Arctic BLAST Tonight through Monday Night – Dangerously Cold Wind Chills! [ ... CLICK "Read More" for More Details ]
An arctic cold front will cross our area this afternoon, bringing strong northwesterly winds that will push a very cold airmass into our region tonight. Wind chills are expected to reach dangerous levels later tonight, with prolonged exposure possibly resulting in hyperthermia. Take actions now to protect plants, pets, pipes, and people! Read More >
| NWS Forecast for: Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM (AMZ452) Issued by: National Weather Service Jacksonville, FL Last Update: 341 PM EST Mon Dec 15 2025 | |
Tonight: North winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: northeast 6 feet at 10 seconds and east 2 feet at 10 seconds. Intracoastal waters a moderate chop. Tuesday: Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: northeast 5 feet at 11 seconds and east 2 feet at 10 seconds. Intracoastal waters a moderate chop. Tuesday Night: Northeast winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northeast 4 feet at 10 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. Wednesday: Northeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 10 seconds and northeast 3 feet at 10 seconds. Intracoastal waters light chop. Wednesday Night: East winds 5 to 10 knots. Seas around 3 feet. Wave detail: east 3 feet at 10 seconds and northeast 2 feet at 9 seconds. Intracoastal waters light chop. A slight chance of showers after midnight. Thursday And Thursday Night: Southwest winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 9 seconds and south 2 feet at 5 seconds. Intracoastal waters light chop. A slight chance of showers. Friday Through Saturday: Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. | |
| Zone Forecast: Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM (AMZ452) | |
Visit your local NWS office at: https://www.weather.gov/jax |