FZUS53 KDLH 011804 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 104 PM CDT Wed Apr 1 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. LSZ140-012200- Grand Portage to Grand Marais MN- 104 PM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY MORNING... .REST OF TODAY...East wind 10 to 15 knots with gusts to around 20 knots. Partly sunny. Waves 1 to 3 feet. .TONIGHT...East wind 15 to 20 knots with gusts to around 25 knots. Slight chance of snow showers after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. .THURSDAY...East wind up to 30 knots with gales to around 35 knots becoming northeast gales to 35 knots with gales to around 45 knots in the afternoon. Slight chance of snow showers in the morning, then snow showers in the afternoon. Freezing spray in the afternoon. Waves 4 to 7 feet building to 7 to 12 feet in the late morning and afternoon. Waves occasionally to 15 feet. .THURSDAY NIGHT...Northeast gales to 35 knots with gales to around 45 knots easing to up to 30 knots with gales to around 45 knots in the late evening and overnight. Snow showers and slight chance of light sleet in the evening, then snow, light sleet likely and slight chance of light freezing rain after midnight. Waves 7 to 12 feet subsiding to 4 to 7 feet. Waves occasionally to 15 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-012200- Grand Marais to Taconite Harbor MN- 104 PM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .REST OF TODAY...East wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots late. Partly sunny. Waves 2 to 4 feet. .TONIGHT...East wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots early in the morning. Slight chance of snow showers. Waves 4 to 7 feet. Waves occasionally to 9 feet. .THURSDAY...East wind up to 30 knots with gales to around 35 knots rising to gales to 35 knots with gales to around 40 knots in the afternoon. Snow showers likely in the morning, then snow showers in the afternoon. Waves 7 to 10 feet building to 8 to 13 feet in the afternoon. Waves occasionally to 17 feet. .THURSDAY NIGHT...Northeast wind up to 30 knots with gales to around 45 knots becoming north 15 to 20 knots with gusts to around 25 knots early in the morning. Snow showers in the evening. Slight chance of light sleet through the night. Snow after midnight. Waves 8 to 13 feet subsiding to 5 to 8 feet. Waves occasionally to 17 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-012200- Taconite Harbor to Silver Bay Harbor MN- 104 PM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .REST OF TODAY...East wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots late. Mostly cloudy. Waves 3 to 5 feet. .TONIGHT...East wind 15 to 20 knots with gusts to around 25 knots. Slight chance of snow showers through the night. Waves 4 to 7 feet. Waves occasionally to 9 feet. .THURSDAY...East wind 20 to 25 knots with gales to around 35 knots becoming northeast gales to 35 knots with gales to around 40 knots in the afternoon. Snow showers likely in the morning, then snow showers in the afternoon. Waves 5 to 8 feet building to 10 to 15 feet. Waves occasionally to 19 feet. .THURSDAY NIGHT...Northeast wind up to 30 knots with gales to around 40 knots becoming north 15 to 20 knots with gusts to around 30 knots after midnight. Snow showers and slight chance of light sleet in the evening, then snow and light sleet after midnight. Waves 10 to 15 feet subsiding to 5 to 8 feet. Waves occasionally to 19 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-012200- Silver Bay Harbor to Two Harbors MN- 104 PM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .REST OF TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TONIGHT...East wind 20 to 25 knots. Gusts up to 30 knots late in the evening then 30 knots early in the morning. Chance of snow showers in the evening, then slight chance of snow showers after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .THURSDAY...East wind up to 30 knots with gales to around 35 knots becoming northeast gales to 35 knots with gales to around 40 knots in the afternoon. Snow showers through the day. Slight chance of light sleet in the afternoon. Waves 5 to 8 feet building to 10 to 15 feet. Waves occasionally to 19 feet. .THURSDAY NIGHT...Northeast gales to 35 knots with gales to around 45 knots easing to 20 to 25 knots with gales to around 35 knots after midnight, then becoming north 10 to 15 knots with gusts to around 20 knots early in the morning. Snow showers and slight chance of light sleet in the evening, then snow and light sleet after midnight. Waves 10 to 15 feet subsiding to 6 to 9 feet. Waves occasionally to 19 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-012200- Two Harbors to Duluth MN- 104 PM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .REST OF TODAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots late. Mostly cloudy. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...East wind 20 to 25 knots. Gusts up to 30 knots in the evening then 30 knots early in the morning. Chance of snow showers in the evening, then slight chance of snow showers after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .THURSDAY...East wind up to 30 knots with gales to around 35 knots becoming northeast gales to 35 knots with gales to around 40 knots in the afternoon. Snow showers through the day. Slight chance of light sleet in the afternoon. Waves 7 to 10 feet building to 9 to 14 feet in the afternoon. Waves occasionally to 18 feet. .THURSDAY NIGHT...Northeast gales to 35 knots with gales to around 45 knots easing to 20 to 25 knots with gusts to around 30 knots after midnight, then becoming north 10 to 15 knots with gusts to around 20 knots early in the morning. Snow showers in the evening. Light sleet through the night. Snow after midnight. Waves 9 to 14 feet subsiding to 5 to 8 feet. Waves occasionally to 18 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-012200- Duluth MN to Port Wing WI- 104 PM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .REST OF TODAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots late. Mostly cloudy. