FZUS53 KDLH 151000 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 500 AM 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. LSZ140-151600- Grand Portage to Grand Marais MN- 500 AM CDT Mon Jun 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots late in the morning, then increasing to 30 knots early in the afternoon decreasing to 25 knots late in the afternoon. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet building to 4 to 6 feet in the late morning and afternoon. Waves occasionally to 7 feet. .TONIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots becoming north 5 to 10 knots early in the morning. Chance of showers and thunderstorms in the evening. 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. $$ LSZ141-151600- Grand Marais to Taconite Harbor MN- 500 AM CDT Mon Jun 15 2026 .TODAY...Southwest wind 15 to 20 knots with gusts to around 25 knots. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .TONIGHT...West wind 5 to 10 knots becoming north early in the morning. Chance of showers and thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...Northeast wind 5 knots becoming south in the afternoon. Slight chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ142-151600- Taconite Harbor to Silver Bay Harbor MN- 500 AM CDT Mon Jun 15 2026 .TODAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots in the late morning and afternoon. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 5 knots becoming north early in the morning. Chance of showers and thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 1 foot or less. .TUESDAY...Variable winds 10 knots or less becoming northeast 5 knots late in the morning, then becoming variable 10 knots or less in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. $$ LSZ143-151600- Silver Bay Harbor to Two Harbors MN- 500 AM CDT Mon Jun 15 2026 .TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots becoming northwest early in the morning. Chance of showers and thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...Northeast wind 5 knots in the morning becoming variable 10 knots or less. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. $$ LSZ144-151600- Two Harbors to Duluth MN- 500 AM CDT Mon Jun 15 2026 .TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots becoming northwest early in the morning. Chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 to 2 feet. .TUESDAY...North wind 5 to 10 knots becoming northeast early in the afternoon, then becoming northwest late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...West wind 5 knots becoming south early in the morning. Mostly cloudy. Waves 1 foot or less. $$ LSZ145-151600- Duluth MN to Port Wing WI- 500 AM CDT Mon Jun 15 2026 .TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots late in the morning increasing to 25 knots, then decreasing to 20 knots late in the afternoon. Chance of showers and thunderstorms late in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots after midnight. Chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 to 2 feet. .TUESDAY...North wind 5 to 10 knots. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...West wind 5 knots becoming south in the late evening and overnight. Mostly cloudy. Waves 1 foot or less. $$ LSZ146-151600- Port Wing to Sand Island WI- 500 AM CDT Mon Jun 15 2026 .TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. 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 variable 10 knots or less 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. $$ LSZ147-151600- Sand Island to Bayfield WI- 500 AM CDT Mon Jun 15 2026 .TODAY...Southwest wind 5 to 10 knots with gusts to around 20 knots. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots becoming west early in the morning. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...North wind 5 knots becoming southeast late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Variable winds 10 knots or less becoming southwest 5 knots after midnight. Partly cloudy. Waves 1 foot or less. $$ LSZ150-151600- Outer Apostle Islands Beyond 5 NM from Mainland- 500 AM CDT Mon Jun 15 2026 .TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots early in the afternoon, then decreasing to 20 knots late in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 to 2 feet. .TONIGHT...Southwest wind 5 to 10 knots with gusts to around 20 knots becoming west early in the morning. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...Northeast wind 5 knots becoming southeast 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. $$ LSZ121-151600- Chequamegon Bay-Bayfield to Oak Point WI- 500 AM CDT Mon Jun 15 2026 .TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 foot or less. .TUESDAY...North wind 5 knots becoming northeast late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots after midnight. Partly cloudy. Waves 1 foot or less. $$ LSZ148-151600- Oak Point to Saxon Harbor WI- 500 AM CDT Mon Jun 15 2026 .TODAY...Southwest wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming east late in the afternoon. Chance of rain showers in the morning. Waves 1 foot or less. .TUESDAY NIGHT...Variable winds 10 knots or less becoming south 5 knots in the late evening and overnight. Partly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH