FZUS53 KDLH 040458 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1158 PM CDT Fri Apr 3 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. LSZ140-041000- Grand Portage to Grand Marais MN- 1158 PM CDT Fri Apr 3 2026 ...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...Northeast wind up to 30 knots. Gusts up to 30 knots increasing to 35 knots after midnight. Chance of snow toward daybreak. Waves 4 to 7 feet building to 6 to 9 feet toward daybreak. Waves occasionally to 12 feet. .SATURDAY...Northeast wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots late in the morning, then decreasing to 35 knots early in the afternoon decreasing to 30 knots late in the afternoon. Snow. Waves 8 to 11 feet. Waves occasionally to 14 feet. .SATURDAY NIGHT...North wind 15 to 20 knots becoming northwest early in the morning. Gusts up to 30 knots. Snow likely in the evening, then chance of snow after midnight. Waves 4 to 7 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 9 feet. A small craft advisory may be needed. .SUNDAY...Northwest wind 15 to 20 knots with gusts to around 30 knots becoming west 5 to 10 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. Note...Wave height forecasts are for ice free areas. $$ LSZ141-041000- Grand Marais to Taconite Harbor MN- 1158 PM CDT Fri Apr 3 2026 ...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...East wind up to 30 knots. Gusts up to 30 knots increasing to 40 knots. Chance of snow after midnight. Snow likely toward daybreak. Waves 4 to 6 feet building to 8 to 11 feet. Waves occasionally to 14 feet. .SATURDAY...Northeast wind up to 30 knots. Gales up to 40 knots decreasing to 30 knots. Snow. Waves 7 to 12 feet subsiding to 6 to 9 feet late in the afternoon. Waves occasionally to 16 feet. .SATURDAY NIGHT...North wind 15 to 20 knots. Gusts up to 20 knots increasing to 30 knots. Snow likely in the evening, then chance of snow after midnight. Waves 4 to 7 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 9 feet. A small craft advisory may be needed. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming west 5 to 10 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-041000- Taconite Harbor to Silver Bay Harbor MN- 1158 PM CDT Fri Apr 3 2026 ...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...East wind up to 30 knots. Gusts up to 30 knots increasing to 35 knots after midnight. Chance of snow after midnight. Snow toward daybreak. Waves 4 to 6 feet building to 8 to 11 feet. Waves occasionally to 15 feet. .SATURDAY...East wind up to 30 knots with gales to around 35 knots becoming northeast 15 to 20 knots with gusts to around 25 knots late in the afternoon. Snow. Waves 8 to 13 feet subsiding to 7 to 10 feet late in the afternoon. Waves occasionally to 17 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 30 knots. Snow likely in the evening, then slight chance of snow after midnight. Waves 5 to 8 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 10 feet. A small craft advisory may be needed. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming west 5 knots in the afternoon. Slight chance of rain and snow in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-041000- Silver Bay Harbor to Two Harbors MN- 1158 PM CDT Fri Apr 3 2026 ...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...East wind up to 30 knots with gales to around 35 knots. Slight chance of snow late in the evening, then chance of snow after midnight. Snow toward daybreak. Waves 4 to 7 feet building to 7 to 12 feet. Waves occasionally to 15 feet. .SATURDAY...East wind up to 30 knots with gales to around 35 knots becoming northeast 15 to 20 knots with gusts to around 25 knots late in the afternoon. Slight chance of light sleet in the morning. Snow through the day. Waves 8 to 13 feet subsiding to 7 to 10 feet late in the afternoon. Waves occasionally to 17 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming northwest 10 to 15 knots with gusts to around 20 knots early in the morning. Chance of snow in the evening. Waves 5 to 8 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 10 feet. A small craft advisory may be needed. .SUNDAY...West wind 5 to 10 knots with gusts to around 20 knots becoming west 5 to 10 knots in the afternoon. Slight chance of rain and snow in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-041000- Two Harbors to Duluth MN- 1158 PM CDT Fri Apr 3 2026 ...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON... .REST OF TONIGHT...East wind up to 30 knots with gales to around 35 knots. Chance of snow late in the evening, then snow likely after midnight. Snow toward daybreak. Waves 6 to 9 feet building to 8 to 11 feet toward daybreak. Waves occasionally to 14 feet. .SATURDAY...East wind up to 30 knots with gales to around 35 knots becoming northeast 15 to 20 knots with gusts to around 30 knots in the afternoon. Slight chance of light sleet in the morning. Snow through the day. Waves 8 to 11 feet subsiding to 5 to 8 feet late in the afternoon. Waves occasionally to 15 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and early morning, then decreasing to 20 knots early in the morning. Snow likely in the evening. Waves 4 to 7 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 9 feet. A small craft advisory may be needed. .SUNDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Slight chance of rain in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-041000- Duluth MN to Port Wing WI- 1158 PM CDT Fri Apr 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY... ...GALE WARNING IN EFFECT UNTIL 10 AM CDT SATURDAY... .REST OF TONIGHT...East wind up to 30 knots with gales to around 35 knots. Chance of snow late in the evening, then snow, slight chance of freezing rain and light sleet after midnight. Waves 7 to 10 feet. Waves occasionally to 13 feet. .SATURDAY...East wind up to 30 knots with gales to around 35 knots becoming northeast 15 to 20 knots with gusts to around 25 knots in the afternoon. Slight chance of rain, freezing rain and light sleet in the morning. Snow through the day. Waves 7 to 10 feet subsiding to 5 to 8 feet late in the afternoon. Waves occasionally to 13 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots with gusts to around 20 knots early in the morning. Snow likely in the evening. Waves 4 to 7 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 9 feet. A small craft advisory may be needed. .SUNDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Slight chance of rain and snow in the afternoon. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. Note...Wave height forecasts are for ice free areas. $$ LSZ146-041000- Port Wing to Sand Island WI- 1158 PM CDT Fri Apr 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY... ...GALE WARNING IN EFFECT UNTIL 10 AM CDT SATURDAY... .REST OF TONIGHT...East wind up to 30 knots. Gusts up to 30 knots increasing to 35 knots after midnight. Slight chance of snow late in the evening, then snow and light sleet likely after midnight. Snow, slight chance of freezing rain and light sleet toward daybreak. Waves 5 to 8 feet building to 7 to 10 feet toward daybreak. Waves occasionally to 13 feet. .SATURDAY...East wind up to 30 knots with gales to around 35 knots becoming northeast 15 to 20 knots with gusts to around 25 knots in the afternoon. Slight chance of light sleet and freezing rain in the morning. Snow and slight chance of rain through the day. Waves 7 to 10 feet subsiding to 5 to 8 feet late in the afternoon. Waves occasionally to 13 feet. .SATURDAY NIGHT...North wind 5 to 15 knots with gusts to around 20 knots becoming northwest 15 to 20 knots with gusts to around 25 knots in the late evening and early morning, then easing to 5 to 15 knots with gusts to around 25 knots early in the morning. Snow likely in the evening. Waves 5 to 8 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 10 feet. A small craft advisory may be needed. .SUNDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots in the late morning and afternoon. Slight chance of rain and snow in the afternoon. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. Note...Wave height forecasts are for ice free areas. $$ LSZ147-041000- Sand Island to Bayfield WI- 1158 PM CDT Fri Apr 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY... ...GALE WARNING IN EFFECT UNTIL 10 AM CDT SATURDAY... .REST OF TONIGHT...East wind up to 30 knots with gales to around 35 knots. Slight chance of snow late in the evening, then snow and slight chance of light sleet after midnight. Waves 6 to 9 feet. Waves occasionally to 12 feet. .SATURDAY...East wind up to 30 knots with gales to around 35 knots becoming northeast 15 to 20 knots with gusts to around 25 knots in the afternoon. Slight chance of freezing rain and light sleet in the morning. Snow through the day. Slight chance of rain in the afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Snow likely in the evening, then slight chance of snow after midnight. Waves 5 to 8 feet subsiding to 4 to 6 feet in the late evening and overnight. Waves occasionally to 10 feet. A small craft advisory may be needed. .SUNDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots late in the afternoon. Sunny in the morning then becoming partly sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. Note...Wave height forecasts are for ice free areas. $$ LSZ150-041000- Outer Apostle Islands Beyond 5 NM from Mainland- 1158 PM CDT Fri Apr 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY... ...GALE WARNING IN EFFECT UNTIL 10 AM CDT SATURDAY... .REST OF TONIGHT...East wind up to 30 knots. Gusts up to 30 knots increasing to 35 knots after midnight. Slight chance of snow late in the evening, then chance of snow with possible sleet and rain likely after midnight. Snow, slight chance of freezing rain and light sleet toward daybreak. Waves 4 to 7 feet building to 7 to 12 feet. Waves occasionally to 15 feet. .SATURDAY...Northeast wind up to 30 knots. Gusts up to 35 knots. Freezing rain and slight chance of light sleet in the morning. Snow and slight chance of rain through the day. Waves 8 to 13 feet subsiding to 7 to 10 feet late in the afternoon. Waves occasionally to 17 feet. .SATURDAY NIGHT...North wind 15 to 20 knots becoming northwest after midnight. Gusts up to 25 knots. Snow likely in the evening, then slight chance of snow after midnight. Waves 6 to 9 feet subsiding to 4 to 6 feet after midnight. Waves occasionally to 12 feet. A small craft advisory may be needed. .SUNDAY...West wind 10 to 15 knots with gusts to around 25 knots easing to 5 to 10 knots late in the afternoon. Sunny in the morning then becoming partly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-041000- Oak Point to Saxon Harbor WI- 1158 PM CDT Fri Apr 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT SATURDAY... .REST OF TONIGHT...East wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots toward daybreak. Chance of snow late in the evening. Sleet and rain likely after midnight, then snow, sleet, rain and freezing rain toward daybreak. Waves 6 to 9 feet. Waves occasionally to 12 feet. .SATURDAY...Northeast wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 20 knots in the afternoon. Snow, rain, light sleet and freezing rain in the morning, then snow and rain likely in the afternoon. Waves 6 to 9 feet subsiding to 3 to 5 feet. Waves occasionally to 12 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots. Snow likely in the evening, then chance of snow after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. .SUNDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH