FZUS53 KDLH 171822 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 122 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. LSZ140-172200- Grand Portage to Grand Marais MN- 122 PM CDT Wed Jun 17 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Slight chance of rain showers. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots becoming west early in the morning. Mostly cloudy. 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 foot or less. .THURSDAY NIGHT...Northwest wind 5 to 10 knots. Slight chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ141-172200- Grand Marais to Taconite Harbor MN- 122 PM CDT Wed Jun 17 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Chance of rain showers. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots becoming northwest after midnight. Mostly cloudy. Waves 1 to 2 feet. .THURSDAY...West wind 5 to 10 knots. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ142-172200- Taconite Harbor to Silver Bay Harbor MN- 122 PM CDT Wed Jun 17 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots late. Rain showers likely early in the afternoon, then chance of rain showers late. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots becoming west early in the morning. Slight chance of rain showers in the evening. Patchy fog after midnight. Waves 1 to 2 feet. .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. $$ LSZ143-172200- Silver Bay Harbor to Two Harbors MN- 122 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Rain showers early in the afternoon, then chance of rain showers late. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots with gusts to around 20 knots in the evening becoming variable 10 knots or less, then becoming west 5 knots early in the morning. Chance of rain showers in the evening. Patchy fog through the night. Waves 1 to 3 feet. .THURSDAY...West wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ144-172200- Two Harbors to Duluth MN- 122 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY... .REST OF TODAY...Northeast wind 10 to 15 knots with gusts to around 25 knots. Rain showers early in the afternoon, then chance of rain showers late. Waves 2 to 4 feet. .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 knots after midnight, then becoming west early in the morning. Chance of rain showers in the evening. Patchy fog through the night. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .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. $$ LSZ145-172200- Duluth MN to Port Wing WI- 122 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY... .REST OF TODAY...Northeast wind 10 to 15 knots with gusts to around 25 knots. Rain showers early in the afternoon, then rain showers likely late. Waves 2 to 4 feet. .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming northwest 5 knots after midnight, then becoming west early in the morning. Chance of rain showers in the evening. Patchy fog through the night. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ146-172200- Port Wing to Sand Island WI- 122 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...East wind 5 to 10 knots with gusts to around 20 knots. Rain showers early in the afternoon, then rain showers likely late. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming west early in the morning. Chance of rain showers in the evening. Patchy fog through the night. Waves 1 to 2 feet. .THURSDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ147-172200- Sand Island to Bayfield WI- 122 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...East wind 5 to 10 knots. Rain showers early in the afternoon, then chance of rain showers late. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots becoming west early in the morning. Chance of rain showers in the evening. Patchy fog through the night. Waves 1 to 2 feet. .THURSDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ150-172200- Outer Apostle Islands Beyond 5 NM from Mainland- 122 PM CDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...East wind 5 to 10 knots. Gusts up to 20 knots late. Rain showers likely early in the afternoon, then chance of rain showers late. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming west early in the morning. Chance of rain showers in the evening. Patchy fog after midnight. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .THURSDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. $$ LSZ121-172200- Chequamegon Bay-Bayfield to Oak Point WI- 122 PM CDT Wed Jun 17 2026 .REST OF TODAY...East wind 5 to 10 knots. Gusts up to 20 knots late. Rain showers. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming west early in the morning. Chance of rain showers in the evening. Patchy fog through the night. Waves 1 to 3 feet subsiding to 1 foot or less in the late evening and overnight. .THURSDAY...West wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ148-172200- Oak Point to Saxon Harbor WI- 122 PM CDT Wed Jun 17 2026 .REST OF TODAY...East wind 5 to 10 knots. Gusts up to 20 knots late. Rain showers. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming west early in the morning. Chance of rain showers in the evening. Patchy fog through the night. Waves 1 to 3 feet subsiding to 1 to 2 feet 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. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH