FZUS53 KDLH 272208 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 507 PM CDT Fri Mar 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. LSZ140-280400- Grand Portage to Grand Marais MN- 507 PM CDT Fri Mar 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 10 to 15 knots. Gusts up to 20 knots early in the evening increasing to 25 knots, then decreasing to 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. .SATURDAY...West wind 5 to 10 knots becoming southwest 20 to 25 knots with gusts to around 30 knots in the late morning and afternoon. Slight chance of snow in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. A small craft advisory may be needed. .SATURDAY NIGHT...Southeast wind 5 to 10 knots becoming northeast in the late evening and overnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SUNDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-280400- Grand Marais to Taconite Harbor MN- 507 PM CDT Fri Mar 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 10 to 15 knots. Gusts up to 25 knots. Partly cloudy then becoming clear after midnight then becoming partly cloudy. Waves 1 to 2 feet. .SATURDAY...Southwest wind 10 to 15 knots with gusts to around 25 knots. Slight chance of snow in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Northeast wind 5 to 10 knots easing to 5 knots after midnight. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-280400- Taconite Harbor to Silver Bay Harbor MN- 507 PM CDT Fri Mar 27 2026 .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots late in the night. Mostly clear. Waves 1 to 2 feet. .SATURDAY...Southwest wind 15 to 20 knots with gusts to around 25 knots becoming south 10 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of snow. Waves 1 to 2 feet building to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...Northeast wind 5 to 10 knots easing to 5 knots after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .SUNDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-280400- Silver Bay Harbor to Two Harbors MN- 507 PM CDT Fri Mar 27 2026 .TONIGHT...West wind 5 to 10 knots with gusts to around 20 knots becoming west 5 to 10 knots late in the night. Slight chance of snow early in the evening. Waves 1 foot or less. .SATURDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and early afternoon, then decreasing to 20 knots late in the afternoon. Slight chance of snow. Waves 1 to 2 feet building to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...East wind 5 to 10 knots becoming northeast in the late evening and overnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .SUNDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-280400- Two Harbors to Duluth MN- 507 PM CDT Fri Mar 27 2026 .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots becoming southwest 5 to 10 knots late in the night. Slight chance of snow early in the evening. Waves 1 to 2 feet. .SATURDAY...Southwest wind 15 to 20 knots easing to 10 to 15 knots in the afternoon. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of snow in the morning. Waves 1 to 3 feet. .SATURDAY NIGHT...South wind 5 to 10 knots becoming northeast in the late evening and overnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .SUNDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-280400- Duluth MN to Port Wing WI- 507 PM CDT Fri Mar 27 2026 .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots becoming southwest 5 to 10 knots late in the night. Slight chance of snow early in the evening. Waves 1 to 2 feet. .SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 30 knots. Partly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...South wind 5 to 10 knots becoming northeast in the late evening and overnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-280400- Port Wing to Sand Island WI- 507 PM CDT Fri Mar 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots becoming west 10 to 15 knots late in the night. Slight chance of snow early in the evening. Waves 1 to 3 feet. .SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of snow in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...South wind 5 to 10 knots becoming northeast after midnight. Mostly cloudy. Waves 1 to 2 feet. .SUNDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-280400- Sand Island to Bayfield WI- 507 PM CDT Fri Mar 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots late in the night. Slight chance of snow early in the evening. Waves 1 to 3 feet. .SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the afternoon. Slight chance of snow in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...South wind 5 to 10 knots becoming northeast after midnight. Mostly cloudy. Waves 1 foot or less. .SUNDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-280400- Outer Apostle Islands Beyond 5 NM from Mainland- 507 PM CDT Fri Mar 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... .TONIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots becoming west 10 to 15 knots late in the night. Slight chance of snow early in the evening. Waves 2 to 4 feet. .SATURDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of snow in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Southeast wind 10 to 15 knots becoming northeast after midnight. Mostly cloudy. Waves 1 to 2 feet. .SUNDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-280400- Oak Point to Saxon Harbor WI- 507 PM CDT Fri Mar 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots easing to 5 to 10 knots after midnight. Chance of snow early in the evening. Waves 1 to 3 feet. .SATURDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of snow in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 5 to 10 knots becoming northeast early in the morning. Mostly cloudy. Waves 1 foot or less. .SUNDAY...Northeast wind 10 to 15 knots easing to 5 to 10 knots late in the afternoon. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH