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: 129 AM EDT Tue Oct 7 2025

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Jacksonville, FL Local Forecast Office

37NM E Jacksonville Beach FL

Marine Zone Forecast

Rest Of 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 3 feet at 13 seconds.

Tuesday

East winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave detail: east 7 feet at 8 seconds and east 2 feet at 13 seconds.

Tuesday Night

East winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 7 feet at 9 seconds.

Wednesday

Northeast winds 10 to 15 knots. Seas around 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 9 seconds. A slight chance of showers in the afternoon.

Wednesday Night

Northeast winds 10 to 15 knots. Seas around 5 feet, occasionally to 6 feet. Wave detail: east 5 feet at 8 seconds. A chance of showers with a slight chance of thunderstorms after midnight.

Thursday

Northeast winds 15 to 20 knots, increasing to 25 to 30 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 8 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. Seas 9 to 12 feet, occasionally to 15 feet. Showers with a chance of thunderstorms.

Friday

Northeast winds 25 to 35 knots. Seas 9 to 13 feet, occasionally to 17 feet, building to 12 to 14 feet, occasionally to 18 feet. Showers with a chance of thunderstorms through the day, then showers likely with a slight chance of thunderstorms through the night.

Saturday

North winds 25 to 35 knots. Seas 12 to 15 feet, occasionally to 19 feet, building to 13 to 15 feet, occasionally to 19 feet. A slight chance of thunderstorms in the morning. A chance of showers, then a slight chance of showers after midnight.

winds and seas higher in and near thunderstorms.