Arctic Cold Air Outbreak All Week Long - Subfreezing Low Temperatures & Dangerous Wind Chill

Widespread freezes begin tonight and will continue through the week, with Freeze Warnings (and Watches) in effect tonight and Tuesday night. Dangerously cold wind chills will accompany the cold arctic air each night this week. Read More >

Coastal Waters Forecast for Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM (AMZ450) (Text-Only)
NWS Forecast for: Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM (AMZ450)
Issued by: National Weather Service Jacksonville, FL
Last Update: 852 PM EST Mon Jan 26 2026
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Rest Of Tonight: Northwest winds 25 to 30 knots, diminishing to 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave detail: northwest 7 feet at 6 seconds and east 3 feet at 9 seconds. Intracoastal waters very rough.

Tuesday: North winds 15 to 20 knots, becoming northwest 10 to 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: north 6 feet at 6 seconds and east 3 feet at 10 seconds. Intracoastal waters choppy.

Tuesday Night: Northwest winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northwest 3 feet at 4 seconds and northeast 3 feet at 8 seconds. Intracoastal waters a moderate chop.

Wednesday: Northwest winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northwest 3 feet at 4 seconds and east 3 feet at 9 seconds. Intracoastal waters a moderate chop.

Wednesday Night: Northwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northwest 4 feet at 4 seconds and east 3 feet at 9 seconds. Intracoastal waters choppy.

Thursday And Thursday Night: Northwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northwest 3 feet at 4 seconds and east 2 feet at 10 seconds. Intracoastal waters a moderate chop.

Friday: North winds 5 to 10 knots, increasing to 20 to 25 knots. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. Intracoastal waters rough. A chance of showers through the night.

Saturday: Northwest winds 30 to 40 knots. Seas 5 to 7 feet, occasionally to 9 feet, building to 8 to 11 feet, occasionally to 14 feet. Intracoastal waters extremely rough. A chance of showers. A chance of snow showers.







Zone Forecast: Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM (AMZ450)

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