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Jacksonville, FL Local Forecast Office

4NM S Saint Augustine Beach FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 75 °F
SE 9kt⇓
< 1ft
Sunday
High: 91 °F
Light Wind
< 1ft
Sunday Night
Low: 75 °F
Light Wind
< 1ft
Monday
High: 90 °F
⇑ENE 6kt
< 1ft
Monday Night
Low: 77 °F
Light Wind
< 1ft
Tuesday
High: 88 °F
⇑NE 18kt
< 1ft
Tuesday Night
Low: 77 °F
ENE 19kt
< 1ft
Wednesday
High: 86 °F
NE 22kt
< 1ft
Wednesday Night
Low: 76 °F
NE 21kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:21 pm EDT Sep 12, 2026
Forecast Valid: 6pm EDT Sep 12, 2026-6pm EDT Sep 19, 2026

View Nearby Observations

Detailed Forecast

Tonight

SE wind 5 to 9 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 10pm. Seas 1 ft or less.

Sunday

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

Sunday Night

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

Monday

Variable winds less than 5 kt becoming ENE around 6 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Monday Night

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

Tuesday

Variable winds less than 5 kt becoming NE 13 to 18 kt in the morning. A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

Tuesday Night

ENE wind 17 to 19 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Seas 1 ft or less.

Wednesday

NE wind 16 to 22 kt. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

Wednesday Night

NE wind 15 to 21 kt. A chance of showers and thunderstorms. 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.