Coastal Flood Warnings and Heavy Rainfall this Weekend - Updated Briefing

Coastal Flood Warnings have been issued through early next week along portions of the northeast Florida Atlantic coast and within the St. Johns River basin. Dangerous marine and surf conditions will continue, with heavy rainfall possible this weekend, which may exacerbate flooding at coastal locations. Please monitor this briefing for the latest updates this weekend and early next week. Read More >

Hazardous Weather Conditions

Small Craft Advisory until October 6, 05:00 AM EDT

For More Weather Information:

Jacksonville, FL Local Forecast Office

11NM NNE Fernandina Beach FL

Marine Point Forecast

[NOTICE]

Saturday
High: 81 °F
ENE 18kt
5ft

Small Craft Advisory
Saturday Night
Low: 74 °F
E 19kt
7ft

Small Craft Advisory
Sunday
High: 81 °F
E 19kt
6-8ft

Small Craft Advisory
Sunday Night
Low: 75 °F
E 20kt
6-8ft

Small Craft Advisory
Monday
High: 79 °F
E 19kt
6-7ft
Monday Night
Low: 76 °F
E 19kt
6-7ft
Tuesday
High: 80 °F
E 16kt
5-6ft
Tuesday Night
Low: 76 °F
E 13kt
5ft
Wednesday
High: 80 °F
ENE 14kt
4-5ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:36 pm EDT Oct 3, 2025
Forecast Valid: 1am EDT Oct 4, 2025-6pm EDT Oct 10, 2025

View Nearby Observations

Detailed Forecast

Saturday

ENE wind 16 to 18 kt, with gusts as high as 28 kt. A chance of showers and thunderstorms. Seas around 5 ft.

Saturday Night

E wind around 19 kt, with gusts as high as 26 kt. A chance of showers and thunderstorms. Seas around 7 ft.

Sunday

E wind 16 to 19 kt, with gusts as high as 27 kt. Showers likely and possibly a thunderstorm. Seas 6 to 8 ft.

Sunday Night

E wind around 20 kt, with gusts as high as 26 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 6 to 8 ft.

Monday

E wind 17 to 19 kt. Showers likely and possibly a thunderstorm. Seas 6 to 7 ft.

Monday Night

E wind 17 to 19 kt. A chance of showers and thunderstorms. Seas 6 to 7 ft.

Tuesday

E wind 13 to 16 kt, with gusts as high as 22 kt. A chance of showers. Seas 5 to 6 ft.

Tuesday Night

E wind 11 to 13 kt. A slight chance of showers. Seas around 5 ft.

Wednesday

ENE wind 10 to 14 kt. A slight chance of showers, with thunderstorms also possible after 2pm. Seas 4 to 5 ft.

Winds and waves higher in and near thunderstorms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.