NWS JAX Weather Impact Briefing

Isolated Severe Thunderstorms Possible Sunday Afternoon & Evening, and Scattered Severe Thunderstorms Possible Monday Read More >

For More Weather Information:

Jacksonville, FL Local Forecast Office

Fernandina Beach FL

Marine Point Forecast

[NOTICE]

Overnight
Low: 61 °F
Light Wind
< 1ft
Sunday
High: 79 °F
⇑SE 9kt
< 1ft
Sunday Night
Low: 64 °F
S 6kt
< 1ft
Monday
High: 79 °F
S 15kt
< 1ft
Monday Night
Low: 39 °F
NW 10kt
< 1ft
Tuesday
High: 55 °F
NNW 9kt
< 1ft
Tuesday Night
Low: 42 °F
Light Wind
< 1ft
Wednesday
High: 61 °F
NNE 10kt
< 1ft
Wednesday Night
Low: 50 °F
NNE 7kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:22 pm EDT Mar 14, 2026
Forecast Valid: 12am EDT Mar 15, 2026-6pm EDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. A slight chance of showers and thunderstorms between 4am and 5am, then a slight chance of showers after 5am. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming SE 5 to 9 kt in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Patchy fog between 9am and 10am. Seas 1 ft or less.

Sunday Night

S wind around 6 kt. A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.

Monday

S wind 8 to 15 kt, with gusts as high as 23 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Seas 1 ft or less.

Monday Night

NW wind around 10 kt, with gusts as high as 18 kt. A slight chance of showers before 2am. Seas 1 ft or less.

Tuesday

NNW wind around 9 kt, with gusts as high as 15 kt. Partly sunny. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Wednesday

NNE wind 6 to 10 kt. Mostly sunny. Seas 1 ft or less.

Wednesday Night

NNE wind 5 to 7 kt. Partly cloudy. 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.