Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM Marine Forecast
NOAA marine forecast
Text forecast
Updated 2:11am EDT Oct 11, 2026
Small Craft Exercise Caution In Effect Until 2 Pm Edt This Afternoon
Today
Southwest winds 15 to 20 knots, becoming west 10 to 15 knots this afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds and northeast 2 feet at 8 seconds. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms this morning.
Tonight
West winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds and west 2 feet at 3 seconds. Intracoastal waters a moderate chop.
Monday
Northwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northwest 2 feet at 3 seconds and southeast 2 feet at 7 seconds. Intracoastal waters a moderate chop.
Monday Night
Northwest winds 5 to 10 knots. Seas 2 to 3 feet.
Tuesday And Tuesday Night
Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop.
Wednesday Through Thursday
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds and northeast 2 feet at 4 seconds. Intracoastal waters light chop.
Loading map…
Interactive Mapbox map highlighting marine forecast zone AMZ452.
Hourly forecast at zone center
Hourly wind and waves
Gusts peak near 24kts around 7:00 AM, with waves reaching 3.9ft around 8:00 AM.
Sunday, October 11
7:09 AM EDT
Wind Now
17ktsSSW
Gusts:24kts
Wind Now: 17 kts; gusts 24 kts. Use left and right arrows to inspect hours; Escape to reset.
Waves Now
3.8ftSE
Period3s
Waves Now: 3.8 ft; period 3 seconds. Use left and right arrows to inspect hours; Escape to reset.