. .TUESDAY NIGHT...Northwest wind 10 to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves subsiding to 1 to 2 feet. .WEDNESDAY...Northwest wind less than 10 knots in the morning becoming variable. Mostly sunny. Waves calm to 1 foot. $$ LSZ248-190800- Huron Islands to Marquette MI- 1102 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT TUESDAY THROUGH TUESDAY EVENING... .REST OF TONIGHT...East wind less than 10 knots veering southeast 5 to 15 knots late. Cloudy. A chance of thunderstorms and a slight chance of rain showers by midnight, then rain showers likely and a chance of thunderstorms late. Areas of dense fog through the night. Waves calm to 1 foot building to 1 to 2 feet. .TUESDAY...West wind 10 to 20 knots veering northwest 15 to 25 knots by late morning. Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms through mid morning. Patchy fog through mid morning. Waves building to 3 to 5 feet occasionally to 7 feet. .TUESDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy in the evening then clearing. Waves subsiding to 2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet. .WEDNESDAY...Northwest wind 10 to 15 knots veering northeast less than 10 knots in the afternoon. Mostly sunny. Waves subsiding to 1 to 2 feet. $$ LSZ249-190800- Marquette to Munising MI- 1102 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT TUESDAY THROUGH TUESDAY EVENING... .REST OF TONIGHT...East wind less than 10 knots veering south 10 to 15 knots late. Cloudy. A slight chance of showers and thunderstorms by midnight, then a chance of showers and thunderstorms late. Areas of dense fog through the night. Waves calm to 1 foot building to 1 to 2 feet. .TUESDAY...Southwest wind 15 to 20 knots veering northwest 20 to 25 knots by late morning. Mostly cloudy. Patchy fog through mid morning. A chance of rain showers and a slight chance of thunderstorms through mid morning, then a chance of rain showers by late morning. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .TUESDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 6 feet occasionally to 8 feet. .WEDNESDAY...Northwest wind 15 to 20 knots veering north 5 to 15 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. $$ LSZ250-190800- Munising to Grand Marais MI- 1102 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT TUESDAY THROUGH TUESDAY EVENING... .REST OF TONIGHT...East wind less than 10 knots veering south 10 to 15 knots late. Gusts up to 23 knots after midnight. Cloudy. Areas of dense fog through the night. A chance of rain showers and a slight chance of thunderstorms late. Waves calm to 1 foot building to 1 to 2 feet. .TUESDAY...Southwest wind 15 to 20 knots veering northwest 20 to 25 knots late. Gusts up to 32 knots. Mostly cloudy. Patchy fog through mid morning. A chance of rain showers and a slight chance of thunderstorms through mid morning, then a chance of rain showers by late morning. Waves building to 5 to 8 feet occasionally to 10 feet. .TUESDAY NIGHT...Northwest wind 15 to 20 knots with gusts up to 27 knots. Mostly cloudy. Waves subsiding to 3 to 6 feet occasionally to 8 feet, then building to 4 to 7 feet occasionally to 9 feet. .WEDNESDAY...Northwest wind 15 to 20 knots diminishing to 5 to 15 knots in the afternoon. Partly cloudy in the morning then clearing. Waves subsiding to 2 to 3 feet. $$ LSZ251-190800- Grand Marais to Whitefish Point MI- 1102 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT TUESDAY THROUGH TUESDAY EVENING... .REST OF TONIGHT...Southeast wind less than 10 knots increasing to 10 to 20 knots late. Cloudy. Areas of dense fog through the night. A chance of showers and thunderstorms late. Waves calm to 1 foot building to 1 to 2 feet. .TUESDAY...South wind 15 to 20 knots veering west 20 to 25 knots late. Gusts up to 32 knots. Mostly cloudy. Patchy fog through early afternoon. A slight chance of showers and thunderstorms through mid morning, then a slight chance of rain showers by late morning. Waves building to 5 to 8 feet occasionally to 10 feet. .TUESDAY NIGHT...Northwest wind 20 to 25 knots. Partly cloudy. Waves subsiding to 4 to 7 feet occasionally to 9 feet, then building to 5 to 8 feet occasionally to 10 feet. .WEDNESDAY...Northwest wind 10 to 20 knots. Partly cloudy in the morning then clearing. Waves subsiding to 2 to 4 feet. $$ WFO MQT