FZUS53 KDLH 101938 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 238 PM CDT Tue Mar 10 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. LSZ140-110415- Grand Portage to Grand Marais MN- 238 PM CDT Tue Mar 10 2026 .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening then 20 knots late in the night. Slight chance of snow early in the evening, then chance of snow in the late evening and early morning. Snow likely late in the night. Waves 1 to 3 feet. .WEDNESDAY...North wind 10 to 15 knots. Gusts up to 20 knots in the morning. Chance of flurries in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...North wind 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. Chance of flurries in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-110415- Grand Marais to Taconite Harbor MN- 238 PM CDT Tue Mar 10 2026 .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots late in the night. Slight chance of snow early in the evening, then chance of snow late in the evening. Snow likely after midnight. Waves 2 to 4 feet. .WEDNESDAY...North wind 5 to 10 knots. Chance of flurries in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...North wind 5 knots becoming southeast 10 to 15 knots in the afternoon. Slight chance of snow in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-110415- Taconite Harbor to Silver Bay Harbor MN- 238 PM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northeast wind 15 to 20 knots easing to 5 to 10 knots late in the night. Chance of snow early in the evening, then snow likely in the late evening and overnight. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. .WEDNESDAY...North wind 5 to 10 knots becoming northwest late in the afternoon. Chance of flurries in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 5 knots. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 knots becoming southeast in the late morning and afternoon. Slight chance of snow in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-110415- Silver Bay Harbor to Two Harbors MN- 238 PM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots in the evening. Chance of snow early in the evening, then snow likely in the late evening and overnight. Waves 4 to 6 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 8 feet. .WEDNESDAY...North wind 5 to 10 knots becoming northwest late in the afternoon. Chance of flurries in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 knots becoming south late in the morning, then becoming east 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of flurries in the morning, then chance of snow and slight chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-110415- Two Harbors to Duluth MN- 238 PM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots. Snow likely. Waves 4 to 6 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 8 feet. .WEDNESDAY...North wind 5 to 10 knots becoming northwest late in the afternoon. Chance of flurries in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...West wind 5 knots becoming south late in the morning, then becoming east 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of flurries through the day. Slight chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-110415- Duluth MN to Port Wing WI- 238 PM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots. Snow likely early in the evening, then snow in the late evening and early morning. Snow likely late in the night. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the night. Waves occasionally to 8 feet. .WEDNESDAY...North wind 10 to 15 knots becoming northwest 5 to 10 knots late in the afternoon. Chance of flurries in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...West wind 5 knots. Partly cloudy. Waves 1 foot or less. .THURSDAY...West wind 5 knots becoming south late in the morning, then becoming east 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of flurries through the day. Chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-110415- Port Wing to Sand Island WI- 238 PM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Snow likely early in the evening, then snow in the late evening and early morning. Snow likely late in the night. Waves 3 to 5 feet. Waves occasionally to 7 feet. .WEDNESDAY...North wind 10 to 15 knots easing to 5 knots early in the afternoon, then becoming northwest late in the afternoon. Snow likely in the morning, then chance of flurries in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...West wind 5 knots becoming southwest late in the morning, then becoming east 10 to 15 knots in the afternoon. Chance of flurries in the morning, then chance of snow and slight chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-110415- Sand Island to Bayfield WI- 238 PM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...East wind 15 to 20 knots becoming northeast 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Snow likely early in the evening, then snow in the late evening and overnight. Waves 3 to 5 feet. .WEDNESDAY...Northeast wind 10 to 15 knots becoming north 5 to 10 knots in the late morning and early afternoon, then becoming northwest late in the afternoon. Snow likely in the morning, then chance of flurries in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...West wind 5 knots becoming southwest late in the morning, then becoming southeast in the afternoon. Slight chance of rain and snow in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-110415- Outer Apostle Islands Beyond 5 NM from Mainland- 238 PM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots early in the evening. Snow likely in the evening, then snow after midnight. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the night. Waves occasionally to 8 feet. .WEDNESDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Snow likely in the morning, then chance of flurries in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...Northwest wind 5 knots becoming west late in the morning, then becoming southeast early in the afternoon becoming east 10 to 15 knots late in the afternoon. Slight chance of rain and snow in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-110415- Oak Point to Saxon Harbor WI- 238 PM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Snow likely early in the evening, then snow in the late evening and overnight. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the night. Waves occasionally to 8 feet. .WEDNESDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Snow likely in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...Southwest wind 5 knots becoming southeast early in the afternoon, then becoming east late in the afternoon. Slight chance of rain and snow in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes JDS