FZUS53 KDLH 291823 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 123 PM CDT Wed Apr 29 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. LSZ140-292200- Grand Portage to Grand Marais MN- 123 PM CDT Wed Apr 29 2026 .REST OF TODAY...Southeast wind 5 to 10 knots becoming south late. Chance of rain and snow. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots becoming north after midnight. Chance of rain and snow in the evening, then chance of flurries and slight chance of rain after midnight. Waves 1 foot or less. .THURSDAY...North wind 5 to 10 knots becoming southeast early in the afternoon, then becoming southwest late in the afternoon. Slight chance of snow in the morning, then chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 to 10 knots becoming north in the late evening and overnight. Chance of snow in the evening. Waves 1 foot or less. $$ LSZ141-292200- Grand Marais to Taconite Harbor MN- 123 PM CDT Wed Apr 29 2026 .REST OF TODAY...West wind 5 to 10 knots becoming south late. Chance of rain and snow. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming north early in the morning. Chance of rain in the evening, then chance of flurries and slight chance of rain after midnight. Waves 1 foot or less. .THURSDAY...North wind 5 knots becoming southwest in the afternoon. Chance of sprinkles and flurries in the morning, then chance of snow and rain in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 knots becoming north in the late evening and overnight. Slight chance of rain and snow in the evening. Waves 1 foot or less. $$ LSZ142-292200- Taconite Harbor to Silver Bay Harbor MN- 123 PM CDT Wed Apr 29 2026 .REST OF TODAY...West wind 5 knots. Slight chance of rain early in the afternoon, then chance of rain late. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots becoming northwest in the late evening and early morning, then becoming north early in the morning. Chance of sprinkles through the night. Chance of flurries after midnight. Waves 1 foot or less. .THURSDAY...North wind 5 knots becoming south early in the afternoon, then becoming southwest late in the afternoon. Chance of sprinkles and flurries in the morning, then chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 knots becoming north in the late evening and overnight. Slight chance of rain and snow in the evening. Waves 1 foot or less. $$ LSZ143-292200- Silver Bay Harbor to Two Harbors MN- 123 PM CDT Wed Apr 29 2026 .REST OF TODAY...West wind 5 knots becoming south late. Slight chance of rain early in the afternoon, then chance of rain late. Waves 1 foot or less. .TONIGHT...Southwest wind 5 to 10 knots becoming northwest in the late evening and overnight. Chance of sprinkles and flurries through the night. Waves 1 foot or less. .THURSDAY...North wind 5 knots becoming south in the afternoon. Chance of snow and rain in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Southwest wind 5 knots becoming north in the late evening and overnight. Slight chance of rain in the evening. Waves 1 foot or less. $$ LSZ144-292200- Two Harbors to Duluth MN- 123 PM CDT Wed Apr 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 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, then chance of rain late. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots becoming northwest in the late evening and overnight. Chance of sprinkles in the evening. Waves 1 foot or less. .THURSDAY...North wind 5 to 10 knots becoming east in the afternoon. Slight chance of rain in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...North wind 5 knots. Chance of sprinkles through the night. Waves 1 foot or less. $$ LSZ145-292200- Duluth MN to Port Wing WI- 123 PM CDT Wed Apr 29 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Chance of sprinkles through the day. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots. Chance of sprinkles in the evening. Waves 1 foot or less. .THURSDAY...North wind 5 to 10 knots becoming northeast late in the afternoon. Chance of sprinkles and slight chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...North wind 5 knots. Chance of sprinkles through the night. Waves 1 foot or less. $$ LSZ146-292200- Port Wing to Sand Island WI- 123 PM CDT Wed Apr 29 2026 .REST OF TODAY...West wind 5 to 10 knots. Chance of sprinkles early in the afternoon, then chance of rain late. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest after midnight. Chance of sprinkles and flurries through the night. Waves 1 foot or less. .THURSDAY...North wind 5 knots becoming northeast early in the afternoon, then becoming west late in the afternoon. Chance of flurries in the morning. Chance of sprinkles through the day. Slight chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 knots becoming north in the late evening and overnight. Chance of sprinkles in the evening. Waves 1 foot or less. $$ LSZ147-292200- Sand Island to Bayfield WI- 123 PM CDT Wed Apr 29 2026 .REST OF TODAY...Northwest wind 5 to 10 knots. Chance of sprinkles early in the afternoon, then slight chance of rain late. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots easing to 5 knots early in the morning. Chance of sprinkles and flurries through the night. Waves 1 foot or less. .THURSDAY...North wind 5 knots becoming northeast early in the afternoon, then becoming west late in the afternoon. Chance of flurries in the morning. Chance of sprinkles through the day. Slight chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 knots becoming north early in the morning. Chance of sprinkles and flurries in the evening. Waves 1 foot or less. $$ LSZ150-292200- Outer Apostle Islands Beyond 5 NM from Mainland- 123 PM CDT Wed Apr 29 2026 .REST OF TODAY...Northwest wind 10 to 15 knots. Chance of sprinkles. Waves 1 foot or less. .TONIGHT...Northwest wind 5 to 10 knots becoming north early in the morning. Chance of sprinkles through the night. Chance of flurries after midnight. Waves 1 foot or less. .THURSDAY...North wind 5 knots becoming southwest late in the afternoon. Chance of sprinkles and flurries through the day. Waves 1 foot or less. .THURSDAY NIGHT...West wind 5 knots becoming north early in the morning. Chance of sprinkles and slight chance of snow in the evening. Waves 1 foot or less. $$ LSZ121-292200- Chequamegon Bay-Bayfield to Oak Point WI- 123 PM CDT Wed Apr 29 2026 .REST OF TODAY...North wind 10 to 15 knots. Gusts up to 20 knots late. Chance of sprinkles early in the afternoon, then slight chance of rain late. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots. Chance of sprinkles through the night. Chance of flurries after midnight. Waves 1 foot or less. .THURSDAY...North wind 5 knots becoming northeast in the afternoon. Chance of flurries in the morning. Chance of sprinkles through the day. Slight chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...North wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots after midnight. Chance of sprinkles and flurries through the night. Waves 1 foot or less. $$ LSZ148-292200- Oak Point to Saxon Harbor WI- 123 PM CDT Wed Apr 29 2026 .REST OF TODAY...North wind 10 to 15 knots. Chance of sprinkles through the day. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots. Chance of sprinkles through the night. Chance of flurries after midnight. Waves 1 foot or less. .THURSDAY...North wind 5 to 10 knots becoming northeast in the afternoon. Chance of flurries in the morning. Chance of sprinkles through the day. Slight chance of snow in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots becoming northwest in the late evening and overnight. Chance of sprinkles and flurries through the night. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH