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Coastal waters from St. Augustine to Flagler Beach FL out 20 NM Marine Forecast

Updated 2:24am EDT Aug 27, 2026
Zone Map
Rest Of Tonight
Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters a moderate chop.
Thursday
Southwest winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms in the afternoon.
Thursday Night
South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the evening.
Friday
Southwest winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Intracoastal waters light chop. A chance of showers and thunderstorms in the afternoon.
Friday Night
South winds 5 to 10 knots. Seas around 2 feet.
Saturday And Saturday Night
Southeast winds 5 to 10 knots.
Sunday
East winds 5 to 10 knots. Seas around 2 feet.
Monday
East winds 5 to 10 knots, becoming southeast. Seas around 2 feet. Intracoastal waters light chop. A slight chance of showers and thunderstorms through the day.