Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Current conditions at

Gulfport - Gulfport-Biloxi International Airport (KGPT)

Lat: 30.41°NLon: 89.08°WElev: 26ft.

Overcast

85°F

29°C

Humidity 59%
Wind Speed S 6 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 29 Sep 5:53 pm CDT
Extended Forecast for

Bay St. Louis MS

  • Tonight

    Tonight: Mostly clear, with a low around 73. South wind around 5 mph becoming north after midnight.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. North wind 5 to 10 mph becoming southeast in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 74. North wind 5 to 10 mph becoming south in the evening.

    Low: 74 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Southeast wind around 5 mph becoming northeast after midnight.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 84. East wind 10 to 15 mph.

    High: 84 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 71. East wind 10 to 15 mph.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm.  Sunny, with a high near 82. Northeast wind around 15 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers.  Mostly clear, with a low around 72. East wind around 15 mph.

    Low: 72 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South wind around 5 mph becoming north after midnight.
Tuesday
Mostly sunny, with a high near 87. North wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 74. North wind 5 to 10 mph becoming south in the evening.
Wednesday
Sunny, with a high near 87. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 73. Southeast wind around 5 mph becoming northeast after midnight.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84. East wind 10 to 15 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. East wind 10 to 15 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 82. Northeast wind around 15 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Mostly clear, with a low around 72. East wind around 15 mph.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 82. East wind around 15 mph.
Saturday Night
A chance of showers. Mostly clear, with a low around 73. East wind around 15 mph.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. East wind around 15 mph.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 73. East wind 10 to 15 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. East wind 10 to 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Bay St. Louis MS
 30.31°N 89.34°W
12:51 pm CDT Sep 29, 2025
6pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database