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Jacksonville, FL Local Forecast Office

3NM SSE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

Today
High: 86 °F
ENE 10kt
2ft
Tonight
Low: 77 °F
ESE 6kt⇓
2ft
Saturday
High: 87 °F
⇑E 7kt
1-2ft
Saturday Night
Low: 77 °F
SE 7kt⇓
1ft
Sunday
High: 86 °F
ENE 10kt
1-2ft
Sunday Night
Low: 76 °F
E 6kt⇓
1ft
Monday
High: 86 °F
⇑ENE 9kt
1ft
Monday Night
Low: 77 °F
E 6kt⇓
2ft
Tuesday
High: 86 °F
ENE 8kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:36 am EDT Sep 18, 2026
Forecast Valid: 6am EDT Sep 18, 2026-6pm EDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Today

ENE wind 7 to 10 kt. Mostly sunny. Seas around 2 ft.

Tonight

ESE wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 2 ft.

Saturday

Variable winds less than 5 kt becoming E 5 to 7 kt in the morning. Mostly sunny. Seas 1 to 2 ft.

Saturday Night

SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A slight chance of showers after 2am. Seas around 1 ft.

Sunday

NNE wind 5 to 10 kt becoming E in the afternoon. A chance of showers, with thunderstorms also possible after 11am. Seas 1 to 2 ft.

Sunday Night

E wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms, mainly after 2am. Seas around 1 ft.

Monday

Variable winds less than 5 kt becoming ENE 5 to 9 kt in the morning. A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Monday Night

E wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms, mainly after 2am. Seas around 2 ft.

Tuesday

N wind 5 to 8 kt becoming ENE in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Seas 1 to 2 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.