FZUS53 KDLH 271941 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 241 PM CDT Sat Jun 27 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. LSZ140-280415- Grand Portage to Grand Marais MN- 241 PM CDT Sat Jun 27 2026 .TONIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots in the evening. Slight chance of rain showers after midnight. Waves 1 to 2 feet. .SUNDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Partly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. .SUNDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming east 5 to 10 knots after midnight. Chance of showers and thunderstorms. Waves 2 to 4 feet. A small craft advisory may be needed. .MONDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 3 feet. $$ LSZ141-280415- Grand Marais to Taconite Harbor MN- 241 PM CDT Sat Jun 27 2026 .TONIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots until early morning. Slight chance of rain showers in the late evening and overnight. Waves 1 to 2 feet. .SUNDAY...East wind 10 to 15 knots. Gusts up to 25 knots. Slight chance of rain showers in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...East wind 10 to 15 knots. Gusts up to 25 knots. Rain showers likely in the evening. Chance of thunderstorms through the night. Chance of rain showers after midnight. Waves 2 to 4 feet. A small craft advisory may be needed. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 3 feet. $$ LSZ142-280415- Taconite Harbor to Silver Bay Harbor MN- 241 PM CDT Sat Jun 27 2026 .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers late in the evening. Waves 1 to 2 feet. .SUNDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Chance of rain showers in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 25 knots easing to 5 knots after midnight. Rain showers likely and chance of thunderstorms. Waves 2 to 4 feet. .MONDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 3 feet. $$ LSZ143-280415- Silver Bay Harbor to Two Harbors MN- 241 PM CDT Sat Jun 27 2026 .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Mostly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .SUNDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Rain showers likely and chance of thunderstorms. Waves 1 to 3 feet. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ144-280415- Two Harbors to Duluth MN- 241 PM CDT Sat Jun 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SUNDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .SUNDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Rain showers likely and chance of thunderstorms. Waves 1 to 3 feet. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ145-280415- Duluth MN to Port Wing WI- 241 PM CDT Sat Jun 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Mostly cloudy. Waves 1 to 3 feet. .SUNDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .SUNDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the evening. Rain showers likely in the evening. Chance of thunderstorms through the night. Chance of rain showers after midnight. Waves 1 to 3 feet. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ146-280415- Port Wing to Sand Island WI- 241 PM CDT Sat Jun 27 2026 .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly cloudy. Waves 1 to 3 feet. .SUNDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Chance of rain showers in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming northeast 5 to 10 knots early in the morning. Rain showers likely in the evening. Chance of thunderstorms through the night. Chance of rain showers after midnight. Waves 1 to 3 feet. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ147-280415- Sand Island to Bayfield WI- 241 PM CDT Sat Jun 27 2026 .TONIGHT...Northeast wind 5 to 10 knots becoming east after midnight. Slight chance of rain showers after midnight. Waves 1 to 2 feet. .SUNDAY...East wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Chance of rain showers in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...East wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of showers and thunderstorms. Waves 1 to 3 feet. .MONDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots late in the afternoon. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 2 feet. $$ LSZ150-280415- Outer Apostle Islands Beyond 5 NM from Mainland- 241 PM CDT Sat Jun 27 2026 .TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots after midnight. Slight chance of rain showers after midnight. Waves 1 to 3 feet. .SUNDAY...East wind 10 to 15 knots. Gusts up to 25 knots early in the afternoon decreasing to 20 knots. Chance of rain showers in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .SUNDAY NIGHT...East wind 10 to 15 knots. Gusts up to 25 knots. Chance of showers and thunderstorms. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .MONDAY...East wind 10 to 15 knots with gusts to around 20 knots. Chance of thunderstorms in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ121-280415- Chequamegon Bay-Bayfield to Oak Point WI- 241 PM CDT Sat Jun 27 2026 .TONIGHT...Northeast wind 5 to 10 knots becoming east after midnight. Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Waves 1 to 2 feet. .SUNDAY...East wind 5 to 10 knots. Chance of rain showers in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...East wind 5 to 10 knots. Chance of showers in the evening. Chance of thunderstorms through the night. Showers likely after midnight. Waves 1 to 2 feet. .MONDAY...East wind 5 to 10 knots. Slight chance of showers and thunderstorms. Waves 1 foot or less. $$ LSZ148-280415- Oak Point to Saxon Harbor WI- 241 PM CDT Sat Jun 27 2026 .TONIGHT...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming southeast after midnight. Mostly cloudy until early morning then becoming partly cloudy. Waves 1 to 2 feet. .SUNDAY...East wind 10 to 15 knots with gusts to around 20 knots. Slight chance of rain showers in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...East wind 5 to 10 knots. Gusts up to 20 knots in the late evening and early morning. Showers likely in the evening. Chance of thunderstorms through the night. Chance of showers after midnight. Waves 1 to 2 feet. .MONDAY...East wind 5 to 10 knots. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes JDS