FZUS53 KDLH 252158 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 458 PM CDT Wed Mar 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- 458 PM CDT Wed Mar 25 2026 .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of snow after midnight. Waves 1 to 2 feet. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of snow and light freezing rain in the morning. Waves 1 to 2 feet. .THURSDAY NIGHT...North wind 5 to 10 knots. Gusts up to 20 knots early in the evening then 20 knots after midnight. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming west 10 to 15 knots with gusts to around 20 knots in the afternoon. Slight chance of snow. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-260400- Grand Marais to Taconite Harbor MN- 458 PM CDT Wed Mar 25 2026 .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of light freezing rain late in the evening. Slight chance of rain after midnight. Chance of snow and light freezing rain after midnight. Waves 1 to 2 feet. .THURSDAY...Northeast wind 10 to 15 knots easing to 5 to 10 knots in the afternoon. Chance of snow in the morning. Waves 1 to 2 feet. .THURSDAY NIGHT...North wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of snow. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-260400- Taconite Harbor to Silver Bay Harbor MN- 458 PM CDT Wed Mar 25 2026 .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain and snow after midnight. Chance of light freezing rain after midnight. Chance of rain and snow late in the night. Waves 1 to 3 feet. .THURSDAY...Northeast wind 5 to 10 knots. Chance of snow and light freezing rain in the morning. Waves 1 to 3 feet. .THURSDAY NIGHT...North wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...Northwest wind 5 to 10 knots. Chance of snow. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-260400- Silver Bay Harbor to Two Harbors MN- 458 PM CDT Wed Mar 25 2026 .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain after midnight. Chance of rain and light freezing rain late in the night. Waves 1 to 3 feet. .THURSDAY...Northeast wind 10 to 15 knots. Chance of snow, rain and light freezing rain in the morning. Waves 1 to 3 feet. .THURSDAY NIGHT...North wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...Northwest wind 5 to 10 knots. Chance of snow. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-260400- Two Harbors to Duluth MN- 458 PM CDT Wed Mar 25 2026 .TONIGHT...Northeast wind 5 to 10 knots. Chance of rain and slight chance of snow late in the night. Waves 1 to 2 feet. .THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the afternoon. Chance of rain, snow and light freezing rain in the morning. Waves 1 to 3 feet. .THURSDAY NIGHT...North wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...North wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Chance of snow. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-260400- Duluth MN to Port Wing WI- 458 PM CDT Wed Mar 25 2026 .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain late in the night. Waves 1 to 2 feet. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain, snow and light freezing rain in the morning, then slight chance of snow in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...North wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of snow. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-260400- Port Wing to Sand Island WI- 458 PM CDT Wed Mar 25 2026 .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain late in the night. Waves 1 to 3 feet. .THURSDAY...Northeast wind 10 to 15 knots easing to 10 knots late in the afternoon. Chance of snow, rain and light freezing rain in the morning. Waves 1 to 3 feet. .THURSDAY NIGHT...North wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .FRIDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots late in the afternoon. Chance of snow. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-260400- Sand Island to Bayfield WI- 458 PM CDT Wed Mar 25 2026 .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain and light freezing rain late in the night. Waves 1 to 3 feet. .THURSDAY...Northeast wind 10 to 15 knots easing to 10 knots late in the afternoon. Chance of snow and light freezing rain in the morning. Waves 1 to 3 feet. .THURSDAY NIGHT...North wind 5 to 10 knots. Slight chance of snow after midnight. Waves 1 to 2 feet. .FRIDAY...Northwest wind 5 to 10 knots. Chance of snow through the day. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-260400- Outer Apostle Islands Beyond 5 NM from Mainland- 458 PM CDT Wed Mar 25 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... .TONIGHT...Northeast wind 10 to 15 knots. Slight chance of rain after midnight. Slight chance of light freezing rain and snow late in the night. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .THURSDAY...Northeast wind 15 to 20 knots. Chance of snow and light freezing rain in the morning. Waves 3 to 5 feet. .THURSDAY NIGHT...North wind 10 to 15 knots. Slight chance of snow after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .FRIDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots in the afternoon. Chance of snow through the day. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-260400- Oak Point to Saxon Harbor WI- 458 PM CDT Wed Mar 25 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... .TONIGHT...Northeast wind 10 to 15 knots. Slight chance of rain late in the night. Waves 1 to 3 feet. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain, snow and light freezing rain in the morning, then slight chance of snow in the afternoon. Waves 2 to 4 feet. .THURSDAY NIGHT...North wind 5 to 10 knots. Slight chance of snow after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .FRIDAY...Northwest wind 5 to 10 knots. Chance of snow. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH