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Jacksonville, FL Local Forecast Office

Fernandina Beach FL

Marine Point Forecast

[NOTICE]

Overnight
Low: 74 °F
Light Wind
< 1ft
Monday
High: 85 °F
⇑NE 6kt
< 1ft
Monday Night
Low: 74 °F
Light Wind
< 1ft
Tuesday
High: 85 °F
⇑ENE 7kt
< 1ft
Tuesday Night
Low: 75 °F
Light Wind
< 1ft
Wednesday
High: 85 °F
⇑NE 11kt
< 1ft
Wednesday Night
Low: 74 °F
NE 7kt
< 1ft
Thursday
High: 83 °F
NNE 16kt
< 1ft
Thursday Night
Low: 72 °F
NNE 13kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:51 pm EDT Sep 20, 2026
Forecast Valid: 12am EDT Sep 21, 2026-6pm EDT Sep 27, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 3am. Seas 1 ft or less.

Monday

Variable winds less than 5 kt becoming NE around 6 kt in the afternoon. A chance of showers and thunderstorms, mainly between 4pm and 5pm. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. A chance of showers after 2am. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming ENE 5 to 7 kt in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming NE 6 to 11 kt in the morning. Showers likely, with thunderstorms also possible after 11am. Seas 1 ft or less.

Wednesday Night

NE wind 5 to 7 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday

NNE wind 12 to 16 kt, with gusts as high as 23 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday Night

NNE wind 11 to 13 kt. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. 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.