FZUS53 KDLH 101326 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 826 AM CDT Wed Jun 10 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. LSZ140-102200- Grand Portage to Grand Marais MN- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Widespread dense fog early in the morning. Patchy dense fog in the afternoon. Chance of rain showers and slight chance of thunderstorms early in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming south 5 to 10 knots late in the evening, then becoming southwest 10 to 15 knots with gusts to around 20 knots after midnight. Widespread dense fog through the night. Rain showers likely and chance of thunderstorms in the evening. Slight chance of thunderstorms after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .THURSDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Widespread dense fog in the morning. Waves 4 to 6 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .THURSDAY NIGHT...Southwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Waves 3 to 5 feet. A small craft advisory may be needed. $$ LSZ141-102200- Grand Marais to Taconite Harbor MN- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...East wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Widespread dense fog early in the morning. Patchy dense fog in the afternoon. Rain showers likely and slight chance of thunderstorms early in the morning, then rain showers and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...East wind 5 to 10 knots becoming southwest in the late evening and early morning, then becoming southwest 5 to 10 knots early in the morning. Rain showers likely and chance of thunderstorms in the evening. Patchy dense fog in the evening, then widespread dense fog after midnight. Waves 1 to 3 feet. .THURSDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Widespread dense fog in the morning. Chance of rain showers in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .THURSDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening then 20 knots after midnight. Chance of rain showers in the evening. Waves 1 to 3 feet. $$ LSZ142-102200- Taconite Harbor to Silver Bay Harbor MN- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...Northeast wind 10 to 15 knots. Widespread dense fog early in the morning. Patchy dense fog in the afternoon. Chance of rain showers and slight chance of thunderstorms early in the morning, then rain showers and chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 knots becoming west late in the evening, then becoming southwest after midnight. Rain showers likely and chance of thunderstorms in the evening. Areas of dense fog in the evening, then widespread dense fog after midnight. Waves 1 to 2 feet. .THURSDAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots in the late morning and afternoon. Widespread dense fog in the morning. Chance of rain showers in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening then 20 knots after midnight. Chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ143-102200- Silver Bay Harbor to Two Harbors MN- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Widespread dense fog early in the morning. Areas of dense fog early in the afternoon. Patchy dense fog late. Chance of showers and thunderstorms early in the morning, then rain showers with thunderstorms likely in the afternoon. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 knots becoming southwest with gusts to around 20 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening. Areas of dense fog in the evening, then widespread dense fog after midnight. Waves 1 to 2 feet. .THURSDAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots in the late morning and afternoon. Widespread dense fog in the morning. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Chance of rain showers in the evening. Waves 1 to 2 feet. $$ LSZ144-102200- Two Harbors to Duluth MN- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Widespread dense fog early in the morning. Areas of dense fog in the late morning and early afternoon. Chance of showers and thunderstorms early in the morning, then rain showers with thunderstorms likely in the afternoon. Waves 1 to 2 feet. .TONIGHT...East wind 5 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening. Areas of dense fog in the evening, then widespread dense fog after midnight. Waves 1 to 2 feet. .THURSDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Widespread dense fog in the morning. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 to 2 feet. $$ LSZ145-102200- Duluth MN to Port Wing WI- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Widespread dense fog early in the morning. Areas of dense fog early in the afternoon. Patchy dense fog late. Chance of showers and thunderstorms early in the morning, then rain showers with thunderstorms likely in the afternoon. Waves 1 to 2 feet. .TONIGHT...East wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening. Areas of dense fog in the evening, then widespread dense fog after midnight. Waves 1 to 3 feet. .THURSDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Widespread dense fog in the morning. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 to 3 feet. $$ LSZ146-102200- Port Wing to Sand Island WI- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...Northeast wind 5 to 10 knots. Widespread dense fog early in the morning. Patchy dense fog early in the afternoon. Chance of showers and thunderstorms early in the morning, then rain showers with thunderstorms likely in the afternoon. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the late evening and early morning, then easing to 10 knots with gusts to around 20 knots early in the morning. Rain showers likely and chance of thunderstorms in the evening. Areas of dense fog in the evening, then widespread dense fog after midnight. Waves 1 to 3 feet. .THURSDAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning then 20 knots in the afternoon. Widespread dense fog in the morning. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers in the evening. Waves 1 to 3 feet. $$ LSZ147-102200- Sand Island to Bayfield WI- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...East wind 5 to 10 knots. Widespread dense fog early in the morning. Patchy dense fog late. Chance of showers and thunderstorms early in the morning, then rain showers and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southeast wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 25 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening. Areas of dense fog in the evening, then widespread dense fog after midnight. Waves 1 to 2 feet. .THURSDAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Areas of dense fog in the morning. Chance of rain showers in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots in the late evening and overnight. Slight chance of rain showers in the evening. Waves 1 to 2 feet. $$ LSZ150-102200- Outer Apostle Islands Beyond 5 NM from Mainland- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...East wind 5 to 10 knots. Widespread dense fog early in the morning. Patchy dense fog in the afternoon. Chance of rain showers and slight chance of thunderstorms early in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...South wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 25 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening. Areas of dense fog through the night. Waves 1 to 3 feet. .THURSDAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning then 20 knots in the afternoon. Areas of dense fog in the morning. Chance of rain showers in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots after midnight. Chance of rain showers in the evening. Waves 1 to 2 feet. $$ LSZ121-102200- Chequamegon Bay-Bayfield to Oak Point WI- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...East wind 5 knots becoming south with gusts to around 20 knots late. Patchy dense fog early in the morning. Chance of showers and thunderstorms early in the morning, then rain showers with thunderstorms likely in the afternoon. Waves 1 foot or less. .TONIGHT...South wind 5 to 10 knots becoming southwest with gusts to around 20 knots in the late evening and overnight. Rain showers likely and chance of thunderstorms in the evening. Patchy dense fog in the evening, then areas of dense fog after midnight. Waves 1 foot or less. .THURSDAY...Southwest wind 10 to 15 knots easing to 10 knots late in the afternoon. Gusts up to 20 knots early in the afternoon. Areas of dense fog in the morning. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots in the late evening and overnight. Chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ148-102200- Oak Point to Saxon Harbor WI- 826 AM CDT Wed Jun 10 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TODAY...East wind 5 to 10 knots becoming southeast with gusts to around 20 knots in the afternoon. Widespread dense fog early in the morning. Chance of showers and thunderstorms early in the morning, then rain showers with thunderstorms likely in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots. Rain showers likely and chance of thunderstorms in the evening. Patchy dense fog in the evening, then areas of dense fog after midnight. Waves 1 to 2 feet. .THURSDAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Areas of dense fog in the morning. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Chance of rain showers in the evening. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH