Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
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624 FZUS53 KDLH 010253 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 953 PM CDT Tue Apr 30 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. LSZ140-141-011015- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 953 PM CDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .REST OF TONIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots. Slight chance of rain late in the evening, then chance of rain after midnight. Rain toward daybreak. Patchy fog toward daybreak. Waves 1 to 2 feet building to 4 to 6 feet after midnight. Waves occasionally to 8 feet. .WEDNESDAY...Northeast wind 15 to 20 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots early in the afternoon, then becoming west with gusts to around 20 knots late in the afternoon. Patchy fog through the day. Rain likely in the morning. Slight chance of rain in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming north early in the morning. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .THURSDAY...North wind 5 to 10 knots becoming east 15 to 20 knots with gusts to around 25 knots in the late morning and afternoon. Chance of rain in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. A small craft advisory may be needed. $$ LSZ143-011015- Silver Bay Harbor to Two Harbors MN- 953 PM CDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .REST OF TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots after midnight. Chance of rain late in the evening, then rain after midnight. Patchy fog after midnight. Waves 1 to 3 feet building to 4 to 7 feet after midnight. Waves occasionally to 9 feet. .WEDNESDAY...North wind 10 to 15 knots with gusts to around 25 knots becoming west with gusts to around 20 knots in the late morning and afternoon. Patchy fog in the morning. Chance of rain in the morning. Waves 4 to 7 feet subsiding to 3 to 5 feet in the afternoon. Waves occasionally to 9 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming north after midnight. Partly cloudy. Waves 1 to 3 feet. .THURSDAY...Northeast wind 5 to 10 knots rising to 20 to 25 knots with gusts to around 30 knots in the late morning and afternoon. Chance of rain in the morning, then rain likely in the afternoon. Waves 1 to 2 feet building to 5 to 8 feet. Waves occasionally to 10 feet. A small craft advisory may be needed. $$ LSZ142-011015- Taconite Harbor to Silver Bay Harbor MN- 953 PM CDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .REST OF TONIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots. Chance of rain late in the evening, then rain after midnight. Patchy fog after midnight. Waves 1 to 2 feet building to 4 to 7 feet. Waves occasionally to 9 feet. .WEDNESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming northwest 10 knots with gusts to around 20 knots late in the morning, then becoming west with gusts to around 20 knots early in the afternoon easing to 10 knots with gusts to around 20 knots late in the afternoon. Patchy fog in the morning. Rain likely in the morning. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming north early in the morning. Partly cloudy. Waves 1 to 3 feet. .THURSDAY...Northeast wind 20 to 25 knots. Slight chance of rain in the morning, then rain likely in the afternoon. Waves 1 to 2 feet building to 4 to 7 feet. Waves occasionally to 9 feet. A small craft advisory may be needed. $$ LSZ144-145-011015- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 953 PM CDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT WEDNESDAY... .REST OF TONIGHT...Northeast wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots after midnight. Patchy fog through the night. Rain in the late evening and early morning. Rain likely toward daybreak. Waves 2 to 4 feet building to 4 to 7 feet after midnight. Waves occasionally to 9 feet. .WEDNESDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming west with gusts to around 25 knots in the late morning and afternoon. Patchy fog in the morning. Chance of rain in the morning. Waves 4 to 6 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming northeast after midnight. Partly cloudy. Waves 1 to 3 feet. .THURSDAY...Northeast wind up to 30 knots. Chance of rain through the day. Waves 1 to 2 feet building to 6 to 9 feet. Waves occasionally to 11 feet. A small craft advisory may be needed. $$ LSZ146-011015- Port Wing to Sand Island WI- 953 PM CDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots rising to 20 to 25 knots after midnight. Chance of rain late in the evening, then rain after midnight. Rain likely toward daybreak. Patchy fog after midnight. Waves 1 to 2 feet building to 4 to 6 feet after midnight. Waves occasionally to 8 feet. .WEDNESDAY...North wind 10 to 15 knots becoming west in the late morning and afternoon. Gusts up to 20 knots. Patchy fog in the morning. Chance of rain in the morning. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. .WEDNESDAY NIGHT...West wind 5 to 10 knots becoming southeast after midnight, then becoming east early in the morning. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .THURSDAY...East wind 5 to 10 knots becoming northeast 20 to 25 knots in the late morning and afternoon. Chance of rain in the morning, then rain likely in the afternoon. Waves 1 foot or less building to 5 to 8 feet. Waves occasionally to 10 feet. A small craft advisory may be needed. $$ LSZ147-011015- Sand Island to Bayfield WI- 953 PM CDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .REST OF TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming northeast 20 to 25 knots after midnight. Rain likely late in the evening, then rain after midnight. Patchy fog after midnight. Waves 1 to 2 feet building to 4 to 6 feet after midnight. Waves occasionally to 7 feet. .WEDNESDAY...North wind 10 to 15 knots becoming west in the late morning and afternoon. Gusts up to 20 knots. Patchy fog in the morning. Chance of rain in the morning. Waves 4 to 6 feet. Waves occasionally to 7 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming south after midnight, then becoming east early in the morning. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .THURSDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Chance of rain in the morning, then rain likely in the afternoon. Waves 1 to 2 feet building to 4 to 6 feet in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. $$ LSZ121-011015- Chequamegon Bay-Bayfield to Oak Point WI- 953 PM CDT Tue Apr 30 2024 .REST OF TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots after midnight. Chance of rain late in the evening, then rain after midnight. Rain likely toward daybreak. Patchy fog after midnight. Waves 1 to 3 feet building to 4 to 6 feet after midnight. Waves occasionally to 7 feet. .WEDNESDAY...West wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the afternoon. Patchy fog in the morning. Chance of rain in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming south after midnight, then becoming east early in the morning. Partly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots. Chance of rain through the day. Waves 1 to 3 feet. $$ LSZ148-011015- Oak Point to Saxon Harbor WI- 953 PM CDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT WEDNESDAY... .REST OF TONIGHT...East wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots after midnight. Rain likely late in the evening, then rain after midnight. Rain likely toward daybreak. Patchy fog after midnight. Waves 1 to 3 feet building to 4 to 6 feet after midnight. Waves occasionally to 7 feet. .WEDNESDAY...West wind 10 to 15 knots. Gusts up to 20 knots. Patchy fog in the morning. Chance of rain in the morning. Waves 2 to 4 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming south after midnight, then becoming southeast early in the morning. Partly cloudy. Waves 1 to 3 feet. .THURSDAY...East wind 5 to 10 knots becoming northeast 15 to 20 knots with gusts to around 25 knots in the afternoon. Chance of rain in the morning, then rain likely in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. A small craft advisory may be needed. $$ LSZ150-011015- Outer Apostle Islands Beyond 5 NM from Mainland- 953 PM CDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... .REST OF TONIGHT...East wind 10 to 15 knots with gusts to around 25 knots rising to 20 to 25 knots with gusts to around 30 knots after midnight. Chance of rain late in the evening, then rain after midnight. Rain likely toward daybreak. Patchy fog after midnight. Waves 1 to 3 feet building to 4 to 7 feet after midnight. Waves occasionally to 9 feet. .WEDNESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots becoming west with gusts to around 25 knots in the late morning and afternoon. Patchy fog in the morning. Chance of rain in the morning. Waves 4 to 7 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 9 feet. .WEDNESDAY NIGHT...Northwest wind 5 to 10 knots becoming southwest after midnight, then becoming east early in the morning. Partly cloudy. Waves 1 to 3 feet. .THURSDAY...Northeast wind 20 to 25 knots. Chance of rain in the morning, then rain likely in the afternoon. Waves 1 to 2 feet building to 4 to 7 feet in the afternoon. Waves occasionally to 9 feet. A small craft advisory may be needed. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes KML