Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 28kts around 6:00 AM, with waves reaching 4.1ft around 8:00 AM.

Sunday, October 11

3:50 PM EDT

Wind Now

14ktsWSW

Gusts:20kts

Wind Now: 14 kts; gusts 20 kts. Use left and right arrows to inspect hours; Escape to reset.

Hourly wind speed and gust forecastSustained wind is shown in cyan and gusts in blue-gray. Dashed lines show past conditions. Direction arrows show where the wind is traveling.01020304012AM6AM12PM6PM

Waves Now

2.8ftSE

Period3s

Waves Now: 2.8 ft; period 3 seconds. Use left and right arrows to inspect hours; Escape to reset.

Hourly wave height and period forecastWave height is shown in blue. The dashed line shows past conditions. Direction arrows show where the waves are traveling.024612AM6AM12PM6PM

NOAA marine forecast

Text forecast

Updated 2:25pm EDT Oct 11, 2026

Rest Of Today

West winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds and northeast 2 feet at 8 seconds. Intracoastal waters a moderate chop.

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, becoming north 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

North winds 5 to 10 knots. Seas around 2 feet.

Tuesday And Tuesday Night

Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop.

Wednesday Through Thursday

Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds and northeast 2 feet at 5 seconds. Intracoastal waters light chop.

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Interactive Mapbox map highlighting marine forecast zone AMZ450.