Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
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613 FZUS53 KDLH 292101 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 401 PM CDT Mon Apr 29 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. LSZ140-141-300415- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 401 PM CDT Mon Apr 29 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight, then becoming west 5 to 10 knots late in the night. Rain showers likely early in the evening, then chance of rain showers in the late evening and early morning. Slight chance of drizzle after midnight. Areas of dense fog after midnight. Patchy dense fog late in the night. Waves 6 to 9 feet subsiding to 4 to 6 feet after midnight. Waves occasionally to 11 feet. .TUESDAY...West wind 5 to 10 knots becoming southwest late in the afternoon. Patchy dense fog in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TUESDAY NIGHT...South wind 5 knots becoming east 15 to 20 knots with gusts to around 25 knots in the late evening and overnight. Slight chance of rain showers in the evening, then rain showers after midnight. Waves 1 to 2 feet building to 1 to 3 feet after midnight. .WEDNESDAY...East wind 10 to 15 knots with gusts to around 20 knots becoming west 15 to 20 knots with gusts to around 25 knots in the late morning and afternoon. Rain showers in the morning, then chance of rain in the afternoon. Waves 2 to 4 feet. A small craft advisory may be needed. $$ LSZ142-143-300415- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 401 PM CDT Mon Apr 29 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming north 5 to 10 knots late in the evening, then becoming west after midnight. Chance of rain showers early in the evening. Chance of drizzle in the evening. Slight chance of drizzle after midnight. Patchy fog in the late evening and overnight. Waves 6 to 9 feet subsiding to 4 to 6 feet after midnight. Waves occasionally to 12 feet. .TUESDAY...West wind 5 to 10 knots becoming southwest in the afternoon. Mostly cloudy in the morning then becoming mostly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TUESDAY NIGHT...Southeast wind 10 to 15 knots becoming northeast 15 to 20 knots with gusts to around 25 knots in the late evening and overnight. Chance of rain showers in the evening, then rain showers after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .WEDNESDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 20 to 25 knots in the late morning and afternoon. Rain showers in the morning. Waves 3 to 5 feet. A small craft advisory may be needed. $$ LSZ144-145-300415- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 401 PM CDT Mon Apr 29 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots in the late evening and overnight. Chance of drizzle and rain showers early in the evening. Slight chance of drizzle late in the evening. Patchy fog through the night. Waves 5 to 8 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 10 feet. .TUESDAY...Southwest wind 5 to 10 knots becoming east late in the afternoon. Patchy fog in the morning. Slight chance of rain showers in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Rain showers. Waves 1 to 3 feet. .WEDNESDAY...West wind 10 to 15 knots with gusts to around 20 knots rising to 20 to 25 knots with gusts to around 30 knots in the late morning and afternoon. Rain showers in the morning. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ146-300415- Port Wing to Sand Island WI- 401 PM CDT Mon Apr 29 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...Northeast wind 10 to 15 knots becoming west 5 to 10 knots after midnight. Chance of rain showers early in the evening. Chance of drizzle in the evening, then slight chance of drizzle after midnight. Areas of dense fog in the evening. Patchy fog after midnight. Waves 5 to 8 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 10 feet. .TUESDAY...West wind 5 to 10 knots. Mostly cloudy in the morning then becoming mostly sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. .TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming northeast with gusts to around 20 knots early in the morning. Chance of rain showers in the evening, then rain showers after midnight. Waves 1 to 2 feet building to 1 to 3 feet after midnight. .WEDNESDAY...West wind 10 to 15 knots with gusts to around 20 knots rising to 20 to 25 knots with gusts to around 30 knots in the late morning and afternoon. Rain showers in the morning. Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. $$ LSZ147-300415- Sand Island to Bayfield WI- 401 PM CDT Mon Apr 29 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...Northeast wind 10 to 15 knots becoming west 5 to 10 knots after midnight. Chance of rain showers early in the evening. Chance of drizzle in the evening. Slight chance of drizzle after midnight. Areas of dense fog early in the evening. Patchy fog in the late evening and overnight. Waves 5 to 8 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 10 feet. .TUESDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots late in the afternoon. Mostly cloudy in the morning then becoming mostly sunny. Waves 1 to 3 feet. .TUESDAY NIGHT...East wind 15 to 20 knots with gusts to around 25 knots. Rain showers likely in the evening, then rain showers after midnight. Waves 1 to 2 feet building to 1 to 3 feet after midnight. .WEDNESDAY...West wind 20 to 25 knots with gusts to around 30 knots. Rain showers in the morning. Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ121-300415- Chequamegon Bay-Bayfield to Oak Point WI- 401 PM CDT Mon Apr 29 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...North wind 5 to 10 knots becoming west in the late evening and overnight. Chance of rain showers early in the evening. Chance of drizzle in the evening. Slight chance of drizzle after midnight. Patchy fog through the night. Waves 1 to 2 feet. .TUESDAY...Southwest wind 5 to 10 knots becoming east late in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming south with gusts to around 20 knots early in the morning. Chance of rain showers in the evening, then rain showers after midnight. Waves 1 to 2 feet. .WEDNESDAY...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 30 knots in the late morning and afternoon. Rain showers in the morning. Waves 1 to 3 feet. $$ LSZ148-300415- Oak Point to Saxon Harbor WI- 401 PM CDT Mon Apr 29 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...North wind 5 to 10 knots becoming west in the late evening and overnight. Chance of drizzle in the evening. Patchy fog through the night. Waves 5 to 8 feet subsiding to 3 to 5 feet in the late evening and overnight. Waves occasionally to 10 feet. .TUESDAY...West wind 5 to 10 knots becoming east late in the afternoon. Mostly cloudy in the morning then becoming mostly sunny. Waves 1 to 2 feet. .TUESDAY NIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming south with gusts to around 25 knots early in the morning. Rain showers likely in the evening, then rain showers after midnight. Waves 1 to 3 feet. .WEDNESDAY...Southwest wind 15 to 20 knots with gusts to around 25 knots becoming west 10 to 15 knots with gusts to around 25 knots late in the afternoon. Rain showers in the morning. Waves 1 to 3 feet. $$ LSZ150-300415- Outer Apostle Islands Beyond 5 NM from Mainland- 401 PM CDT Mon Apr 29 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY... .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming west with gusts to around 20 knots after midnight. Chance of rain showers early in the evening. Chance of drizzle in the evening. Slight chance of drizzle after midnight. Patchy fog through the night. Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally to 12 feet. .TUESDAY...West wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Mostly cloudy in the morning then becoming mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .TUESDAY NIGHT...East wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers in the evening, then rain showers after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. .WEDNESDAY...Southwest wind 20 to 25 knots with gusts to around 30 knots. Rain showers in the morning. Waves 2 to 4 feet building to 4 to 6 feet in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes Rothstein