FZUS53 KDLH 120748 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 248 AM CDT Fri Jun 12 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. LSZ140-121600- Grand Portage to Grand Marais MN- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING 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. Slight chance of rain showers in the late morning and early afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening then 20 knots early in the morning. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally to 7 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 3 to 5 feet. A small craft advisory may be needed. .SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LSZ141-121600- Grand Marais to Taconite Harbor MN- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of rain showers in the late morning and early afternoon. Waves 1 to 2 feet building to 2 to 4 feet in the late morning and afternoon. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SATURDAY...West wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots early in the afternoon, then decreasing to 20 knots late in the afternoon. Partly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the evening then 20 knots early in the morning. Mostly cloudy. Waves 1 to 2 feet. $$ LSZ142-121600- Taconite Harbor to Silver Bay Harbor MN- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 to 2 feet. .SATURDAY...West wind 5 to 10 knots with gusts to around 20 knots. Partly sunny. Waves 1 foot or less. .SATURDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening then 20 knots early in the morning. Mostly cloudy. Waves 1 foot or less. $$ LSZ143-121600- Silver Bay Harbor to Two Harbors MN- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots early in the evening then 20 knots early in the morning. Mostly clear. Waves 1 to 2 feet. .SATURDAY...West wind 5 to 10 knots with gusts to around 20 knots. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ144-121600- Two Harbors to Duluth MN- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...West wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Sunny. Waves 1 to 3 feet. .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the evening then 20 knots early in the morning. Mostly clear. Waves 1 to 2 feet. .SATURDAY...West wind 10 to 15 knots with gusts to around 20 knots. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. $$ LSZ145-121600- Duluth MN to Port Wing WI- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...West wind 10 to 15 knots with gusts to around 25 knots. Sunny. Waves 1 to 2 feet building to 2 to 4 feet in the late morning and afternoon. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots early in the evening then 20 knots early in the morning. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SATURDAY...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. $$ LSZ146-121600- Port Wing to Sand Island WI- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southwest wind 15 to 20 knots with gusts to around 30 knots becoming west 5 to 15 knots with gusts to around 25 knots late in the afternoon. Sunny. Waves 2 to 4 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening then 20 knots early in the morning. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SATURDAY...Southwest wind 10 knots becoming west in the late morning and early afternoon, then easing to 10 knots late in the afternoon. Gusts up to 20 knots. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. $$ LSZ147-121600- Sand Island to Bayfield WI- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 30 knots easing to 5 to 15 knots with gusts to around 25 knots late in the afternoon. Sunny. Waves 2 to 4 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Mostly clear. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SATURDAY...West wind 5 to 10 knots with gusts to around 20 knots. Sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening then 20 knots early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. $$ LSZ150-121600- Outer Apostle Islands Beyond 5 NM from Mainland- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and early afternoon, then decreasing to 25 knots late in the afternoon. Sunny. Waves 2 to 4 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SATURDAY...West wind 10 to 15 knots with gusts to around 20 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. $$ LSZ121-121600- Chequamegon Bay-Bayfield to Oak Point WI- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...West wind 10 to 15 knots with gusts to around 25 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots becoming southwest 5 to 10 knots with gusts to around 20 knots in the late evening and overnight. Partly cloudy. Waves 1 foot or less. .SATURDAY...West wind 10 to 15 knots. Gusts up to 25 knots. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the evening then 20 knots early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ148-121600- Oak Point to Saxon Harbor WI- 248 AM CDT Fri Jun 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 15 knots with gusts to around 25 knots late in the afternoon. Sunny. Waves 1 to 3 feet. .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots becoming southwest with gusts to around 20 knots in the late evening and overnight. Partly cloudy. Waves 1 to 2 feet. .SATURDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming west 10 to 15 knots with gusts to around 25 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the evening then 20 knots early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH