FZUS53 KDLH 061728 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1228 PM CDT Mon Apr 6 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. LSZ140-062200- Grand Portage to Grand Marais MN- 1228 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...North wind 15 to 20 knots with gusts to around 25 knots. Chance of snow early in the afternoon, then chance of flurries late. Waves 1 to 3 feet subsiding to 1 to 2 feet late. .TONIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots early in the morning. Mostly clear. Waves 1 to 2 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots in the afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots becoming south 15 to 20 knots with gusts to around 25 knots in the late evening and overnight. Chance of snow after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ141-062200- Grand Marais to Taconite Harbor MN- 1228 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...North wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots late. Slight chance of snow early in the afternoon, then chance of flurries late. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 5 to 10 knots becoming southwest 10 to 15 knots in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...South wind 5 knots becoming southeast 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Chance of snow after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ142-062200- Taconite Harbor to Silver Bay Harbor MN- 1228 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of snow early in the afternoon, then chance of flurries late. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 5 knots becoming southwest in the late morning and afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 to 10 knots. Chance of snow after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-062200- Silver Bay Harbor to Two Harbors MN- 1228 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...Northwest wind 5 to 10 knots with gusts to around 20 knots. Slight chance of snow early in the afternoon, then chance of flurries late. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 to 10 knots. Chance of snow and slight chance of rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-062200- Two Harbors to Duluth MN- 1228 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Chance of flurries through the day. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 15 knots easing to 5 knots after midnight. Mostly clear. Waves 1 foot or less. .TUESDAY...Southwest wind 5 knots becoming south in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 to 10 knots rising to 10 to 15 knots with gusts to around 20 knots after midnight. Chance of snow and slight chance of rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-062200- Duluth MN to Port Wing WI- 1228 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...North wind 10 to 15 knots with gusts to around 20 knots. Chance of flurries through the day. Waves 1 to 3 feet subsiding to 1 to 2 feet late. .TONIGHT...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 knots after midnight, then becoming west early in the morning. Mostly clear. Waves 1 to 2 feet. .TUESDAY...Southwest wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of snow and rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-062200- Port Wing to Sand Island WI- 1228 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .REST OF TODAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Chance of flurries through the day. Waves 2 to 4 feet. .TONIGHT...Northwest wind 5 to 10 knots becoming west early in the morning. Partly cloudy. Waves 1 to 3 feet. .TUESDAY...Southwest wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 to 10 knots. Chance of snow and slight chance of rain after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-062200- Sand Island to Bayfield WI- 1228 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Chance of flurries through the day. Waves 2 to 4 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .TUESDAY...Southwest wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 10 to 15 knots with gusts to around 20 knots. Chance of snow and slight chance of rain after midnight. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-062200- Outer Apostle Islands Beyond 5 NM from Mainland- 1228 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...North wind 15 to 20 knots with gusts to around 25 knots. Chance of flurries through the day. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Mostly cloudy in the evening then clearing. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. A small craft advisory may be needed. .TUESDAY...West wind 5 to 10 knots becoming southwest in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of snow and slight chance of rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-062200- Oak Point to Saxon Harbor WI- 1228 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots late. Chance of snow early in the afternoon, then chance of flurries late. Waves 3 to 5 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. A small craft advisory may be needed. .TUESDAY...Southwest wind 5 to 10 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 knots becoming south 10 to 15 knots with gusts to around 25 knots in the late evening and overnight. Chance of snow and rain after midnight. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH