


Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
661 FZUS53 KDLH 170026 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 726 PM CDT Mon Jun 16 2025 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. LSZ140-141-171015- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 726 PM CDT Mon Jun 16 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots with gusts to around 20 knots toward daybreak. Patchy dense fog in the evening. Areas of dense fog after midnight, then patchy dense fog toward daybreak. Thunderstorms likely in the evening. Rain showers through the night. Chance of thunderstorms after midnight. Waves 1 to 3 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots. Patchy dense fog in the morning. Waves 1 to 3 feet. .TUESDAY NIGHT...West wind 5 to 10 knots becoming northwest after midnight. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming south in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ142-143-171015- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 726 PM CDT Mon Jun 16 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots becoming west with gusts to around 20 knots after midnight. Patchy dense fog early in the evening. Areas of dense fog in the late evening and early morning, then patchy dense fog toward daybreak. Rain showers with thunderstorms likely in the evening. Chance of rain showers and slight chance of thunderstorms after midnight. Waves 1 to 3 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Patchy dense fog in the morning. Waves 1 to 2 feet. .TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...West wind 5 knots becoming south in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ144-145-171015- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 726 PM CDT Mon Jun 16 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY... .REST OF TONIGHT...Northeast wind 15 to 20 knots becoming west 10 to 15 knots with gusts to around 20 knots after midnight. Rain showers with thunderstorms likely early in the evening. Thunderstorms likely late in the evening. Chance of rain showers in the late evening and early morning. Patchy dense fog through the night. Waves 1 to 3 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots in the late morning and afternoon. Patchy dense fog in the morning. Waves 1 to 3 feet. .TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots becoming northeast in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ146-171015- Port Wing to Sand Island WI- 726 PM CDT Mon Jun 16 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY... .REST OF TONIGHT...East wind 10 to 15 knots becoming southeast late in the evening, then becoming southwest with gusts to around 20 knots after midnight becoming west 15 to 20 knots toward daybreak. Patchy dense fog through the night. Showers and thunderstorms likely in the evening. Chance of rain showers and slight chance of thunderstorms after midnight. Waves 1 to 2 feet building to 1 to 3 feet toward daybreak. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming southwest 5 to 10 knots in the afternoon. Patchy dense fog in the morning. Waves 1 to 3 feet. .TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming northwest late in the morning, then becoming northeast in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ147-171015- Sand Island to Bayfield WI- 726 PM CDT Mon Jun 16 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY... .REST OF TONIGHT...East wind 5 to 10 knots becoming southeast 10 to 15 knots late in the evening, then becoming southwest 15 to 20 knots after midnight. Patchy dense fog through the night. Rain showers with thunderstorms likely in the evening. Chance of showers and thunderstorms after midnight. Waves 1 to 2 feet building to 1 to 3 feet toward daybreak. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 10 knots late in the afternoon. Patchy dense fog in the morning. Waves 1 to 3 feet. .TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming northwest late in the morning, then becoming east in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ150-171015- Outer Apostle Islands Beyond 5 NM from Mainland- 726 PM CDT Mon Jun 16 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY... .REST OF TONIGHT...East wind 10 to 15 knots becoming southeast with gusts to around 20 knots late in the evening, then becoming southwest 15 to 20 knots after midnight. Widespread dense fog in the evening, then areas of dense fog after midnight. Showers and thunderstorms likely in the evening, then chance of showers and thunderstorms after midnight. Waves 1 to 3 feet building to 2 to 4 feet toward daybreak. .TUESDAY...West wind 15 to 20 knots. Patchy dense fog in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming northwest late in the morning, then becoming east in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ121-171015- Chequamegon Bay-Bayfield to Oak Point WI- 726 PM CDT Mon Jun 16 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY... .REST OF TONIGHT...East wind 5 to 10 knots becoming south late in the evening, then becoming southwest with gusts to around 20 knots after midnight rising to 10 to 15 knots with gusts to around 20 knots toward daybreak. Rain showers likely in the evening. Chance of thunderstorms through the night. Chance of rain showers after midnight. Patchy dense fog in the late evening and early morning. Waves 1 foot or less. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...West wind 5 knots becoming northeast in the late morning and afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ148-171015- Oak Point to Saxon Harbor WI- 726 PM CDT Mon Jun 16 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY... .REST OF TONIGHT...East wind 10 to 15 knots becoming southwest with gusts to around 20 knots after midnight. Rain showers in the evening. Chance of thunderstorms through the night. Chance of rain showers after midnight. Patchy dense fog in the late evening and overnight. Waves 1 to 2 feet. .TUESDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Patchy dense fog in the morning. Waves 1 to 2 feet. .TUESDAY NIGHT...Southwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Southwest wind 5 knots becoming north in the late morning and early afternoon, then becoming northeast late in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes KML