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

3NM SSE Saint Simons GA

Marine Point Forecast

[NOTICE]

Overnight
Low: 62 °F
E 8kt
1ft
Sunday
High: 71 °F
SE 10kt
1-2ft
Sunday Night
Low: 64 °F
S 11kt
2ft
Monday
High: 74 °F
S 17kt
2-3ft
Monday Night
Low: 39 °F
NW 19kt
2-3ft
Tuesday
High: 51 °F
NW 14kt
1-2ft
Tuesday Night
Low: 43 °F
NNW 8kt
1ft
Wednesday
High: 57 °F
NNE 12kt
2ft
Wednesday Night
Low: 50 °F
NE 9kt
2ft

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: 11pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

Overnight

E wind around 8 kt. A chance of showers and thunderstorms, mainly after 5am. Seas around 1 ft.

Sunday

ENE wind 5 to 10 kt becoming SE in the afternoon. A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 5pm. Seas 1 to 2 ft.

Sunday Night

S wind around 11 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Monday

S wind 13 to 17 kt, with gusts as high as 26 kt. Showers and possibly a thunderstorm. Seas 2 to 3 ft.

Monday Night

NW wind 16 to 19 kt, with gusts as high as 25 kt. A slight chance of showers before 2am. Seas 2 to 3 ft.

Tuesday

NW wind 9 to 14 kt. Partly sunny. Seas 1 to 2 ft.

Tuesday Night

NNW wind 6 to 8 kt. Mostly cloudy. Seas around 1 ft.

Wednesday

NNE wind 10 to 12 kt. Sunny. Seas around 2 ft.

Wednesday Night

NE wind around 9 kt. Partly cloudy. Seas around 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.