FZUS53 KDLH 301328 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 828 AM 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- 828 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .REST OF TODAY...Northwest wind 5 knots becoming northeast 15 to 20 knots with gusts to around 25 knots in the late morning and afternoon. Slight chance of snow late. Waves 1 to 3 feet. .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of snow showers in the evening. Chance of snow showers 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 showers likely. Waves 3 to 5 feet. .TUESDAY NIGHT...Northeast wind 5 to 10 knots becoming north with gusts to around 20 knots after midnight. Chance of snow showers 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. $$ LSZ141-302200- Grand Marais to Taconite Harbor MN- 828 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .REST OF TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots rising to 15 to 20 knots with gusts to around 30 knots in the afternoon. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet late. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Chance of snow showers after midnight. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming east 5 to 10 knots late in the afternoon. Snow showers likely in the morning, then chance of snow showers in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TUESDAY NIGHT...West wind 5 to 10 knots becoming north with gusts to around 20 knots in the late evening and overnight. Chance of snow showers through the night. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ142-302200- Taconite Harbor to Silver Bay Harbor MN- 828 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .REST OF TODAY...Northeast wind 15 to 20 knots with gusts to around 30 knots. 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. Chance of snow showers after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Chance of snow showers. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY NIGHT...West wind 5 to 10 knots becoming north early in the morning. Chance of snow showers 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. $$ LSZ143-302200- Silver Bay Harbor to Two Harbors MN- 828 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .REST OF TODAY...Northeast wind 5 knots rising to 15 to 20 knots with gales to around 35 knots in the late morning and afternoon. Mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots in the late evening and overnight. Chance of rain showers, light freezing rain and snow showers after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. A gale warning may be needed. .TUESDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Slight chance of rain showers and light freezing rain in the morning. Chance of snow showers through the day. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming north after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ144-302200- Two Harbors to Duluth MN- 828 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TO 4 PM CDT THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TODAY...North wind 5 knots becoming northeast 20 to 25 knots with gales to around 35 knots in the late morning and afternoon. Mostly cloudy. Waves 1 to 2 feet building to 4 to 6 feet in the afternoon. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots after midnight. Chance of rain showers and slight chance of snow showers 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 showers and light freezing rain in the morning. Chance of snow showers through the day. Slight chance of rain showers 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. Mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-302200- Duluth MN to Port Wing WI- 828 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TO 4 PM CDT THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 5 knots rising to 20 to 25 knots with gales to around 35 knots in the late morning and afternoon. Mostly cloudy. Waves 1 to 2 feet building to 4 to 6 feet in the afternoon. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots in the late evening and overnight. Chance of rain showers, light freezing rain and slight chance of snow showers after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots late in the afternoon. Chance of rain showers, snow showers and light freezing rain in the morning, then slight chance of rain showers and snow showers in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming north early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-302200- Port Wing to Sand Island WI- 828 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .REST OF TODAY...Northeast wind 5 knots rising to 15 to 20 knots with gusts to around 30 knots in the late morning and afternoon. Mostly cloudy. Waves 1 foot or less building to 3 to 5 feet in the afternoon. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Chance of rain showers, light freezing rain and slight chance of snow showers 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. Chance of rain showers and light freezing rain in the morning. Chance of snow showers through the day. 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. $$ LSZ147-302200- Sand Island to Bayfield WI- 828 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .REST OF TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots rising to 15 to 20 knots with gusts to around 30 knots in the afternoon. Mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet late. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Chance of rain showers, light freezing rain and slight chance of snow showers after midnight. Waves 4 to 6 feet. Waves occasionally to 7 feet. A gale warning may be needed. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 10 to 15 knots with gusts to around 20 knots early in the afternoon, then easing to 10 knots late in the afternoon. Chance of rain showers, snow showers and light freezing rain in the morning, then slight chance of snow showers in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming north after midnight. Mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-302200- Outer Apostle Islands Beyond 5 NM from Mainland- 828 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TO 4 PM CDT THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TODAY...North wind 5 knots becoming northeast 15 to 20 knots with gales to around 35 knots in the late morning and afternoon. Mostly cloudy. Waves 1 to 2 feet building to 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. Chance of rain showers, slight chance of light freezing rain and snow showers 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 with gusts to around 20 knots in the afternoon. Chance of rain showers and light freezing rain in the morning. Chance of snow showers through the day. Slight chance of rain showers 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 with gusts to around 20 knots after midnight. Slight chance of snow showers in the evening. 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. $$ LSZ148-302200- Oak Point to Saxon Harbor WI- 828 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TO 4 PM CDT THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 5 knots rising to 15 to 20 knots with gales to around 35 knots in the late morning and afternoon. Mostly cloudy. Waves 1 to 2 feet building to 4 to 6 feet in the afternoon. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Chance of rain showers and slight chance of snow showers after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming north 5 to 10 knots in the afternoon. Chance of light freezing rain in the morning. Chance of rain showers and snow showers through the day. Waves 3 to 5 feet subsiding to 1 to 2 feet in the afternoon. Waves occasionally to 7 feet. A small craft advisory may be needed. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming north early in the morning. Mostly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH