Tidal Flooding Continues - Updated Briefing

Coastal Flood Warnings have been issued within portions of the St. Johns River basin south of downtown Jacksonville. Dangerous marine and surf conditions will continue through Tuesday. Strengthening onshore winds beginning on Thursday may result in an expansion of Coastal Flood Warnings and Advisories. Please monitor this briefing for the latest updates this weekend and early next week. Read More >

Hazardous Weather Conditions

Small Craft Advisory until October 8, 05:00 AM EDT

Last Update: 255 AM EDT Mon Oct 6 2025

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Jacksonville, FL Local Forecast Office

9NM E Jacksonville Beach FL

Marine Zone Forecast

Today

East winds 15 to 20 knots. Seas 7 to 8 feet, occasionally to 10 feet. Wave detail: east 8 feet at 9 seconds and east 3 feet at 13 seconds. Intracoastal waters choppy. Showers likely with a slight chance of thunderstorms.

Tonight

East winds 15 to 20 knots. Seas 7 to 8 feet, occasionally to 10 feet. Wave detail: east 8 feet at 9 seconds and east 2 feet at 13 seconds. Intracoastal waters choppy. A slight chance of showers and thunderstorms.

Tuesday

East winds 15 to 20 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave detail: east 7 feet at 8 seconds and east 2 feet at 13 seconds. Intracoastal waters choppy. A slight chance of showers and thunderstorms.

Tuesday Night

East winds 15 to 20 knots, diminishing to around 15 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 7 feet at 8 seconds. Intracoastal waters becoming a moderate chop.

Wednesday

East northeast winds around 15 knots, becoming northeast 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 8 seconds. intracoastal waters becoming choppy.

Wednesday Night

Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 8 seconds. Intracoastal waters a light chop. A slight chance of showers and thunderstorms after midnight.

Thursday

Northeast winds increasing to 25 to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet, building to 6 to 9 feet, occasionally to 11 feet. Intracoastal waters becoming very rough. A chance of showers and thunderstorms.

Thursday Night And Friday

Northeast winds 25 to 30 knots. Seas 6 to 9 feet, occasionally to 11 feet, building to 8 to 10 feet, occasionally to 13 feet. Intracoastal waters very rough. A chance of showers and thunderstorms.

winds and waves higher in and near thunderstorms.

Winds and waves higher in and near thunderstorms.