National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Partly Cloudy

86°F

30°C

Humidity 75%
Wind Speed NE 9 G 17 mph
Barometer 29.94 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 19 Aug 5:55 pm EDT
Extended Forecast for

Saint Simons GA

High Surf Advisory August 19, 06:07pm until August 22, 02:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory August 19, 06:07pm until August 22, 02:00am

    NOW until 2:00am Fri

    High Surf Advisory

  • Tonight

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Heat index values as high as 101. North wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. Light and variable wind becoming west around 6 mph after midnight.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 103. Northwest wind around 8 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly clear, with a low around 78. South wind around 6 mph becoming west after midnight.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 90. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 70%.

    Low: 76 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 87. Chance of precipitation is 80%.

    High: 87 °F

    Showers
    Likely then
    T-storms

Detailed Forecast

Tonight
A 10 percent chance of showers after 4am. Partly cloudy, with a low around 77. Northeast wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday
A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Heat index values as high as 101. North wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 78. Light and variable wind becoming west around 6 mph after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 103. Northwest wind around 8 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly clear, with a low around 78. South wind around 6 mph becoming west after midnight.
Friday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 87. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 76. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.39°W
Last Update:
1:26 pm EDT Aug 19, 2025
Forecast Valid:
6pm EDT Aug 19, 2025-6pm EDT Aug 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation