FZUS53 KDLH 251822 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 122 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. LSZ140-252200- Grand Portage to Grand Marais MN- 122 PM CDT Mon May 25 2026 .REST OF TODAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots becoming west after midnight. Chance of rain showers and slight chance of thunderstorms in the evening. Patchy fog after midnight. Waves 1 to 2 feet. .TUESDAY...Northwest wind 5 knots becoming southwest in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southwest wind 5 knots becoming north late in the evening, then becoming northeast after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ141-252200- Grand Marais to Taconite Harbor MN- 122 PM CDT Mon May 25 2026 .REST OF TODAY...East wind 5 knots. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming southwest late in the evening, then becoming west after midnight. Chance of showers and thunderstorms in the evening. Patchy fog after midnight. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming east late in the morning, then becoming south in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Variable winds 10 knots or less becoming northeast 5 knots in the late evening and overnight. Mostly clear. Waves 1 foot or less. $$ LSZ142-252200- Taconite Harbor to Silver Bay Harbor MN- 122 PM CDT Mon May 25 2026 .REST OF TODAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots becoming southwest in the late evening and early morning, then becoming west early in the morning. Chance of showers and thunderstorms in the evening. Patchy fog after midnight. 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. $$ LSZ143-252200- Silver Bay Harbor to Two Harbors MN- 122 PM CDT Mon May 25 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots becoming southwest late in the evening, then becoming west after midnight. Chance of thunderstorms and rain showers in the evening. Patchy fog after midnight. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ144-252200- Two Harbors to Duluth MN- 122 PM CDT Mon May 25 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 knots becoming southwest late in the evening, then becoming west after midnight. Chance of showers and thunderstorms in the evening. Patchy fog after midnight. Waves 1 foot or less. .TUESDAY...North wind 5 knots becoming northeast in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ145-252200- Duluth MN to Port Wing WI- 122 PM CDT Mon May 25 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots becoming southwest late in the evening, then becoming west after midnight. Chance of thunderstorms and slight chance of rain showers in the evening. Patchy fog after midnight. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ146-252200- Port Wing to Sand Island WI- 122 PM CDT Mon May 25 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...North wind 5 knots becoming southwest in the late evening and early morning, then becoming southwest 5 knots early in the morning. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .TUESDAY...West wind 5 knots becoming northeast in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ147-252200- Sand Island to Bayfield WI- 122 PM CDT Mon May 25 2026 .REST OF TODAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots becoming west after midnight. Slight chance of showers and thunderstorms in the evening. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and early afternoon, then becoming east late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ150-252200- Outer Apostle Islands Beyond 5 NM from Mainland- 122 PM CDT Mon May 25 2026 .REST OF TODAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 to 10 knots becoming west early in the morning. Chance of rain showers and slight chance of thunderstorms in the evening. 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. $$ LSZ121-252200- Chequamegon Bay-Bayfield to Oak Point WI- 122 PM CDT Mon May 25 2026 .REST OF TODAY...Southwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots. Chance of rain showers in the evening. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming northeast in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northeast 5 knots after midnight. Partly cloudy. Waves 1 foot or less. $$ LSZ148-252200- Oak Point to Saxon Harbor WI- 122 PM CDT Mon May 25 2026 .REST OF TODAY...South wind 5 to 10 knots. Sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots. Slight chance of rain showers in the evening. 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. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH