FZUS53 KDLH 151822 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 122 PM CDT Mon Jun 15 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. LSZ140-152200- Grand Portage to Grand Marais MN- 122 PM CDT Mon Jun 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 15 to 20 knots with gusts to around 25 knots. Slight chance of thunderstorms early in the afternoon. Chance of rain showers through the day. Chance of thunderstorms late. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...West wind 5 to 10 knots becoming north early in the morning. Chance of showers and thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. A small craft advisory may be needed. .TUESDAY...Northeast wind 5 to 10 knots becoming southwest late in the afternoon. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Southwest wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ141-152200- Grand Marais to Taconite Harbor MN- 122 PM CDT Mon Jun 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 10 to 15 knots with gusts to around 20 knots. Chance of showers and thunderstorms. Waves 1 to 3 feet. .TONIGHT...Southwest wind 5 to 10 knots becoming north early in the morning. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 to 2 feet. .TUESDAY...Northeast wind 5 knots becoming southwest in the afternoon. Slight chance of rain showers. Waves 1 foot or less. .TUESDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ142-152200- Taconite Harbor to Silver Bay Harbor MN- 122 PM CDT Mon Jun 15 2026 .REST OF TODAY...Southwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of rain showers early in the afternoon. Slight chance of thunderstorms through the day. Chance of rain showers late. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 knots in the evening becoming variable 10 knots or less, then becoming north 5 knots early in the morning. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 foot or less. .TUESDAY...Northeast wind 5 knots in the morning becoming variable 10 knots or less. Slight chance of rain showers. Waves 1 foot or less. .TUESDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ143-152200- Silver Bay Harbor to Two Harbors MN- 122 PM CDT Mon Jun 15 2026 .REST OF TODAY...Southwest wind 5 to 10 knots with gusts to around 20 knots. Slight chance of showers and thunderstorms early in the afternoon, then chance of showers and thunderstorms late. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots in the evening becoming variable 10 knots or less. Chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 to 2 feet. .TUESDAY...North wind 5 knots becoming northeast late in the morning, then becoming south early in the afternoon becoming southwest late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ144-152200- Two Harbors to Duluth MN- 122 PM CDT Mon Jun 15 2026 .REST OF TODAY...Southwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of showers and thunderstorms early in the afternoon, then chance of showers and thunderstorms late. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots becoming northwest early in the morning. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...North wind 5 to 10 knots becoming southeast early in the afternoon, then becoming southwest late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northeast 5 knots after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ145-152200- Duluth MN to Port Wing WI- 122 PM CDT Mon Jun 15 2026 .REST OF TODAY...Southwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of showers and thunderstorms early in the afternoon, then chance of showers and thunderstorms late. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots becoming west early in the morning. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...Northeast wind 5 to 10 knots becoming northwest late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ146-152200- Port Wing to Sand Island WI- 122 PM CDT Mon Jun 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots late. Slight chance of showers and thunderstorms late. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots becoming west early in the morning. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 to 2 feet. .TUESDAY...North wind 5 knots becoming northeast early in the afternoon, then becoming southwest late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ147-152200- Sand Island to Bayfield WI- 122 PM CDT Mon Jun 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots increasing to 25 knots late. Slight chance of showers and thunderstorms late. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots until early morning becoming variable 10 knots or less. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 to 2 feet. .TUESDAY...North wind 5 knots becoming south late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southeast 5 knots early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ150-152200- Outer Apostle Islands Beyond 5 NM from Mainland- 122 PM CDT Mon Jun 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...Southwest wind 10 to 15 knots with gusts to around 25 knots. Slight chance of showers and thunderstorms late. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots becoming northwest early in the morning. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 to 2 feet. .TUESDAY...Northeast wind 5 knots becoming south late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...South wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ121-152200- Chequamegon Bay-Bayfield to Oak Point WI- 122 PM CDT Mon Jun 15 2026 .REST OF TODAY...Southwest wind 10 knots rising to 10 to 15 knots late. Gusts up to 20 knots. Chance of showers and slight chance of thunderstorms late. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots becoming west early in the morning. Chance of thunderstorms in the evening. Chance of rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...North wind 5 knots becoming northeast in the afternoon. Chance of rain showers and slight chance of thunderstorms in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming south 5 knots after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ148-152200- Oak Point to Saxon Harbor WI- 122 PM CDT Mon Jun 15 2026 .REST OF TODAY...Southwest wind 5 to 10 knots with gusts to around 20 knots. Chance of showers and slight chance of thunderstorms late. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots becoming west early in the morning. Chance of thunderstorms in the evening. Chance of rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...North wind 5 knots becoming east late in the afternoon. Chance of rain showers and slight chance of thunderstorms in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Southeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming south 5 knots after midnight. Mostly clear in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH