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Jacksonville, FL Local Forecast Office

4NM S Fernandina Beach FL

Marine Point Forecast

[NOTICE]

Thursday
High: 85 °F
ENE 13kt
< 1ft
Thursday Night
Low: 77 °F
ESE 11kt
< 1ft
Friday
High: 88 °F
SE 9kt
< 1ft
Friday Night
Low: 75 °F
SSE 6kt⇓
< 1ft
Saturday
High: 90 °F
Light Wind
< 1ft
Saturday Night
Low: 75 °F
Light Wind
< 1ft
Sunday
High: 91 °F
Light Wind
< 1ft
Sunday Night
Low: 75 °F
Light Wind
< 1ft
Labor Day
High: 86 °F
⇑E 11kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:31 am EDT Sep 3, 2026
Forecast Valid: 2am EDT Sep 3, 2026-6pm EDT Sep 9, 2026

View Nearby Observations

Detailed Forecast

Thursday

ENE wind 6 to 13 kt, with gusts as high as 20 kt. A slight chance of showers, then a chance of showers and thunderstorms after 7am. Seas 1 ft or less.

Thursday Night

ESE wind 7 to 11 kt, with gusts as high as 17 kt. A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Seas 1 ft or less.

Friday

SE wind 6 to 9 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

Friday Night

SSE wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 11am. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of thunderstorms before 8pm. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Seas 1 ft or less.

Labor Day

Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. Showers and possibly a thunderstorm. Seas 1 ft or less.

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.