FZUS53 KDLH 301720 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1220 PM CDT Mon Mar 30 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. LSZ140-302200- Grand Portage to Grand Marais MN- 1220 PM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of snow late. Waves 1 to 3 feet. .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Chance of snow in the evening, then snow likely after midnight. Waves 2 to 4 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Snow likely in the morning, then chance of snow in the afternoon. Waves 3 to 5 feet. .TUESDAY NIGHT...Northeast wind 5 to 10 knots becoming north with gusts to around 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ141-302200- Grand Marais to Taconite Harbor MN- 1220 PM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...East wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet late. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Chance of snow and slight chance of light sleet in the evening, then snow likely after midnight. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming east 5 to 10 knots late in the afternoon. Snow likely in the morning, then chance of snow in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY NIGHT...West wind 5 to 10 knots becoming north with gusts to around 20 knots in the late evening and overnight. Slight chance of snow through the night. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ142-302200- Taconite Harbor to Silver Bay Harbor MN- 1220 PM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late. Mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet late. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Slight chance of light sleet in the evening, then snow likely, chance of light sleet and light freezing rain after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Snow likely in the morning, then chance of snow in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY NIGHT...West wind 5 to 10 knots becoming north early in the morning. Slight chance of snow in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ143-302200- Silver Bay Harbor to Two Harbors MN- 1220 PM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots increasing to 35 knots late. Mostly cloudy. Waves 3 to 5 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots in the late evening and overnight. Slight chance of rain in the evening. Chance of light freezing rain through the night. Snow likely, chance of rain and light sleet after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. A gale warning may be needed. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Snow likely, slight chance of rain and light freezing rain in the morning, then slight chance of snow in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming north after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ144-302200- Two Harbors to Duluth MN- 1220 PM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots late. Mostly cloudy. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots after midnight. Slight chance of rain in the evening, then chance of rain, slight chance of snow and chance of light freezing rain after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots late in the afternoon. Chance of rain, snow and slight chance of light freezing rain in the morning, then slight chance of snow in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming north early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-302200- Duluth MN to Port Wing WI- 1220 PM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots late. Mostly cloudy. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots after midnight. Slight chance of rain and light freezing rain in the evening. Slight chance of snow through the night. Chance of rain and light freezing rain after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots late in the afternoon. Chance of rain, snow and light freezing rain in the morning, then slight chance of snow in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming north early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-302200- Port Wing to Sand Island WI- 1220 PM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...Northeast wind 15 to 20 knots with gusts to around 30 knots. Mostly cloudy. Waves 3 to 5 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Slight chance of rain and light freezing rain in the evening. Slight chance of snow through the night. Chance of rain and light freezing rain after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. A gale warning may be needed. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 10 to 15 knots with gusts to around 20 knots early in the afternoon, then easing to 10 knots late in the afternoon. Rain, snow and light freezing rain likely in the morning, then slight chance of snow in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming north after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-302200- Sand Island to Bayfield WI- 1220 PM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late. Mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet late. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Slight chance of rain, light freezing rain and light sleet in the evening. Slight chance of snow through the night. Chance of rain and light freezing rain after midnight. Waves 4 to 6 feet. Waves occasionally to 7 feet. A gale warning may be needed. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 10 to 15 knots with gusts to around 20 knots early in the afternoon, then easing to 10 knots late in the afternoon. Snow, rain likely and chance of light freezing rain in the morning, then chance of snow in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming north after midnight. Mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-302200- Outer Apostle Islands Beyond 5 NM from Mainland- 1220 PM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 10 to 15 knots with gusts to around 25 knots rising to 20 to 25 knots with gales to around 35 knots late. Mostly cloudy. Waves 2 to 4 feet building to 4 to 6 feet late. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots after midnight. Slight chance of rain, light freezing rain and snow in the evening, then chance of rain, snow, light freezing rain and light sleet after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north in the afternoon. Snow, rain likely and chance of light freezing rain in the morning, then chance of snow in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming north 10 to 15 knots with gusts to around 20 knots after midnight. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-302200- Oak Point to Saxon Harbor WI- 1220 PM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 10 to 15 knots with gusts to around 30 knots rising to 20 to 25 knots with gales to around 35 knots late. Mostly cloudy. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots after midnight. Slight chance of rain in the evening, then chance of rain, light freezing rain and slight chance of snow after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 10 to 15 knots early in the afternoon, then easing to 10 knots late in the afternoon. Chance of light freezing rain in the morning. Chance of rain and snow through the day. Waves 3 to 5 feet subsiding to 1 to 2 feet in the afternoon. Waves occasionally to 7 feet. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming north early in the morning. Mostly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH