FZUS53 KDLH 252010 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 309 PM CDT Sat Apr 25 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. LSZ140-260400- Grand Portage to Grand Marais MN- 309 PM CDT Sat Apr 25 2026 .TONIGHT...East wind 5 knots becoming northeast in the late evening and overnight. Slight chance of rain showers after midnight. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots. Chance of rain showers through the day. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots. Slight chance of rain showers in the evening. Waves 1 to 2 feet. .MONDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Chance of rain showers in the morning, then rain showers in the afternoon. Waves 1 to 3 feet building to 4 to 6 feet in the late morning and afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. $$ LSZ141-260400- Grand Marais to Taconite Harbor MN- 309 PM CDT Sat Apr 25 2026 .TONIGHT...East wind 5 knots becoming northeast after midnight. Slight chance of rain showers late in the evening. Chance of rain showers after midnight. Waves 1 foot or less. .SUNDAY...Northeast wind 5 knots becoming east in the afternoon. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Chance of rain showers in the evening. Slight chance of rain showers after midnight. Waves 1 to 3 feet. .MONDAY...East wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers in the morning, then rain showers in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ142-260400- Taconite Harbor to Silver Bay Harbor MN- 309 PM CDT Sat Apr 25 2026 .TONIGHT...Northeast wind 5 knots. Chance of rain showers in the late evening and early morning. Rain showers likely late in the night. Waves 1 foot or less. .SUNDAY...Northeast wind 5 knots rising to 5 to 10 knots in the afternoon. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Slight chance of rain showers. Waves 1 to 3 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain showers in the morning, then rain showers in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ143-260400- Silver Bay Harbor to Two Harbors MN- 309 PM CDT Sat Apr 25 2026 .TONIGHT...Northeast wind 5 knots. Chance of sprinkles early in the evening, then chance of rain showers late in the evening. Rain showers likely after midnight. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots rising to 10 to 15 knots late in the afternoon. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet building to 1 to 3 feet early in the morning. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rain showers likely in the morning, then rain showers in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ144-260400- Two Harbors to Duluth MN- 309 PM CDT Sat Apr 25 2026 .TONIGHT...Northeast wind 5 knots. Chance of rain showers in the evening, then rain showers likely after midnight. Waves 1 foot or less. .SUNDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Rain showers likely in the morning, then slight chance of rain showers in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots early in the morning. Chance of rain showers through the night. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet. A small craft advisory may be needed. $$ LSZ145-260400- Duluth MN to Port Wing WI- 309 PM CDT Sat Apr 25 2026 .TONIGHT...Northeast wind 5 knots. Chance of rain showers until early morning, then rain showers likely late in the night. Waves 1 foot or less. .SUNDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Rain showers likely in the morning, then slight chance of rain showers in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots early in the morning. Chance of rain showers through the night. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .MONDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots early in the morning then 25 knots in the afternoon. Rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 2 to 4 feet. A small craft advisory may be needed. $$ LSZ146-260400- Port Wing to Sand Island WI- 309 PM CDT Sat Apr 25 2026 .TONIGHT...Northeast wind 5 knots. Chance of sprinkles early in the evening, then slight chance of rain showers late in the evening. Chance of rain showers after midnight. Waves 1 foot or less. .SUNDAY...Northeast wind 10 to 15 knots. Chance of rain showers through the day. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late evening and overnight. Chance of rain showers in the evening. Slight chance of rain showers after midnight. Waves 1 to 3 feet. .MONDAY...Northeast wind 15 to 20 knots. Slight chance of rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 2 to 4 feet. A small craft advisory may be needed. $$ LSZ147-260400- Sand Island to Bayfield WI- 309 PM CDT Sat Apr 25 2026 .TONIGHT...East wind 5 knots becoming northeast in the late evening and overnight. Chance of sprinkles early in the evening. Slight chance of rain showers late in the evening, then chance of rain showers after midnight. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming northeast late in the afternoon. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Slight chance of rain showers. Waves 1 to 2 feet. .MONDAY...East wind 10 to 15 knots with gusts to around 20 knots. Rain showers likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. A small craft advisory may be needed. $$ LSZ150-260400- Outer Apostle Islands Beyond 5 NM from Mainland- 309 PM CDT Sat Apr 25 2026 .TONIGHT...Northeast wind 5 to 10 knots. Chance of sprinkles early in the evening. Slight chance of rain showers in the late evening and early morning, then chance of rain showers late in the night. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots. Mostly cloudy. Waves 1 to 3 feet. .MONDAY...East wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the afternoon. Rain showers likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ121-260400- Chequamegon Bay-Bayfield to Oak Point WI- 309 PM CDT Sat Apr 25 2026 .TONIGHT...Northeast wind 5 knots becoming north in the late evening and overnight. Chance of sprinkles early in the evening. Slight chance of rain showers in the late evening and early morning, then chance of rain showers late in the night. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming northeast in the afternoon. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 10 to 15 knots. Slight chance of rain showers in the evening. Waves 1 to 2 feet. .MONDAY...East wind 10 to 15 knots with gusts to around 20 knots. Rain showers likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ148-260400- Oak Point to Saxon Harbor WI- 309 PM CDT Sat Apr 25 2026 .TONIGHT...Northeast wind 5 knots becoming north in the late evening and overnight. Chance of sprinkles early in the evening. Slight chance of rain showers in the late evening and overnight. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming northeast in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 10 to 15 knots. Mostly cloudy. Waves 1 to 2 feet. .MONDAY...East wind 10 to 15 knots with gusts to around 20 knots. Rain showers likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH