FZUS53 KDLH 061914 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 214 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. LSZ140-070400- Grand Portage to Grand Marais MN- 214 PM CDT Mon Apr 6 2026 .TONIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots late in the night. 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 flurries in the evening, then chance of snow after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .WEDNESDAY...Southeast wind 15 to 20 knots with gusts to around 25 knots. Rain likely in the morning. Snow likely through the day. Rain in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-070400- Grand Marais to Taconite Harbor MN- 214 PM CDT Mon Apr 6 2026 .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 5 to 10 knots becoming southwest 10 to 15 knots in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...South wind 5 knots becoming southeast 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Chance of flurries in the evening, then chance of snow after midnight. Waves 1 to 2 feet. .WEDNESDAY...Southeast wind 10 to 15 knots with gusts to around 20 knots. Snow and rain likely in the morning, then rain and slight chance of snow in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ142-070400- Taconite Harbor to Silver Bay Harbor MN- 214 PM CDT Mon Apr 6 2026 .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. Slight chance of snow in the evening, then chance of snow after midnight. Waves 1 foot or less. .WEDNESDAY...Southeast wind 5 to 10 knots becoming east late in the afternoon. Chance of rain and snow in the morning, then rain and slight chance of snow in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-070400- Silver Bay Harbor to Two Harbors MN- 214 PM CDT Mon Apr 6 2026 .TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .TUESDAY...West wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 to 10 knots becoming south early in the morning. Chance of snow and slight chance of rain after midnight. Waves 1 to 2 feet. .WEDNESDAY...Southeast wind 10 to 15 knots. Chance of rain and snow in the morning, then rain in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-070400- Two Harbors to Duluth MN- 214 PM CDT Mon Apr 6 2026 .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 becoming south 10 to 15 knots with gusts to around 20 knots after midnight. Chance of flurries in the evening, then chance of snow and rain after midnight. Waves 1 to 2 feet. .WEDNESDAY...Southeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain and snow in the morning, then rain in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ145-070400- Duluth MN to Port Wing WI- 214 PM CDT Mon Apr 6 2026 .TONIGHT...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 knots after midnight, then becoming west late in the night. Mostly clear. Waves 1 to 2 feet. .TUESDAY...Southwest wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 10 to 15 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Chance of snow and rain after midnight. Waves 1 to 2 feet. .WEDNESDAY...South wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Chance of rain and snow in the morning, then rain in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ146-070400- Port Wing to Sand Island WI- 214 PM CDT Mon Apr 6 2026 .TONIGHT...Northwest wind 5 to 10 knots becoming west late in the night. Mostly cloudy early in the evening then clearing. 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 10 to 15 knots. Gusts up to 20 knots after midnight. Slight chance of snow in the evening, then chance of snow and rain after midnight. Waves 1 foot or less. .WEDNESDAY...South wind 10 to 15 knots with gusts to around 20 knots. Chance of rain and snow in the morning, then rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-070400- Sand Island to Bayfield WI- 214 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy early in the evening then clearing. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .TUESDAY...Southwest wind 5 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 10 to 15 knots with gusts to around 20 knots. Slight chance of snow in the evening, then chance of snow and slight chance of light freezing rain after midnight. Waves 1 foot or less. .WEDNESDAY...South wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Chance of rain and snow in the morning, then rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-070400- Outer Apostle Islands Beyond 5 NM from Mainland- 214 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Mostly cloudy early in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .TUESDAY...West wind 5 to 10 knots becoming southwest in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 15 to 20 knots. Slight chance of snow in the evening, then chance of snow after midnight. Waves 1 to 2 feet. .WEDNESDAY...South wind 15 to 20 knots. Chance of rain and snow in the morning, then rain in the afternoon. Waves 1 to 3 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-070400- Oak Point to Saxon Harbor WI- 214 PM CDT Mon Apr 6 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots late in the night. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .TUESDAY...Southwest wind 5 to 10 knots becoming south late in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 knots becoming south 15 to 20 knots with gusts to around 25 knots in the late evening and overnight. Slight chance of snow in the evening, then chance of rain, snow and slight chance of light freezing rain after midnight. Waves 1 to 2 feet. .WEDNESDAY...South wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots late in the afternoon. Chance of rain in the morning, then rain in the afternoon. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH