FZUS53 KDLH 021133 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 633 AM CDT Thu Apr 2 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. LSZ140-021600- Grand Portage to Grand Marais MN- 633 AM CDT Thu Apr 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...GALE WARNING IN EFFECT FROM NOON CDT TODAY THROUGH FRIDAY MORNING... .TODAY...East wind 15 to 20 knots with gusts to around 30 knots becoming northeast up to 30 knots with gales to around 40 knots in the late morning and afternoon. Slight chance of snow early in the morning, then chance of snow late in the morning. Snow in the afternoon. Waves 5 to 8 feet building to 7 to 10 feet in the afternoon. Waves occasionally to 13 feet. .TONIGHT...Northeast wind up to 30 knots with gales to around 40 knots becoming north 15 to 20 knots with gusts to around 30 knots early in the morning. Snow in the evening, then chance of snow after midnight. Waves 7 to 10 feet subsiding to 4 to 7 feet early in the morning. Waves occasionally to 13 feet. .FRIDAY...North wind 15 to 20 knots with gusts to around 25 knots becoming northeast 10 to 15 knots with gusts to around 20 knots in the afternoon. Slight chance of snow through the day. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind up to 30 knots with gales to around 35 knots. Chance of snow and slight chance of light sleet. Waves 3 to 5 feet building to 5 to 8 feet after midnight. Waves occasionally to 11 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-021600- Grand Marais to Taconite Harbor MN- 633 AM CDT Thu Apr 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...GALE WARNING IN EFFECT FROM NOON CDT TODAY THROUGH LATE TONIGHT... .TODAY...East wind up to 30 knots with gales to around 40 knots. Chance of snow early in the morning, then snow likely late in the morning. Snow in the afternoon. Waves 5 to 8 feet building to 7 to 12 feet in the afternoon. Waves occasionally to 15 feet. .TONIGHT...Northeast wind up to 30 knots with gales to around 40 knots becoming north 15 to 20 knots with gusts to around 30 knots after midnight. Snow likely in the evening, then chance of snow after midnight. Waves 7 to 12 feet subsiding to 4 to 7 feet. Waves occasionally to 15 feet. .FRIDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming east early in the afternoon, then rising to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of snow through the day. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. Waves occasionally to 7 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind 20 to 25 knots. Gusts up to 25 knots increasing to 40 knots. Chance of snow in the evening. Chance of light sleet through the night. Snow after midnight. Waves 7 to 10 feet. Waves occasionally to 12 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ142-021600- Taconite Harbor to Silver Bay Harbor MN- 633 AM CDT Thu Apr 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...GALE WARNING IN EFFECT FROM NOON CDT TODAY THROUGH LATE TONIGHT... .TODAY...Northeast wind up to 30 knots with gales to around 40 knots. Chance of snow early in the morning, then snow likely late in the morning. Snow in the afternoon. Waves 5 to 8 feet building to 8 to 13 feet in the afternoon. Waves occasionally to 17 feet. .TONIGHT...Northeast wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 30 knots after midnight, then becoming north 10 knots with gusts to around 20 knots early in the morning. Snow in the evening, then chance of snow after midnight. Waves 8 to 13 feet subsiding to 5 to 8 feet. Waves occasionally to 17 feet. .FRIDAY...North wind 5 to 10 knots with gusts to around 20 knots becoming east 10 to 15 knots with gusts to around 20 knots in the afternoon. Slight chance of snow in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind 20 to 25 knots. Gusts up to 25 knots increasing to 35 knots. Chance of light sleet and slight chance of snow in the evening, then snow and slight chance of light sleet after midnight. Waves 3 to 5 feet building to 7 to 10 feet in the late evening and overnight. Waves occasionally to 14 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ143-021600- Silver Bay Harbor to Two Harbors MN- 633 AM CDT Thu Apr 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...GALE WARNING IN EFFECT FROM NOON CDT TODAY THROUGH LATE TONIGHT... .TODAY...Northeast wind up to 30 knots. Gusts up to 30 knots increasing to 40 knots. Chance of snow early in the morning, then snow in the late morning and afternoon. Waves 5 to 8 feet building to 8 to 13 feet. Waves occasionally to 17 feet. .TONIGHT...Northeast wind up to 30 knots with gales to around 40 knots becoming north 15 to 20 knots with gusts to around 30 knots after midnight. Snow and slight chance of light sleet in the evening, then chance of snow after midnight. Waves 9 to 14 feet subsiding to 5 to 8 feet. Waves occasionally to 18 feet. .FRIDAY...Northeast wind 5 to 10 knots becoming east 15 to 20 knots with gusts to around 25 knots in the afternoon. Slight chance of snow and light sleet in the afternoon. Waves 4 to 6 feet subsiding to 3 to 5 feet in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late evening and overnight. Snow and light sleet likely in the evening. Slight chance of freezing rain through the night. Snow, slight chance of rain and light sleet after midnight. Waves 7 to 10 feet. Waves occasionally to 14 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ144-021600- Two Harbors to Duluth MN- 633 AM CDT Thu Apr 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...GALE WARNING IN EFFECT FROM NOON CDT TODAY THROUGH LATE TONIGHT... .TODAY...Northeast wind up to 30 knots. Gusts up to 30 knots increasing to 40 knots. Chance of snow early in the morning, then snow in the late morning and afternoon. Waves 5 to 8 feet building to 8 to 13 feet. Waves occasionally to 16 feet. .TONIGHT...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 and slight chance of light sleet in the evening, then chance of snow after midnight. Waves 8 to 13 feet subsiding to 5 to 8 feet. Waves occasionally to 17 feet. .FRIDAY...North wind 5 to 10 knots becoming northeast 15 to 20 knots with gusts to around 25 knots in the late morning and afternoon. Chance of snow and light sleet in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind up to 30 knots. Gusts up to 30 knots increasing to 35 knots in the late evening and overnight. Light sleet and freezing rain likely in the evening. Snow likely through the night. Slight chance of rain, freezing rain and light sleet after midnight. Waves 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ145-021600- Duluth MN to Port Wing WI- 633 AM CDT Thu Apr 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...GALE WARNING IN EFFECT FROM NOON CDT TODAY THROUGH LATE TONIGHT... .TODAY...Northeast wind up to 30 knots. Gusts up to 35 knots decreasing to 30 knots late in the morning, then increasing to 35 knots early in the afternoon increasing to 40 knots late in the afternoon. Snow likely early in the morning, then snow in the late morning and afternoon. Waves 5 to 8 feet building to 7 to 12 feet. Waves occasionally to 16 feet. .TONIGHT...Northeast gales to 35 knots with gales to around 40 knots easing to up to 30 knots with gales to around 35 knots in the late evening and early morning, then becoming north 10 to 15 knots with gusts to around 20 knots early in the morning. Snow and slight chance of light sleet in the evening, then chance of snow after midnight. Waves 8 to 13 feet subsiding to 4 to 7 feet. Waves occasionally to 17 feet. .FRIDAY...Northeast wind 10 to 15 knots rising to 15 to 20 knots with gusts to around 25 knots in the afternoon. Chance of snow, light sleet and light freezing rain in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind up to 30 knots. Gusts up to 35 knots after midnight. Light sleet and freezing rain likely in the evening. Rain and snow likely through the night. Slight chance of freezing rain and light sleet after midnight. Waves 6 to 9 feet. Waves occasionally to 12 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-021600- Port Wing to Sand Island WI- 633 AM CDT Thu Apr 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...GALE WARNING IN EFFECT FROM NOON CDT TODAY THROUGH LATE TONIGHT... .TODAY...Northeast wind up to 30 knots. Gales up to 40 knots. Chance of snow early in the morning, then snow likely late in the morning. Snow in the afternoon. Waves 4 to 7 feet building to 7 to 12 feet. Waves occasionally to 15 feet. .TONIGHT...Northeast wind up to 30 knots with gales to around 40 knots becoming north 10 to 15 knots with gusts to around 20 knots early in the morning. Snow and slight chance of light sleet in the evening, then chance of snow after midnight. Waves 7 to 12 feet subsiding to 5 to 8 feet early in the morning. Waves occasionally to 16 feet. .FRIDAY...Northeast wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots in the afternoon. Slight chance of snow and light sleet in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots after midnight. Light sleet, freezing rain and rain likely in the evening. Snow likely through the night. Slight chance of rain, freezing rain and light sleet after midnight. Waves 6 to 9 feet. Waves occasionally to 11 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ147-021600- Sand Island to Bayfield WI- 633 AM CDT Thu Apr 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...GALE WARNING IN EFFECT FROM NOON CDT TODAY THROUGH LATE TONIGHT... .TODAY...Northeast wind up to 30 knots with gales to around 35 knots. Chance of snow early in the morning, then snow in the late morning and afternoon. Slight chance of light sleet late in the afternoon. Waves 4 to 6 feet building to 8 to 11 feet. Waves occasionally to 14 feet. .TONIGHT...Northeast wind up to 30 knots with gales to around 35 knots becoming north 10 to 15 knots with gusts to around 25 knots early in the morning. Snow and slight chance of light sleet in the evening, then chance of snow after midnight. Waves 7 to 12 feet subsiding to 5 to 8 feet early in the morning. Waves occasionally to 15 feet. .FRIDAY...North wind 10 to 15 knots becoming northeast late in the morning, then rising to 10 to 15 knots with gusts to around 20 knots in the afternoon. Slight chance of snow in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late evening and overnight. Light sleet and rain likely in the evening. Snow and freezing rain likely through the night. Rain and slight chance of light sleet after midnight. Waves 5 to 8 feet. Waves occasionally to 11 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-021600- Outer Apostle Islands Beyond 5 NM from Mainland- 633 AM CDT Thu Apr 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT TODAY... ...GALE WARNING IN EFFECT FROM NOON CDT TODAY THROUGH LATE TONIGHT... .TODAY...East wind up to 30 knots with gales to around 35 knots. Snow likely in the morning, then snow and slight chance of light sleet in the afternoon. Waves 5 to 8 feet building to 9 to 14 feet. Waves occasionally to 18 feet. .TONIGHT...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 and slight chance of light sleet in the evening, then chance of snow after midnight. Waves 9 to 14 feet subsiding to 7 to 12 feet early in the morning. Waves occasionally to 18 feet. .FRIDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northeast 15 to 20 knots in the afternoon. Slight chance of snow in the afternoon. Waves 6 to 9 feet subsiding to 4 to 7 feet in the late morning and afternoon. Waves occasionally to 12 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind 20 to 25 knots. Gusts up to 25 knots increasing to 35 knots. Light sleet, rain and freezing rain likely in the evening. Snow likely through the night. Rain, freezing rain and slight chance of light sleet after midnight. Waves 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-021600- Oak Point to Saxon Harbor WI- 633 AM CDT Thu Apr 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...Northeast wind up to 30 knots. Snow likely early in the morning, then snow in the late morning and afternoon. Slight chance of light sleet in the afternoon. Waves 4 to 6 feet building to 7 to 12 feet. Waves occasionally to 15 feet. .TONIGHT...Northeast wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 25 knots after midnight. Snow, slight chance of light freezing rain and light sleet in the evening, then chance of snow after midnight. Waves 7 to 12 feet subsiding to 7 to 10 feet early in the morning. Waves occasionally to 16 feet. A gale warning may be needed. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots rising to 15 to 20 knots late in the afternoon. Slight chance of snow in the afternoon. Waves 5 to 8 feet subsiding to 3 to 5 feet in the afternoon. Waves occasionally to 11 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the evening, then decreasing to 25 knots after midnight. Rain, snow, light sleet and freezing rain likely in the evening, then rain, snow, freezing rain and slight chance of light sleet after midnight. Waves 5 to 8 feet. Waves occasionally to 10 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH