FZUS53 KDLH 281000 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 500 AM CDT Tue Apr 28 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. LSZ140-281600- Grand Portage to Grand Marais MN- 500 AM CDT Tue Apr 28 2026 ...GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...Northwest wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Chance of rain early in the morning. Waves 3 to 5 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming west in the afternoon. Slight chance of rain and snow in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest wind 5 knots becoming north after midnight. Mostly cloudy. Waves 1 foot or less. $$ LSZ141-281600- Grand Marais to Taconite Harbor MN- 500 AM CDT Tue Apr 28 2026 ...GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots. Slight chance of rain early in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots. Slight chance of rain and snow in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest wind 5 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ142-281600- Taconite Harbor to Silver Bay Harbor MN- 500 AM CDT Tue Apr 28 2026 ...GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots. Slight chance of rain early in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .WEDNESDAY...West wind 5 knots. Slight chance of rain in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ143-281600- Silver Bay Harbor to Two Harbors MN- 500 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 15 to 20 knots with gusts to around 30 knots becoming northwest 10 knots with gusts to around 20 knots. Partly sunny until late afternoon then clearing. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .WEDNESDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ144-281600- Two Harbors to Duluth MN- 500 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ145-281600- Duluth MN to Port Wing WI- 500 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Partly sunny in the morning then clearing. Waves 3 to 5 feet subsiding to 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ146-281600- Port Wing to Sand Island WI- 500 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 20 to 25 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of rain early in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...North wind 5 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ147-281600- Sand Island to Bayfield WI- 500 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of rain early in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ150-281600- Outer Apostle Islands Beyond 5 NM from Mainland- 500 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Slight chance of rain early in the morning. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally to 7 feet. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ121-281600- Chequamegon Bay-Bayfield to Oak Point WI- 500 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northwest wind 5 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ148-281600- Oak Point to Saxon Harbor WI- 500 AM CDT Tue Apr 28 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of rain early in the morning. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon. .TONIGHT...Northwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots becoming north late in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...North wind 5 knots. Mostly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH