FZUS53 KDLH 261638 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1138 AM CDT Sun Apr 26 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. LSZ140-262200- Grand Portage to Grand Marais MN- 1138 AM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... .REST OF TODAY...Northeast wind 5 to 10 knots. Chance of rain showers late in the morning, then slight chance of rain showers late. Waves 1 foot or less. .TONIGHT...Northeast wind 15 to 20 knots. Slight chance of rain showers after midnight. Waves 1 to 2 feet. .MONDAY...Northeast 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 1 to 3 feet building to 4 to 6 feet in the late morning and afternoon. Waves occasionally to 8 feet. .MONDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north with gusts to around 30 knots after midnight. Rain showers. Waves 4 to 6 feet. Waves occasionally to 8 feet. $$ LSZ141-262200- Grand Marais to Taconite Harbor MN- 1138 AM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... .REST OF TODAY...Northeast wind 5 to 10 knots. Chance of rain showers late in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain showers after midnight. Waves 1 to 3 feet. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rain showers likely in the morning, then rain showers in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming north 15 to 20 knots with gales to around 35 knots after midnight. Rain showers. Waves 3 to 5 feet. Waves occasionally to 7 feet. A gale warning may be needed. $$ LSZ142-262200- Taconite Harbor to Silver Bay Harbor MN- 1138 AM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... .REST OF TODAY...Northeast wind 5 knots. Slight chance of rain showers. Waves 1 foot or less. .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 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. Waves 4 to 6 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...North wind 10 to 15 knots with gusts to around 25 knots becoming northwest 15 to 20 knots with gales to around 35 knots after midnight. Rain showers. Waves 3 to 5 feet. Waves occasionally to 7 feet. A gale warning may be needed. $$ LSZ143-262200- Silver Bay Harbor to Two Harbors MN- 1138 AM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... .REST OF TODAY...East wind 5 knots becoming northeast late. Slight chance of rain showers. Waves 1 foot or less. .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet building to 1 to 3 feet early in the morning. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rain showers. Waves 4 to 6 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 15 to 20 knots with gusts to around 30 knots after midnight. Rain showers. Waves 3 to 5 feet. Waves occasionally to 7 feet. $$ LSZ144-262200- Two Harbors to Duluth MN- 1138 AM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... .REST OF TODAY...East wind 5 to 10 knots becoming northeast late. Slight chance of rain showers. Waves 1 foot or less. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots early in the morning. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rain showers. Waves 3 to 5 feet. .MONDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest 20 to 25 knots with gales to around 35 knots in the late evening and overnight. Rain showers likely in the evening, then rain showers after midnight. Waves 3 to 5 feet. A gale warning may be needed. $$ LSZ145-262200- Duluth MN to Port Wing WI- 1138 AM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... .REST OF TODAY...Northeast wind 5 to 10 knots. Chance of rain showers late in the morning, then slight chance of rain showers in the afternoon. Waves 1 to 2 feet. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots early in the morning. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .MONDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots in the morning. Rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet. .MONDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest 20 to 25 knots with gusts to around 30 knots in the late evening and overnight. Rain showers likely and slight chance of thunderstorms in the evening, then rain showers after midnight. Waves 3 to 5 feet. Waves occasionally to 7 feet. $$ LSZ146-262200- Port Wing to Sand Island WI- 1138 AM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .REST OF TODAY...Northeast wind 5 to 10 knots. Chance of rain showers late in the morning, then slight chance of rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 15 to 20 knots. Chance of rain showers after midnight. Waves 1 to 3 feet. .MONDAY...Northeast wind 15 to 20 knots. Rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .MONDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming northwest 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of thunderstorms in the evening. Rain showers through the night. Waves 2 to 4 feet. $$ LSZ147-262200- Sand Island to Bayfield WI- 1138 AM CDT Sun Apr 26 2026 .REST OF TODAY...North wind 5 to 10 knots. Chance of rain showers late in the morning, then slight chance of rain showers late. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Chance of rain showers after midnight. Waves 1 to 2 feet. .MONDAY...East wind 10 to 15 knots with gusts to around 20 knots. Rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. A small craft advisory may be needed. .MONDAY NIGHT...East wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots after midnight. Rain showers likely and slight chance of thunderstorms in the evening, then rain showers after midnight. Waves 2 to 4 feet. A small craft advisory may be needed. $$ LSZ150-262200- Outer Apostle Islands Beyond 5 NM from Mainland- 1138 AM CDT Sun Apr 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .REST OF TODAY...North wind 5 knots becoming northeast late. Chance of rain showers late in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 15 to 20 knots. Slight chance of rain showers after midnight. Waves 1 to 2 feet building to 1 to 3 feet after midnight. .MONDAY...East wind 15 to 20 knots. Chance of rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. .MONDAY NIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming northwest 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of thunderstorms in the evening. Rain showers through the night. Waves 3 to 5 feet. Waves occasionally to 7 feet. $$ LSZ121-262200- Chequamegon Bay-Bayfield to Oak Point WI- 1138 AM CDT Sun Apr 26 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Chance of rain showers late in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Chance of rain showers after midnight. Waves 1 foot or less. .MONDAY...East wind 10 to 15 knots. Gusts up to 20 knots late in the morning then 20 knots late in the afternoon. Rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .MONDAY NIGHT...Northeast wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the late evening and early morning, then rising to 15 to 20 knots with gusts to around 25 knots early in the morning. Rain showers likely and slight chance of thunderstorms in the evening, then rain showers after midnight. Waves 1 to 2 feet. $$ LSZ148-262200- Oak Point to Saxon Harbor WI- 1138 AM CDT Sun Apr 26 2026 .REST OF TODAY...North wind 5 to 10 knots. Chance of rain showers late in the morning, then slight chance of rain showers early in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 10 to 15 knots. Chance of rain showers after midnight. Waves 1 to 2 feet. .MONDAY...East wind 10 to 15 knots. Gusts up to 20 knots late in the morning then 20 knots late in the afternoon. Chance of rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .MONDAY NIGHT...East wind 5 to 10 knots becoming north 10 to 15 knots with gusts to around 20 knots late in the evening, then becoming northwest 15 to 20 knots with gusts to around 25 knots after midnight. Slight chance of thunderstorms in the evening. Rain showers through the night. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight, then building to 1 to 3 feet early in the morning. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH