FZUS53 KDLH 240811 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 311 AM CDT Tue Mar 24 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. LSZ140-241600- Grand Portage to Grand Marais MN- 311 AM CDT Tue Mar 24 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM CDT EARLY THIS MORNING... .TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming north late in the morning, then becoming east in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TONIGHT...East wind 10 to 15 knots. Chance of snow after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the morning. Patchy fog through the day. Chance of rain in the morning. Chance of snow and light freezing rain through the day. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Chance of snow and light freezing rain through the night. Chance of light sleet after midnight. Patchy fog after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-241600- Grand Marais to Taconite Harbor MN- 311 AM CDT Tue Mar 24 2026 .TODAY...Northwest wind 5 to 10 knots becoming north late in the morning, then becoming southeast in the afternoon. Partly sunny. Waves 1 to 3 feet. .TONIGHT...East wind 10 to 15 knots. Patchy fog after midnight. Slight chance of light freezing rain and snow after midnight. Waves 1 to 3 feet. .WEDNESDAY...East wind 10 to 15 knots. Patchy fog in the morning. Chance of rain, light freezing rain and snow through the day. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain, light freezing rain and snow in the evening, then chance of light freezing rain and rain after midnight. Patchy fog after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-241600- Taconite Harbor to Silver Bay Harbor MN- 311 AM CDT Tue Mar 24 2026 .TODAY...Northwest wind 5 to 10 knots becoming east in the afternoon. Partly sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 10 to 15 knots. Patchy fog after midnight. Slight chance of light freezing rain and snow after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Chance of light freezing rain in the morning. Chance of snow through the day. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain, light freezing rain and snow in the evening, then chance of rain and light freezing rain after midnight. Patchy fog after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-241600- Silver Bay Harbor to Two Harbors MN- 311 AM CDT Tue Mar 24 2026 .TODAY...Northwest wind 5 knots becoming east in the afternoon. Partly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Slight chance of light freezing rain and snow after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Slight chance of light freezing rain in the morning. Slight chance of rain and snow through the day. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Chance of rain and light freezing rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-241600- Two Harbors to Duluth MN- 311 AM CDT Tue Mar 24 2026 .TODAY...Northwest wind 5 knots becoming northeast in the late morning and afternoon. Partly sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Slight chance of light freezing rain after midnight. Waves 1 to 2 feet. .WEDNESDAY...East wind 5 to 10 knots. Slight chance of light freezing rain and snow in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots becoming north early in the morning. Patchy fog after midnight. Chance of rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-241600- Duluth MN to Port Wing WI- 311 AM CDT Tue Mar 24 2026 .TODAY...West wind 5 knots becoming northeast in the late morning and afternoon. Partly sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Slight chance of light freezing rain after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Partly sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Chance of rain after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-241600- Port Wing to Sand Island WI- 311 AM CDT Tue Mar 24 2026 .TODAY...West wind 5 to 10 knots becoming northeast in the late morning and early afternoon, then becoming east late in the afternoon. Partly sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Slight chance of rain and light freezing rain after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Slight chance of rain and light freezing rain in the morning. Slight chance of snow through the day. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog after midnight. Chance of rain and light freezing rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-241600- Sand Island to Bayfield WI- 311 AM CDT Tue Mar 24 2026 .TODAY...West wind 5 to 10 knots becoming east in the afternoon. Partly sunny. Waves 1 to 2 feet. .TONIGHT...East wind 10 to 15 knots. Slight chance of rain and light freezing rain after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Slight chance of rain and light freezing rain in the morning. Slight chance of snow through the day. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Chance of rain and light freezing rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-241600- Outer Apostle Islands Beyond 5 NM from Mainland- 311 AM CDT Tue Mar 24 2026 .TODAY...West wind 5 to 10 knots becoming east 10 to 15 knots in the afternoon. Partly sunny. Waves 1 to 2 feet. .TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots until early morning. Slight chance of rain and light freezing rain after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 10 to 15 knots. Patchy fog in the morning. Slight chance of light freezing rain in the morning. Slight chance of rain and snow through the day. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Patchy fog after midnight. Chance of rain and light freezing rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-241600- Oak Point to Saxon Harbor WI- 311 AM CDT Tue Mar 24 2026 .TODAY...West wind 5 to 10 knots becoming north late in the morning, then becoming northeast 10 to 15 knots in the afternoon. Partly sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming east 5 to 10 knots early in the morning. Slight chance of rain and light freezing rain after midnight. Waves 1 to 3 feet. .WEDNESDAY...Southeast wind 5 knots becoming northeast in the late morning and afternoon. Patchy fog in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH