Long Duration Nor'Easter Begins Thursday - Updated Briefing
Northeasterly winds will strengthen on Thursday, with strong winds continuing through the weekend. Gale Watches have been posted for the Atlantic Waters. Widespread moderate flooding is likely during times of high tide along the Atlantic coast and within the St. Johns River basin, and Coastal Flood Watches will likely be issued on Wednesday afternoon. Please monitor this briefing for updates! Read More >
| NWS Forecast for: Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM (AMZ472) Issued by: National Weather Service Jacksonville, FL Last Update: 702 AM EDT Wed Oct 8 2025 | |
Today: Northeast winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 9 seconds. A slight chance of showers. Tonight: Northeast winds around 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 9 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. Thursday: Northeast winds 15 to 20 knots, increasing to 25 to 30 knots with gusts up to 40 knots in the afternoon. Seas 5 to 6 feet, occasionally to 8 feet, building to 6 to 9 feet, occasionally to 11 feet in the afternoon. Wave detail: northeast 6 feet at 8 seconds, becoming northeast 8 feet at 7 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Thursday Night: Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave detail: northeast 11 feet at 8 seconds. Showers with a chance of thunderstorms. Friday And Friday Night: Northeast winds 25 to 30 knots with gusts up to 40 knots. Seas 9 to 12 feet, occasionally to 15 feet. Wave detail: northeast 12 feet at 9 seconds. Showers with a chance of thunderstorms. Saturday: North winds 25 to 30 knots. Seas 10 to 12 feet, occasionally to 15 feet. Wave detail: northeast 12 feet at 9 seconds and north 6 feet at 7 seconds. A slight chance of thunderstorms through the day. A chance of showers, then a slight chance of showers after midnight. Sunday: North winds 20 to 25 knots, diminishing to 15 to 20 knots. Seas 8 to 11 feet, occasionally to 14 feet, subsiding to 8 to 9 feet, occasionally to 11 feet after midnight. A slight chance of showers. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM (AMZ472) | |
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