FZUS53 KDLH 252133 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 432 PM CDT Mon May 25 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. LSZ140-260400- Grand Portage to Grand Marais MN- 432 PM CDT Mon May 25 2026 .TONIGHT...Southwest wind 5 to 10 knots becoming west after midnight. Chance of showers and thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 knots becoming southwest in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...Southwest wind 5 knots becoming north late in the evening, then becoming northeast after midnight. Mostly clear. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and early afternoon. Sunny. Waves 1 to 2 feet. $$ LSZ141-260400- Grand Marais to Taconite Harbor MN- 432 PM CDT Mon May 25 2026 .TONIGHT...East wind 5 knots becoming southwest late in the evening, then becoming west after midnight. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming east late in the morning, then becoming south in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Variable winds 10 knots or less becoming northeast 5 knots in the late evening and overnight. Mostly clear. Waves 1 foot or less. .WEDNESDAY...East wind 5 to 10 knots. Gusts up to 20 knots early in the afternoon. Mostly sunny. Waves 1 to 2 feet. $$ LSZ142-260400- Taconite Harbor to Silver Bay Harbor MN- 432 PM CDT Mon May 25 2026 .TONIGHT...East wind 5 knots becoming southwest in the late evening and early morning, then becoming west late in the night. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots early in the morning becoming northeast, then becoming east early in the afternoon becoming variable 10 knots or less. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northeast 5 knots after midnight. Mostly clear. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 to 2 feet. $$ LSZ143-260400- Silver Bay Harbor to Two Harbors MN- 432 PM CDT Mon May 25 2026 .TONIGHT...Northeast wind 5 to 10 knots becoming southwest late in the evening, then becoming west after midnight. Chance of rain showers early in the evening. Chance of thunderstorms in the evening. Slight chance of rain showers late in the evening. Patchy fog late in the night. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and afternoon. Patchy fog in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. $$ LSZ144-260400- Two Harbors to Duluth MN- 432 PM CDT Mon May 25 2026 .TONIGHT...East wind 5 knots becoming southwest late in the evening, then becoming west after midnight. Slight chance of showers and thunderstorms in the evening. Patchy fog late in the night. Waves 1 foot or less. .TUESDAY...North wind 5 knots becoming northeast in the late morning and afternoon. Patchy fog in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 3 feet. $$ LSZ145-260400- Duluth MN to Port Wing WI- 432 PM CDT Mon May 25 2026 .TONIGHT...Northeast wind 5 knots becoming southwest late in the evening, then becoming west after midnight. Slight chance of showers and thunderstorms in the evening. Patchy fog late in the night. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and afternoon. Patchy fog in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Sunny. Waves 1 to 3 feet. $$ LSZ146-260400- Port Wing to Sand Island WI- 432 PM CDT Mon May 25 2026 .TONIGHT...North wind 5 to 10 knots becoming southwest in the late evening and early morning, then becoming southwest 5 knots late in the night. Slight chance of rain showers early in the evening. Slight chance of thunderstorms in the evening. Chance of rain showers late in the evening. Waves 1 foot or less. .TUESDAY...West wind 5 knots becoming northeast in the late morning and afternoon. Patchy fog in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. $$ LSZ147-260400- Sand Island to Bayfield WI- 432 PM CDT Mon May 25 2026 .TONIGHT...Southwest wind 5 to 10 knots becoming west after midnight. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Slight chance of rain showers after midnight. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and early afternoon, then becoming east late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the afternoon. Mostly sunny. Waves 1 to 2 feet. $$ LSZ150-260400- Outer Apostle Islands Beyond 5 NM from Mainland- 432 PM CDT Mon May 25 2026 .TONIGHT...Southeast wind 5 to 10 knots becoming west late in the night. Slight chance of rain showers early in the evening. Slight chance of thunderstorms until early morning. Chance of rain showers in the late evening and early morning. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and early afternoon, then becoming east late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet in the afternoon. $$ LSZ121-260400- Chequamegon Bay-Bayfield to Oak Point WI- 432 PM CDT Mon May 25 2026 .TONIGHT...Southwest wind 5 to 10 knots. Chance of rain showers late in the evening. Slight chance of thunderstorms in the late evening and early morning. Slight chance of rain showers after midnight. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northeast 5 knots after midnight. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ148-260400- Oak Point to Saxon Harbor WI- 432 PM CDT Mon May 25 2026 .TONIGHT...Southwest wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms in the late evening and early morning. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming north 5 knots after midnight. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH