FZUS53 KDLH 301232 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 732 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. LSZ140-301600- Grand Portage to Grand Marais MN- 732 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .TODAY...Southeast wind 5 knots becoming northeast 15 to 20 knots in the late morning and afternoon. Slight chance of snow late in the afternoon. 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. Gusts up to 25 knots decreasing to 20 knots in the afternoon. Snow showers likely. Waves 3 to 5 feet. .TUESDAY NIGHT...North wind 10 to 15 knots with gusts to around 20 knots. Chance of snow showers through the night. Waves 2 to 4 feet subsiding to 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-301600- Grand Marais to Taconite Harbor MN- 732 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .TODAY...Northeast wind 15 to 20 knots. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. .TONIGHT...East wind 15 to 20 knots with gusts to around 25 knots. Chance of snow showers after midnight. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 5 to 10 knots late in the afternoon. Snow showers likely in the morning, then chance of snow showers in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming north early in the morning. Chance of snow showers through the night. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ142-301600- Taconite Harbor to Silver Bay Harbor MN- 732 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .TODAY...Northeast wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots in the afternoon. Mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the evening, then 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 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots early in the afternoon, then becoming northwest late in the afternoon. Chance of snow showers. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY NIGHT...Northwest 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 early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ143-301600- Silver Bay Harbor to Two Harbors MN- 732 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .TODAY...East wind 5 knots becoming northeast 15 to 20 knots with gusts to around 25 knots in the late morning and afternoon. Mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. .TONIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots. Chance of rain showers, light freezing rain and snow showers after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots early in the afternoon, then becoming northwest late in the afternoon. Slight chance of rain showers and light freezing rain in the morning. Chance of snow showers through the day. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming north early in the morning. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ144-301600- Two Harbors to Duluth MN- 732 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .TODAY...Northwest wind 5 knots becoming northeast 15 to 20 knots with gusts to around 30 knots in the late morning and afternoon. Mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 20 to 25 knots with gusts to around 30 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 15 to 20 knots with gusts to around 25 knots becoming north 5 to 10 knots early in the afternoon, then becoming northwest 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. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming north 5 to 10 knots early in the morning. Mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-301600- Duluth MN to Port Wing WI- 732 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .TODAY...Southeast wind 5 knots becoming northeast 15 to 20 knots with gusts to around 30 knots in the late morning and afternoon. Mostly cloudy. Waves 1 to 2 feet building to 4 to 6 feet in the afternoon. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots. Chance of rain showers, light freezing rain and slight chance of snow showers after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 10 knots with gusts to around 20 knots early in the afternoon, then becoming northwest with gusts to around 20 knots late in the afternoon. Chance of rain showers, snow showers and light freezing rain in the morning, then slight chance of rain showers and snow showers in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming north 5 to 10 knots early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-301600- Port Wing to Sand Island WI- 732 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .TODAY...Southeast wind 5 knots becoming northeast 15 to 20 knots with gusts to around 25 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 30 knots decreasing to 25 knots early in the morning. 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. .TUESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 10 knots early in the afternoon, then becoming northwest 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 early in the morning. Mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-301600- Sand Island to Bayfield WI- 732 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .TODAY...Northwest wind 5 knots becoming northeast 15 to 20 knots with gusts to around 25 knots in the late morning and afternoon. Mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet late in the afternoon. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Chance of rain showers, light freezing rain and slight chance of snow showers after midnight. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TUESDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming north early in the afternoon, then becoming northwest late in the afternoon. Chance of rain showers, snow showers and light freezing rain in the morning, then slight chance of snow showers in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-301600- Outer Apostle Islands Beyond 5 NM from Mainland- 732 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .TODAY...North wind 5 knots becoming northeast 15 to 20 knots with gusts to around 30 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...East wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. 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 early in the afternoon, then becoming northwest 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. Waves occasionally to 8 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming north 5 to 10 knots early in the morning. Slight chance of snow showers in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-301600- Oak Point to Saxon Harbor WI- 732 AM CDT Mon Mar 30 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH TUESDAY EVENING... .TODAY...Northwest wind 5 knots becoming northeast late in the morning, then rising to 15 to 20 knots with gusts to around 30 knots in the afternoon. Mostly cloudy. Waves 1 to 2 feet building to 4 to 6 feet in the afternoon. Waves occasionally to 7 feet. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots. Chance of rain showers and slight chance of snow showers after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TUESDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming north 5 to 10 knots in the afternoon. Chance of light freezing rain in the morning. Chance of rain showers and snow showers through the day. Waves 3 to 5 feet subsiding to 1 to 2 feet in the afternoon. .TUESDAY NIGHT...Northwest wind 5 to 10 knots becoming north early in the morning. Mostly cloudy. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH