Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

70°F

21°C

Humidity 91%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 30 Sep 1:55 am CDT
Extended Forecast for

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  • Overnight

    Overnight: Mostly clear, with a steady temperature around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. North wind around 5 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 89. North wind around 5 mph becoming east in the afternoon.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. East wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Sunny, with a high near 86. East wind 5 to 15 mph.  Chance of precipitation is 50%.

    High: 86 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 70. East wind 5 to 10 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 83. East wind 10 to 15 mph.

    High: 83 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers, with thunderstorms also possible after 1am.  Mostly clear, with a low around 70. Northeast wind 5 to 10 mph.

    Low: 70 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 72. Calm wind.
Tuesday
Mostly sunny, with a high near 89. North wind around 5 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 70. Calm wind.
Wednesday
Sunny, with a high near 89. North wind around 5 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 71. East wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 86. East wind 5 to 15 mph. Chance of precipitation is 50%.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70. East wind 5 to 10 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. East wind 10 to 15 mph.
Friday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly clear, with a low around 70. Northeast wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. East wind 10 to 15 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 70. East wind 5 to 10 mph.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Northeast wind around 10 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. East wind 5 to 10 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
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 29.52°N 90.34°W
12:26 am CDT Sep 30, 2025
2am CDT Sep 30, 2025-6pm CDT Oct 6, 2025
 
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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