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...East wind 20 to 25 knots. Gusts up to 30 knots early in the evening. Chance of snow showers. Waves 4 to 7 feet. Waves occasionally to 9 feet. .THURSDAY...East wind up to 30 knots with gales to around 35 knots becoming northeast gales to 35 knots with gales to around 40 knots in the afternoon. Snow showers likely in the morning, then snow showers and slight chance of light sleet in the afternoon. Waves 8 to 13 feet. Waves occasionally to 17 feet. .THURSDAY NIGHT...Northeast gales to 35 knots with gales to around 40 knots easing to up to 30 knots after midnight, then becoming north 15 to 20 knots early in the morning. Snow showers and slight chance of light sleet in the evening, then snow and light sleet after midnight. Waves 8 to 13 feet subsiding to 5 to 8 feet. Waves occasionally to 17 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-012200- Port Wing to Sand Island WI- 104 PM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .REST OF TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly cloudy. Waves 3 to 5 feet. .TONIGHT...East wind 20 to 25 knots. Chance of snow showers in the evening, then slight chance of snow showers after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. .THURSDAY...East wind up to 30 knots with gales to around 35 knots rising to gales to 35 knots with gales to around 40 knots in the afternoon. Snow showers likely in the morning, then snow showers and slight chance of light sleet in the afternoon. Waves 6 to 9 feet building to 7 to 12 feet in the afternoon. Waves occasionally to 16 feet. .THURSDAY NIGHT...Northeast gales to 35 knots with gales to around 40 knots easing to up to 30 knots with gales to around 40 knots in the late evening and early morning, then becoming north 15 to 20 knots with gusts to around 25 knots early in the morning. Snow showers in the evening. Light sleet through the night. Snow after midnight. Waves 8 to 13 feet subsiding to 6 to 9 feet early in the morning. Waves occasionally to 17 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ147-012200- Sand Island to Bayfield WI- 104 PM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .REST OF TODAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots late. Mostly cloudy. Waves 2 to 4 feet. .TONIGHT...East wind 15 to 20 knots. Gusts up to 25 knots in the evening then 25 knots early in the morning. Chance of snow showers through the night. Waves 3 to 5 feet. Waves occasionally to 7 feet. .THURSDAY...East wind up to 30 knots with gales to around 35 knots rising to gales to 35 knots late in the afternoon. Snow showers through the day. Slight chance of light sleet in the afternoon. Waves 4 to 6 feet building to 7 to 12 feet. Waves occasionally to 15 feet. .THURSDAY NIGHT...Northeast wind up to 30 knots with gales to around 35 knots becoming north 15 to 20 knots with gusts to around 25 knots early in the morning. Snow showers in the evening. Light sleet through the night. Snow after midnight. Waves 7 to 12 feet subsiding to 6 to 9 feet early in the morning. Waves occasionally to 16 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-012200- Outer Apostle Islands Beyond 5 NM from Mainland- 104 PM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... ...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .REST OF TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TONIGHT...East wind 15 to 20 knots with gusts to around 25 knots. Slight chance of snow showers through the night. Waves 4 to 7 feet. Waves occasionally to 9 feet. .THURSDAY...East wind up to 30 knots with gales to around 35 knots rising to gales to 35 knots with gales to around 40 knots late in the afternoon. Snow showers through the day. Slight chance of light sleet in the afternoon. Waves 5 to 8 feet building to 10 to 15 feet. Waves occasionally to 19 feet. .THURSDAY NIGHT...Northeast gales to 35 knots with gales to around 40 knots easing to up to 30 knots with gales to around 40 knots in the late evening and early morning, then becoming north 15 to 20 knots with gusts to around 25 knots early in the morning. Snow showers and slight chance of light sleet in the evening, then snow, light sleet and rain after midnight. Waves 10 to 15 feet subsiding to 7 to 12 feet early in the morning. Waves occasionally to 19 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-012200- Oak Point to Saxon Harbor WI- 104 PM CDT Wed Apr 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT... .REST OF TODAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots late. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...East wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Slight chance of snow showers through the night. Waves 4 to 6 feet. Waves occasionally to 8 feet. .THURSDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots. Snow showers likely in the morning, then snow showers and sleet in the afternoon. Waves 4 to 6 feet building to 7 to 12 feet. Waves occasionally to 15 feet. .THURSDAY NIGHT...Northeast wind 20 to 25 knots with gales to around 35 knots becoming north 15 to 20 knots with gusts to around 25 knots early in the morning. Snow showers and light freezing rain in the evening. Light sleet through the night. Rain and chance of snow after midnight. Waves 7 to 12 feet subsiding to 6 to 9 feet early in the morning. Waves occasionally to 16 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH