FZUS53 KDLH 222318 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 617 PM CDT Mon Jun 22 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. LSZ140-231000- Grand Portage to Grand Marais MN- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...West wind 5 to 10 knots becoming northwest after midnight. Partly cloudy. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming south in the late morning and early afternoon, then becoming south 5 knots late in the afternoon. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 knots becoming northeast after midnight. Chance of rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Rain showers likely in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 1 to 3 feet. $$ LSZ141-231000- Grand Marais to Taconite Harbor MN- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .TUESDAY...Southwest wind 5 knots becoming southeast early in the afternoon, then becoming east late in the afternoon. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Rain showers likely and slight chance of thunderstorms. Waves 1 to 2 feet. $$ LSZ142-231000- Taconite Harbor to Silver Bay Harbor MN- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .TUESDAY...Variable winds 10 knots or less becoming north 5 knots late in the morning, then becoming northeast in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots in the late morning and early afternoon. Rain showers likely through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ143-231000- Silver Bay Harbor to Two Harbors MN- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...Variable winds 10 knots or less. Partly cloudy until early morning then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers in the afternoon. Waves 1 to 2 feet. .TUESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ144-231000- Two Harbors to Duluth MN- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Slight chance of thunderstorms in the evening. Rain showers through the night. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ145-231000- Duluth MN to Port Wing WI- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...East wind 5 knots becoming northeast 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Slight chance of thunderstorms in the evening. Rain showers through the night. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ146-231000- Port Wing to Sand Island WI- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Southeast wind 5 knots becoming northeast with gusts to around 20 knots in the late morning and early afternoon, then rising to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Chance of rain showers in the afternoon. Waves 1 to 2 feet. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ147-231000- Sand Island to Bayfield WI- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...Southeast wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy until early morning then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...East wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 to 10 knots becoming northeast in the late evening and early morning, then becoming east early in the morning. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ150-231000- Outer Apostle Islands Beyond 5 NM from Mainland- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy until early morning then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...East wind 5 to 10 knots. Gusts up to 20 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...East wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet. .WEDNESDAY...East wind 5 to 10 knots becoming northeast with gusts to around 20 knots in the late morning and afternoon. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 3 feet. $$ LSZ121-231000- Chequamegon Bay-Bayfield to Oak Point WI- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Southeast wind 5 knots becoming east with gusts to around 20 knots in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 to 2 feet. .TUESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming east 5 knots after midnight. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming north in the afternoon. Rain showers likely in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. $$ LSZ148-231000- Oak Point to Saxon Harbor WI- 617 PM CDT Mon Jun 22 2026 .REST OF TONIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...South wind 5 knots becoming northeast with gusts to around 20 knots in the late morning and afternoon. Slight chance of rain showers in the afternoon. Waves 1 to 2 feet. .TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet. .WEDNESDAY...Southwest wind 5 knots becoming north in the late morning and early afternoon, then becoming northeast late in the afternoon. Rain showers likely in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH