FZUS53 KDLH 180208 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 908 PM CDT Wed Jun 17 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. LSZ140-181000- Grand Portage to Grand Marais MN- 908 PM CDT Wed Jun 17 2026 .REST OF TONIGHT...Northeast wind 10 to 15 knots becoming northwest 5 knots toward daybreak. Chance of rain showers late in the evening. Slight chance of rain showers after midnight. Waves 1 to 2 feet. .THURSDAY...West wind 5 to 10 knots. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Northwest wind 5 to 10 knots. Slight chance of rain showers in the evening. Waves 1 foot or less. .FRIDAY...West wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. $$ LSZ141-181000- Grand Marais to Taconite Harbor MN- 908 PM CDT Wed Jun 17 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots becoming northwest after midnight. Chance of rain showers in the late evening and early morning, then slight chance of rain showers toward daybreak. Waves 1 foot or less. .THURSDAY...West wind 5 to 10 knots. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Sunny in the morning then becoming partly sunny. Waves 1 foot or less. $$ LSZ142-181000- Taconite Harbor to Silver Bay Harbor MN- 908 PM CDT Wed Jun 17 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots becoming west toward daybreak. Patchy fog through the night. Rain showers likely late in the evening. Chance of rain showers after midnight, then slight chance of rain showers toward daybreak. Waves 1 foot or less. .THURSDAY...West wind 5 to 10 knots. Slight chance of rain showers through the day. Waves 1 foot or less. .THURSDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ143-181000- Silver Bay Harbor to Two Harbors MN- 908 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TONIGHT...Northeast wind 5 to 10 knots becoming west toward daybreak. Patchy fog through the night. Rain showers late in the evening. Rain showers likely after midnight, then slight chance of rain showers toward daybreak. Waves 1 foot or less. .THURSDAY...West wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 knots. Mostly clear. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ144-181000- Two Harbors to Duluth MN- 908 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots becoming west 5 knots after midnight. Patchy fog through the night. Rain showers late in the evening. Chance of rain showers after midnight, then slight chance of rain showers toward daybreak. Waves 1 to 2 feet. .THURSDAY...West wind 5 to 10 knots. Gusts up to 20 knots late in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ145-181000- Duluth MN to Port Wing WI- 908 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots becoming northwest 5 knots after midnight, then becoming west toward daybreak. Patchy fog late in the evening, then areas of fog after midnight. Patchy fog toward daybreak. Rain showers late in the evening, then chance of rain showers after midnight. Slight chance of rain showers toward daybreak. Waves 1 to 3 feet. .THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Partly sunny. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ146-181000- Port Wing to Sand Island WI- 908 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TONIGHT...Northeast wind 10 to 15 knots becoming north 5 knots after midnight, then becoming west toward daybreak. Patchy fog through the night. Rain showers likely in the late evening and early morning. Slight chance of rain showers toward daybreak. Waves 1 to 2 feet. .THURSDAY...West wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ147-181000- Sand Island to Bayfield WI- 908 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TONIGHT...Northeast wind 5 to 10 knots becoming west toward daybreak. Patchy fog through the night. Rain showers likely in the late evening and early morning. Slight chance of rain showers toward daybreak. Waves 1 foot or less. .THURSDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ150-181000- Outer Apostle Islands Beyond 5 NM from Mainland- 908 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TONIGHT...North wind 5 to 10 knots becoming west toward daybreak. Rain showers likely in the late evening and early morning. Slight chance of rain showers toward daybreak. Patchy fog after midnight. Waves 1 to 2 feet. .THURSDAY...West wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ121-181000- Chequamegon Bay-Bayfield to Oak Point WI- 908 PM CDT Wed Jun 17 2026 .REST OF TONIGHT...North wind 5 to 10 knots becoming west toward daybreak. Patchy fog through the night. Rain showers likely in the late evening and early morning. Slight chance of rain showers toward daybreak. Waves 1 foot or less. .THURSDAY...West wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ148-181000- Oak Point to Saxon Harbor WI- 908 PM CDT Wed Jun 17 2026 .REST OF TONIGHT...Northeast wind 5 to 10 knots becoming west toward daybreak. Patchy fog through the night. Chance of rain showers in the late evening and early morning. Slight chance of rain showers toward daybreak. Waves 1 to 3 feet subsiding to 1 foot or less after midnight. .THURSDAY...West wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...West wind 5 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH