Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
700 FZUS53 KDLH 202110 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 410 PM CDT Fri Sep 20 2024 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. LSZ140-141-210415- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 410 PM CDT Fri Sep 20 2024 .TONIGHT...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 knots after midnight. Mostly clear. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SATURDAY...West wind 5 knots becoming southeast in the late morning and early afternoon, then becoming east late in the afternoon. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots late in the evening increasing to 25 knots, then decreasing to 20 knots early in the morning. Slight chance of showers and thunderstorms in the evening. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots easing to 5 to 10 knots in the afternoon. Gusts up to 20 knots. Sunny. Waves 1 to 2 feet. $$ LSZ142-143-210415- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 410 PM CDT Fri Sep 20 2024 .TONIGHT...West wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .SATURDAY...Southwest wind 5 knots becoming northeast late in the afternoon. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 foot or less. $$ LSZ144-145-210415- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 410 PM CDT Fri Sep 20 2024 .TONIGHT...Southwest wind 5 to 10 knots. Slight chance of rain showers late in the night. Waves 1 foot or less. .SATURDAY...South wind 5 knots becoming northeast late in the afternoon. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots. Partly cloudy. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 15 knots easing to 5 to 10 knots in the afternoon. Sunny. Waves 1 to 2 feet. $$ LSZ146-210415- Port Wing to Sand Island WI- 410 PM CDT Fri Sep 20 2024 .TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .SATURDAY...South wind 5 to 10 knots becoming southeast early in the afternoon, then becoming north late in the afternoon. Slight chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 15 to 20 knots. Slight chance of showers and thunderstorms in the evening. Waves 1 to 2 feet building to 1 to 3 feet in the late evening and overnight. .SUNDAY...Northwest wind 10 to 15 knots easing to 5 to 10 knots in the afternoon. Gusts up to 20 knots. Mostly sunny. Waves 1 to 2 feet. $$ LSZ147-210415- Sand Island to Bayfield WI- 410 PM CDT Fri Sep 20 2024 .TONIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 to 2 feet. .SATURDAY...South wind 5 to 10 knots becoming east late in the afternoon. Slight chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 15 to 20 knots. Slight chance of showers and thunderstorms in the evening. Waves 1 to 2 feet building to 1 to 3 feet in the late evening and overnight. .SUNDAY...Northwest wind 10 to 15 knots easing to 10 knots late in the afternoon. Gusts up to 20 knots. Mostly sunny. Waves 1 to 3 feet. $$ LSZ150-210415- Outer Apostle Islands Beyond 5 NM from Mainland- 410 PM CDT Fri Sep 20 2024 .TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 to 2 feet. .SATURDAY...South wind 5 to 10 knots becoming southeast in the afternoon. Slight chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest with gusts to around 25 knots after midnight. Chance of thunderstorms and slight chance of rain showers in the evening. Waves 1 to 2 feet building to 2 to 4 feet in the late evening and overnight. A small craft advisory may be needed. .SUNDAY...Northwest wind 15 to 20 knots easing to 10 knots late in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. $$ LSZ121-210415- Chequamegon Bay-Bayfield to Oak Point WI- 410 PM CDT Fri Sep 20 2024 .TONIGHT...Southwest wind 5 to 10 knots. Clear. Waves 1 foot or less. .SATURDAY...South wind 5 to 10 knots. Slight chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots late in the morning. Mostly sunny. Waves 1 foot or less. $$ LSZ148-210415- Oak Point to Saxon Harbor WI- 410 PM CDT Fri Sep 20 2024 .TONIGHT...Southwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .SATURDAY...South wind 5 to 10 knots. Slight chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots after midnight. Chance of showers and thunderstorms in the evening. Waves 1 foot or less building to 1 to 3 feet in the late evening and overnight. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes JDS