@ FZUS53 KDLH 191813 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 113 PM CDT Tue May 19 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. LSZ140-192200- Grand Portage to Grand Marais MN- 113 PM CDT Tue May 19 2026 .REST OF TODAY...West wind 5 to 10 knots. Gusts up to 20 knots late. Chance of sprinkles. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Chance of sprinkles in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming southwest late in the morning, then rising to 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. $$ LSZ141-192200- Grand Marais to Taconite Harbor MN- 113 PM CDT Tue May 19 2026 .REST OF TODAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Chance of sprinkles early in the afternoon. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northeast 5 knots early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ142-192200- Taconite Harbor to Silver Bay Harbor MN- 113 PM CDT Tue May 19 2026 .REST OF TODAY...West wind 5 to 10 knots with gusts to around 20 knots. Chance of sprinkles early in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming south late in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots becoming northeast in the late evening and overnight. Mostly clear. Waves 1 foot or less. $$ LSZ143-192200- Silver Bay Harbor to Two Harbors MN- 113 PM CDT Tue May 19 2026 .REST OF TODAY...West wind 5 to 10 knots with gusts to around 20 knots. Chance of sprinkles early in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming south in the late morning and early afternoon, then becoming southeast late in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots becoming northeast after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ144-192200- Two Harbors to Duluth MN- 113 PM CDT Tue May 19 2026 .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots late. Chance of sprinkles early in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming southwest late in the morning, then becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ145-192200- Duluth MN to Port Wing WI- 113 PM CDT Tue May 19 2026 .REST OF TODAY...West wind 10 to 15 knots with gusts to around 20 knots. Chance of sprinkles early in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. .WEDNESDAY...West wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ146-192200- Port Wing to Sand Island WI- 113 PM CDT Tue May 19 2026 .REST OF TODAY...West wind 10 knots rising to 10 to 15 knots late. Gusts up to 20 knots. Chance of sprinkles early in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet. .WEDNESDAY...West wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ147-192200- Sand Island to Bayfield WI- 113 PM CDT Tue May 19 2026 .REST OF TODAY...West wind 10 to 15 knots with gusts to around 20 knots. Chance of sprinkles early in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet. .WEDNESDAY...West wind 5 knots becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ150-192200- Outer Apostle Islands Beyond 5 NM from Mainland- 113 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... .REST OF TODAY...West wind 10 to 15 knots with gusts to around 20 knots. Chance of sprinkles early in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .WEDNESDAY...Northwest wind 5 knots becoming southeast in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. $$ LSZ121-192200- Chequamegon Bay-Bayfield to Oak Point WI- 113 PM CDT Tue May 19 2026 .REST OF TODAY...West wind 10 to 15 knots with gusts to around 20 knots. Chance of sprinkles early in the afternoon. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots becoming south after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ148-192200- Oak Point to Saxon Harbor WI- 113 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... .REST OF TODAY...West wind 10 to 15 knots with gusts to around 20 knots. Chance of sprinkles through the day. Waves 2 to 4 feet. .TONIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet. .WEDNESDAY...Northwest wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots becoming south after midnight. Mostly clear. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH