Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
876 FZUS53 KDLH 180843 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 343 AM CDT Fri Oct 18 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. LSZ140-181615- Grand Portage to Grand Marais MN- 343 AM CDT Fri Oct 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots late in the afternoon. Sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TONIGHT...West wind 5 to 10 knots becoming north early in the morning. Chance of rain showers through the night. Waves 1 to 3 feet. .SATURDAY...North wind 5 to 10 knots becoming southwest in the late morning and afternoon. Patchy fog in the morning. Chance of rain showers through the day. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. $$ LSZ141-181615- Grand Marais to Taconite Harbor MN- 343 AM CDT Fri Oct 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots until late afternoon. Sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet late in the afternoon. .TONIGHT...Southwest wind 5 knots becoming west late in the evening, then becoming northeast after midnight. Chance of rain showers through the night. Waves 1 to 2 feet. .SATURDAY...Northeast wind 5 knots becoming south in the late morning and afternoon. Patchy fog in the morning. Chance of rain showers through the day. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Mostly cloudy in the evening then clearing. Waves 1 foot or less. $$ LSZ142-143-181615- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 343 AM CDT Fri Oct 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Southwest wind 10 to 15 knots with gusts to 25 knots this morning easing to 5 to 10 knots in the afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...South wind 5 to 10 knots becoming northeast in the late evening and overnight. Chance of rain showers. Waves 1 foot or less. .SATURDAY...North wind 5 to 10 knots becoming southwest in the late morning and afternoon. Chance of rain showers. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ144-145-181615- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 343 AM CDT Fri Oct 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Southwest wind around 15 knots decreasing to 10 to 15 knots this afternoon. Gusts up to 25 knots decreasing to 20 knots in the afternoon. Sunny. Waves 1 to 3 feet. .TONIGHT...South wind 5 to 10 knots becoming southeast in the late evening and overnight. Chance of rain showers. Waves 1 foot or less. .SATURDAY...East wind 5 to 10 knots becoming southwest in the late morning and afternoon. Chance of rain showers. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. $$ LSZ146-181615- Port Wing to Sand Island WI- 343 AM CDT Fri Oct 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Southwest wind around 15 knots decreasing to 10 to 15 knots later this afternoon. Gusts up to 25 knots decreasing to 20 knots in the afternoon. Sunny. Waves 1 to 3 feet. .TONIGHT...South wind 5 to 10 knots. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Chance of rain showers. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. $$ LSZ147-181615- Sand Island to Bayfield WI- 343 AM CDT Fri Oct 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Southwest wind around 15 knots this morning decreasing to 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...South wind 5 to 10 knots. Chance of rain showers after midnight. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Chance of rain showers. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. $$ LSZ121-181615- Chequamegon Bay-Bayfield to Oak Point WI- 343 AM CDT Fri Oct 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest wind around 15 knots with gusts to around 25 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...South wind 5 to 10 knots. Chance of rain showers after midnight. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Chance of rain showers. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Partly cloudy. Waves 1 foot or less. $$ LSZ148-181615- Oak Point to Saxon Harbor WI- 343 AM CDT Fri Oct 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest wind 15 to 20 knots with gusts to around 25 knots. Sunny. Waves 1 to 3 feet. .TONIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers after midnight. Waves 1 foot or less. .SATURDAY...Southwest wind 5 to 10 knots. Chance of rain showers. Waves 1 foot or less. .SATURDAY NIGHT...Southwest wind 5 to 10 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ150-181615- Outer Apostle Islands Beyond 5 NM from Mainland- 343 AM CDT Fri Oct 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Southwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon. .TONIGHT...South wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Chance of rain showers after midnight. Waves 1 to 2 feet. .SATURDAY...Southwest wind 5 to 10 knots. Chance of rain showers. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes Melde