FZUS53 KDLH 291348 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 848 AM CDT Sun Mar 29 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. LSZ140-292200- Grand Portage to Grand Marais MN- 848 AM CDT Sun Mar 29 2026 .REST OF TODAY...Northeast wind 10 to 15 knots. Mostly cloudy. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Slight chance of snow and light freezing rain in the afternoon. Waves 1 to 3 feet. .MONDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of snow in the evening. Chance of light freezing rain through the night. Chance of snow after midnight. Waves 2 to 4 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-292200- Grand Marais to Taconite Harbor MN- 848 AM CDT Sun Mar 29 2026 .REST OF TODAY...East wind 10 to 15 knots. Mostly cloudy. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 5 to 10 knots becoming east 15 to 20 knots in the afternoon. Slight chance of snow and light freezing rain in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. .MONDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of light freezing rain and snow in the evening. Slight chance of rain through the night. Chance of snow and light freezing rain after midnight. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ142-292200- Taconite Harbor to Silver Bay Harbor MN- 848 AM CDT Sun Mar 29 2026 .REST OF TODAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain, light freezing rain and snow in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. A small craft advisory may be needed. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late evening and early morning, then decreasing to 25 knots early in the morning. Slight chance of light freezing rain and snow in the evening. Slight chance of rain through the night. Chance of snow and light freezing rain after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ143-292200- Silver Bay Harbor to Two Harbors MN- 848 AM CDT Sun Mar 29 2026 .REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Partly sunny. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain and snow in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. A small craft advisory may be needed. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Slight chance of light freezing rain in the evening. Slight chance of rain through the night. Chance of snow and light freezing rain after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ144-292200- Two Harbors to Duluth MN- 848 AM CDT Sun Mar 29 2026 .REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Partly sunny. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. Waves occasionally to 7 feet. A small craft advisory may be needed. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Slight chance of rain in the evening, then chance of rain, snow and light freezing rain after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ145-292200- Duluth MN to Port Wing WI- 848 AM CDT Sun Mar 29 2026 .REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the morning then 20 knots early in the afternoon. Partly sunny. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 3 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. Waves occasionally to 7 feet. A small craft advisory may be needed. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Slight chance of rain in the evening, then chance of rain, snow and light freezing rain after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-292200- Port Wing to Sand Island WI- 848 AM CDT Sun Mar 29 2026 .REST OF TODAY...Northeast wind 10 to 15 knots. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain and snow in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. A small craft advisory may be needed. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Slight chance of rain and light freezing rain in the evening, then chance of rain, snow and light freezing rain after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ147-292200- Sand Island to Bayfield WI- 848 AM CDT Sun Mar 29 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Partly sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain and light freezing rain in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. A small craft advisory may be needed. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Slight chance of rain and light freezing rain in the evening, then chance of rain, light freezing rain and snow after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-292200- Outer Apostle Islands Beyond 5 NM from Mainland- 848 AM CDT Sun Mar 29 2026 .REST OF TODAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the morning. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 3 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain, light freezing rain and snow in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. Waves occasionally to 7 feet. A small craft advisory may be needed. .MONDAY NIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots. Slight chance of rain and light freezing rain in the evening, then chance of rain, light freezing rain and snow after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-292200- Oak Point to Saxon Harbor WI- 848 AM CDT Sun Mar 29 2026 .REST OF TODAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly cloudy early in the morning then becoming mostly sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain and snow in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. Waves occasionally to 7 feet. A small craft advisory may be needed. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Chance of rain. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH