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 S Saint Simons GA

Marine Point Forecast

[NOTICE]

Today
High: 73 °F
SSE 12kt
1-2ft
Tonight
Low: 64 °F
S 13kt
2ft
Monday
High: 74 °F
S 16kt
2ft
Monday Night
Low: 39 °F
NW 18kt
2ft
Tuesday
High: 52 °F
NW 13kt
1-2ft
Tuesday Night
Low: 43 °F
N 7kt
1ft
Wednesday
High: 56 °F
NNE 10kt
1ft
Wednesday Night
Low: 49 °F
NE 8kt
1-2ft
Thursday
High: 60 °F
NNE 11kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:21 am EDT Mar 15, 2026
Forecast Valid: 6am EDT Mar 15, 2026-6pm EDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

Today

E wind 6 to 12 kt becoming SSE in the afternoon. A chance of showers, with thunderstorms also possible after 5pm. Patchy fog between 8am and 2pm. Seas 1 to 2 ft.

Tonight

S wind around 13 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Monday

S wind 13 to 16 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Seas around 2 ft.

Monday Night

NW wind 16 to 18 kt, with gusts as high as 24 kt. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Seas around 2 ft.

Tuesday

NW wind 10 to 13 kt, with gusts as high as 20 kt. Partly sunny. Seas 1 to 2 ft.

Tuesday Night

N wind around 7 kt. Mostly cloudy. Seas around 1 ft.

Wednesday

NNE wind 7 to 10 kt. Sunny. Seas around 1 ft.

Wednesday Night

NE wind 6 to 8 kt. Partly cloudy. Seas 1 to 2 ft.

Thursday

NNE wind 9 to 11 kt. Mostly sunny. 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.