Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
991 FZUS53 KDLH 182056 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 356 PM CDT Tue Jun 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. LSZ140-141-190415- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 356 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 1 AM CDT WEDNESDAY... .TONIGHT...South wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 20 knots after midnight. Rain showers with thunderstorms likely in the evening, then rain showers likely and chance of thunderstorms after midnight. Waves 3 to 5 feet. .WEDNESDAY...West wind 10 to 15 knots with gusts to around 20 knots. Partly sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. A small craft advisory may be needed. .WEDNESDAY NIGHT...West wind 5 to 10 knots becoming north early in the morning. Partly cloudy. Waves 1 to 2 feet. .THURSDAY...Northeast wind 5 knots becoming east in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ143-190415- Silver Bay Harbor to Two Harbors MN- 356 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 1 AM CDT WEDNESDAY... .TONIGHT...South wind 10 to 15 knots becoming southwest after midnight. Gusts up to 20 knots. Rain showers with thunderstorms likely in the evening, then chance of showers and thunderstorms after midnight. Waves 1 to 3 feet. .WEDNESDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots in the late morning and early afternoon, then becoming southwest late in the afternoon. Partly sunny. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southwest wind 5 knots becoming north early in the morning. Partly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. $$ LSZ142-190415- Taconite Harbor to Silver Bay Harbor MN- 356 PM CDT Tue Jun 18 2024 ...TORNADO WATCH 433 IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 1 AM CDT WEDNESDAY... .TONIGHT...South wind 10 to 15 knots becoming southwest with gusts to around 20 knots after midnight. Rain showers with thunderstorms likely in the evening, then rain showers likely and chance of thunderstorms after midnight. Waves 1 to 3 feet. .WEDNESDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots in the late morning and early afternoon, then becoming southwest late in the afternoon. Partly sunny. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Southwest wind 5 knots becoming north early in the morning. Mostly cloudy in the evening then clearing. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots becoming east in the afternoon. Partly sunny. Waves 1 foot or less. $$ LSZ144-145-190415- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 356 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT WEDNESDAY... .TONIGHT...Southwest wind 15 to 20 knots with gusts to around 25 knots becoming southwest 15 to 20 knots after midnight. Rain showers with thunderstorms likely in the evening, then chance of showers and thunderstorms after midnight. Waves 1 to 3 feet. .WEDNESDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Partly sunny. Waves 1 to 3 feet. .WEDNESDAY NIGHT...West wind 5 knots becoming northeast early in the morning. Partly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 to 2 feet. $$ LSZ146-190415- Port Wing to Sand Island WI- 356 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT WEDNESDAY... .TONIGHT...South wind 10 to 15 knots becoming southwest 15 to 20 knots after midnight. Showers and thunderstorms likely in the evening, then chance of showers and thunderstorms after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .WEDNESDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. A small craft advisory may be needed. .WEDNESDAY NIGHT...West wind 5 knots becoming northeast early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ147-190415- Sand Island to Bayfield WI- 356 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT WEDNESDAY... .TONIGHT...South wind 10 to 15 knots becoming southwest 15 to 20 knots after midnight. Rain showers with thunderstorms likely in the evening, then rain showers likely and chance of thunderstorms after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .WEDNESDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. A small craft advisory may be needed. .WEDNESDAY NIGHT...Southwest wind 5 knots becoming northeast early in the morning. Mostly cloudy in the evening then clearing. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ150-190415- Outer Apostle Islands Beyond 5 NM from Mainland- 356 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT WEDNESDAY... .TONIGHT...Southwest wind 15 to 20 knots. Rain showers with thunderstorms likely in the evening, then rain showers likely and chance of thunderstorms after midnight. Waves 2 to 4 feet. .WEDNESDAY...West wind 15 to 20 knots easing to 5 to 10 knots late in the afternoon. Partly sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. A small craft advisory may be needed. .WEDNESDAY NIGHT...Southwest wind 5 to 10 knots becoming northeast early in the morning. Mostly cloudy in the evening then clearing. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ121-190415- Chequamegon Bay-Bayfield to Oak Point WI- 356 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT WEDNESDAY... .TONIGHT...Southwest wind 10 to 15 knots with gusts to around 25 knots becoming west with gusts to around 20 knots late in the night. Thunderstorms likely in the evening. Rain showers likely through the night. Chance of thunderstorms after midnight. Waves 1 to 2 feet. .WEDNESDAY...West wind 10 to 15 knots becoming northwest 5 to 10 knots in the late morning and early afternoon, then becoming north late in the afternoon. Partly sunny. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots becoming northwest late in the evening, then becoming variable 10 knots or less after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Slight chance of rain showers through the day. Waves 1 foot or less. $$ LSZ148-190415- Oak Point to Saxon Harbor WI- 356 PM CDT Tue Jun 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT WEDNESDAY... .TONIGHT...Southwest wind 10 to 15 knots with gusts to around 25 knots becoming southwest 10 to 15 knots with gusts to around 20 knots late in the night. Showers and thunderstorms likely until early morning, then chance of showers and thunderstorms late in the night. Waves 1 to 2 feet. .WEDNESDAY...West wind 10 to 15 knots easing to 5 to 10 knots in the late morning and early afternoon, then becoming northeast late in the afternoon. Slight chance of rain showers in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Southeast wind 5 knots becoming southwest late in the evening, then becoming northwest after midnight becoming northeast early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Slight chance of rain showers through the day. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes LE