FZUS53 KDLH 301528 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1028 AM CDT Thu Apr 30 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. LSZ140-302200- Grand Portage to Grand Marais MN- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...Northeast wind 5 knots becoming south early in the afternoon, then becoming southwest late. Chance of rain late in the morning. Chance of snow in the late morning and early afternoon, then snow likely late. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming north after midnight. Chance of snow and rain in the evening, then slight chance of rain and snow after midnight. Waves 1 foot or less. .FRIDAY...North wind 5 to 10 knots becoming southeast early in the afternoon, then becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 to 10 knots becoming northwest after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ141-302200- Grand Marais to Taconite Harbor MN- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...North wind 5 knots becoming southwest in the afternoon. Chance of snow and rain. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming north in the late evening and overnight. Chance of rain and snow in the evening, then slight chance of rain and snow after midnight. Waves 1 foot or less. .FRIDAY...North wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming west late in the evening, then becoming variable 10 knots or less after midnight. Mostly clear. Waves 1 foot or less. $$ LSZ142-302200- Taconite Harbor to Silver Bay Harbor MN- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...North wind 5 knots becoming south in the afternoon. Chance of rain and snow. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming north 5 knots after midnight. Chance of snow and slight chance of rain in the evening, then chance of flurries after midnight. Waves 1 foot or less. .FRIDAY...Northeast wind 5 knots becoming southeast in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ143-302200- Silver Bay Harbor to Two Harbors MN- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...North wind 5 knots becoming south early in the afternoon, then becoming variable 10 knots or less late. Chance of rain and snow. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming north 5 knots after midnight. Slight chance of rain and snow in the evening. Waves 1 foot or less. .FRIDAY...North wind 5 knots becoming southeast in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Variable winds 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ144-302200- Two Harbors to Duluth MN- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...North wind 5 knots becoming southeast in the afternoon. Slight chance of rain and snow late in the morning, then chance of rain and snow early in the afternoon. Slight chance of rain late. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots becoming north in the late evening and overnight. Chance of flurries and slight chance of rain in the evening. Waves 1 foot or less. .FRIDAY...North wind 5 knots becoming northeast in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ145-302200- Duluth MN to Port Wing WI- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...North wind 5 to 10 knots becoming northeast in the afternoon. Slight chance of rain and snow late in the morning, then chance of rain and snow early in the afternoon. Slight chance of rain and snow late. Waves 1 foot or less. .TONIGHT...North wind 5 knots. Chance of flurries and slight chance of rain in the evening. Waves 1 foot or less. .FRIDAY...North wind 5 knots becoming northeast in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ146-302200- Port Wing to Sand Island WI- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...North wind 5 knots in the late morning and early afternoon becoming variable 10 knots or less. Chance of snow in the late morning and early afternoon. Chance of rain through the day. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming north 5 knots after midnight. Chance of flurries and slight chance of rain in the evening. Waves 1 foot or less. .FRIDAY...Northeast wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Variable winds 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ147-302200- Sand Island to Bayfield WI- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...North wind 5 knots. Chance of rain and snow in the late morning and early afternoon, then slight chance of rain and snow late. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming north 5 knots after midnight. Slight chance of rain in the evening, then chance of flurries after midnight. Waves 1 foot or less. .FRIDAY...Northeast wind 5 knots becoming southeast late in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ150-302200- Outer Apostle Islands Beyond 5 NM from Mainland- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...North wind 5 knots becoming northeast early in the afternoon, then becoming south late. Chance of rain and snow in the late morning and early afternoon, then slight chance of rain and snow late. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots becoming north after midnight. Slight chance of rain in the evening, then chance of flurries after midnight. Waves 1 foot or less. .FRIDAY...Northeast wind 5 to 10 knots becoming southeast late in the afternoon. Partly sunny in the morning then clearing. Waves 1 foot or less. .FRIDAY NIGHT...South wind 5 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. $$ LSZ121-302200- Chequamegon Bay-Bayfield to Oak Point WI- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...North wind 5 knots becoming northeast late. Chance of rain in the late morning and early afternoon. Chance of snow in the afternoon. Slight chance of rain late. Waves 1 foot or less. .TONIGHT...North wind 5 knots early in the evening becoming variable 10 knots or less, then becoming north 5 knots after midnight. Chance of flurries and slight chance of rain in the evening. Waves 1 foot or less. .FRIDAY...North wind 5 knots becoming northeast in the afternoon. Partly sunny in the morning then clearing. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. $$ LSZ148-302200- Oak Point to Saxon Harbor WI- 1028 AM CDT Thu Apr 30 2026 .REST OF TODAY...North wind 5 knots becoming northeast late. Chance of rain in the late morning and early afternoon. Chance of snow through the day. Slight chance of rain late. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots becoming north in the late evening and overnight. Slight chance of rain in the evening. Chance of flurries through the night. Waves 1 foot or less. .FRIDAY...Northeast wind 5 knots becoming east late in the afternoon. Partly sunny in the morning then clearing. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less, then becoming southwest 5 knots after midnight. Mostly clear. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH