FZUS53 KDLH 101648 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1148 AM 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. LSZ140-102200- Grand Portage to Grand Marais MN- 1148 AM CDT Tue Mar 10 2026 .REST OF TODAY...East wind 15 to 20 knots. Partly sunny. Waves 1 to 3 feet. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening then 20 knots early in the morning. Slight chance of snow in the evening, then chance of snow after midnight. 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. Note...Wave height forecasts are for ice free areas. $$ LSZ141-102200- Grand Marais to Taconite Harbor MN- 1148 AM CDT Tue Mar 10 2026 .REST OF TODAY...East wind 15 to 20 knots. Slight chance of snow late. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots early in the morning. Chance of snow in the evening, then snow likely after midnight. Waves 2 to 4 feet. A small craft advisory may be needed. .WEDNESDAY...North wind 5 to 10 knots. Chance of flurries in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-102200- Taconite Harbor to Silver Bay Harbor MN- 1148 AM CDT Tue Mar 10 2026 .REST OF TODAY...East wind 15 to 20 knots. Slight chance of snow in the afternoon. Waves 3 to 5 feet. .TONIGHT...Northeast wind 15 to 20 knots easing to 5 to 10 knots early in the morning. Snow likely. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. A small craft advisory may be needed. .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. Note...Wave height forecasts are for ice free areas. $$ LSZ143-102200- Silver Bay Harbor to Two Harbors MN- 1148 AM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots in the afternoon. Slight chance of snow early in the afternoon. Chance of snow late. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots in the evening. Snow likely. Waves 4 to 6 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 8 feet. .WEDNESDAY...North wind 5 to 10 knots becoming northwest late in the afternoon. Chance of flurries in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-102200- Two Harbors to Duluth MN- 1148 AM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...East wind 15 to 20 knots with gusts to around 25 knots. Slight chance of snow early in the afternoon. Chance of snow late. Freezing spray late. Waves 4 to 6 feet. Waves occasionally to 8 feet. .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. Note...Wave height forecasts are for ice free areas. $$ LSZ145-102200- Duluth MN to Port Wing WI- 1148 AM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...Northeast wind 20 to 25 knots. Slight chance of snow early in the afternoon. Chance of snow late. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots. Snow. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 8 feet. .WEDNESDAY...North wind 10 to 15 knots becoming northwest 5 to 10 knots late in the afternoon. Chance of flurries in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...West wind 5 knots. Partly cloudy. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-102200- Port Wing to Sand Island WI- 1148 AM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...East wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the afternoon. Slight chance of snow early in the afternoon. Chance of snow late. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Snow. 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. Note...Wave height forecasts are for ice free areas. $$ LSZ147-102200- Sand Island to Bayfield WI- 1148 AM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...East wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the afternoon. Slight chance of snow early in the afternoon. Chance of snow late. Waves 3 to 5 feet. .TONIGHT...East wind 15 to 20 knots becoming northeast 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Snow likely in the evening, then snow after midnight. Waves 3 to 5 feet. .WEDNESDAY...Northeast wind 10 to 15 knots becoming north 5 to 10 knots in the late morning and early afternoon, then becoming northwest late in the afternoon. Snow likely in the morning, then chance of flurries in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-102200- Outer Apostle Islands Beyond 5 NM from Mainland- 1148 AM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...East wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the afternoon. Slight chance of snow in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .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 early in the morning. 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. Note...Wave height forecasts are for ice free areas. $$ LSZ148-102200- Oak Point to Saxon Harbor WI- 1148 AM CDT Tue Mar 10 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .REST OF TODAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots late. Slight chance of snow early in the afternoon. Chance of snow late. Waves 3 to 5 feet. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Snow. Waves 4 to 6 feet subsiding to 1 to 3 feet early in the morning. Waves occasionally to 8 feet. .WEDNESDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Snow likely in the morning. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH