FZUS53 KDLH 041513 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1013 AM CDT Sat Apr 4 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. LSZ140-042215- Grand Portage to Grand Marais MN- 1013 AM CDT Sat Apr 4 2026 ...GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...Northeast wind up to 30 knots with gales to around 35 knots. Snow. Waves 6 to 9 feet. Waves occasionally to 12 feet. .TONIGHT...North wind 15 to 20 knots becoming northwest after midnight. Gusts up to 30 knots. Snow likely in the evening, then chance of snow after midnight. Waves 4 to 6 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 8 feet. A small craft advisory may be needed. .SUNDAY...Northwest wind 15 to 20 knots with gusts to around 25 knots becoming west 10 to 15 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet. .SUNDAY NIGHT...Northwest wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots after midnight. Chance of snow and rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ141-042215- Grand Marais to Taconite Harbor MN- 1013 AM CDT Sat Apr 4 2026 ...GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...Northeast wind up to 30 knots. Gusts up to 35 knots decreasing to 30 knots late. Snow. Waves 8 to 11 feet. Waves occasionally to 14 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots after midnight. Snow likely in the evening, then chance of snow after midnight. Waves 4 to 6 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 8 feet. A small craft advisory may be needed. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming west 5 to 10 knots in the afternoon. Slight chance of rain and snow in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...Northwest wind 5 to 10 knots rising to 10 to 15 knots with gusts to around 25 knots early in the morning. Slight chance of snow in the evening. Slight chance of rain through the night. Chance of snow after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-042215- Taconite Harbor to Silver Bay Harbor MN- 1013 AM CDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots in the late morning and early afternoon. Snow. Waves 8 to 11 feet subsiding to 6 to 9 feet late. Waves occasionally to 15 feet. .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Snow likely in the evening, then slight chance of snow after midnight. Waves 4 to 7 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 9 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 25 knots becoming west 5 to 10 knots in the afternoon. Slight chance of rain and snow in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots early in the morning. Slight chance of rain and snow in the evening, then chance of snow and rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-042215- Silver Bay Harbor to Two Harbors MN- 1013 AM CDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots late in the morning. Snow. Waves 8 to 11 feet subsiding to 6 to 9 feet late. Waves occasionally to 15 feet. .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots after midnight. Chance of snow in the evening. Waves 4 to 7 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 9 feet. .SUNDAY...West wind 5 to 10 knots with gusts to around 20 knots becoming west 5 to 10 knots in the afternoon. Chance of rain and snow in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 25 knots early in the morning. Chance of rain through the night. Chance of snow after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-042215- Two Harbors to Duluth MN- 1013 AM CDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots in the afternoon. Slight chance of rain late in the morning. Snow through the day. Slight chance of light sleet early in the afternoon. Waves 7 to 10 feet subsiding to 5 to 8 feet late. Waves occasionally to 13 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Snow likely in the evening. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves occasionally to 9 feet. .SUNDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Chance of rain in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of rain in the evening. Slight chance of snow through the night. Slight chance of rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-042215- Duluth MN to Port Wing WI- 1013 AM CDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 20 to 25 knots becoming north 15 to 20 knots with gusts to around 25 knots late. Snow likely and slight chance of rain late in the morning, then snow in the afternoon. Waves 6 to 9 feet subsiding to 4 to 7 feet late. Waves occasionally to 12 feet. .TONIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots with gusts to around 20 knots early in the morning. Snow likely in the evening. Waves 4 to 6 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 8 feet. .SUNDAY...West wind 10 to 15 knots. Chance of rain and snow in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of rain in the evening, then slight chance of rain and snow after midnight. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ146-042215- Port Wing to Sand Island WI- 1013 AM CDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 20 to 25 knots. Slight chance of light sleet late in the morning. Slight chance of rain in the late morning and early afternoon. Snow through the day. Waves 6 to 9 feet. Waves occasionally to 12 feet. .TONIGHT...Northwest wind 15 to 20 knots becoming northwest 15 to 20 knots with gusts to around 25 knots after midnight. Snow likely in the evening. Waves 4 to 7 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 9 feet. .SUNDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 10 knots late in the morning, then rising to 10 to 15 knots in the afternoon. Slight chance of rain and snow in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...West wind 10 to 15 knots becoming northwest 15 to 20 knots early in the morning. Chance of rain through the night. Slight chance of snow after midnight. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ147-042215- Sand Island to Bayfield WI- 1013 AM CDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...Northeast wind 20 to 25 knots. Slight chance of light sleet late in the morning. Snow and slight chance of rain through the day. Waves 6 to 9 feet. Waves occasionally to 11 feet. .TONIGHT...North wind 15 to 20 knots becoming northwest with gusts to around 25 knots after midnight. Snow likely in the evening, then slight chance of snow after midnight. Waves 4 to 7 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 9 feet. .SUNDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Slight chance of rain and snow in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...West wind 10 to 15 knots becoming northwest with gusts to around 20 knots early in the morning. Chance of rain and snow. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ150-042215- Outer Apostle Islands Beyond 5 NM from Mainland- 1013 AM CDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TODAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots in the late morning and early afternoon. Slight chance of light sleet late in the morning. Snow and slight chance of rain through the day. Waves 8 to 11 feet. Waves occasionally to 14 feet. .TONIGHT...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 5 to 8 feet subsiding to 4 to 6 feet after midnight. Waves occasionally to 10 feet. .SUNDAY...West wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Slight chance of rain and snow in the afternoon. Waves 3 to 5 feet subsiding to 1 to 2 feet in the afternoon. A small craft advisory may be needed. .SUNDAY NIGHT...West wind 10 to 15 knots becoming northwest 15 to 20 knots early in the morning. Chance of rain through the night. Chance of snow after midnight. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-042215- Oak Point to Saxon Harbor WI- 1013 AM CDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SUNDAY MORNING... .REST OF TODAY...Northeast wind 15 to 20 knots. Slight chance of light sleet late in the morning. Rain and snow likely through the day. Waves 5 to 8 feet subsiding to 3 to 5 feet late. Waves occasionally to 11 feet. .TONIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots. Snow likely in the evening, then chance of snow after midnight. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SUNDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 10 knots late in the afternoon. Slight chance of rain and snow in the afternoon. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. .SUNDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Chance of rain and snow. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes JDS