Station GISL1 - 8761724 - Grand Isle, LA
December 19, 2025 11:48 pm CSTLocation: 29.265N 89.958W
Wind Direction: E (100°)
Wind Speed: 5.1 knots
Wind Gust: 8.9 knots
Atmospheric Pressure: 30.16 in (1021.2 mb)
Water Temperature: 63.3°F (17.4°C)
Overnight - 56°F
Dec 20, 2025
10 mph SE
Mostly Clear
Mostly clear. Low around 56, with temperatures rising to around 62 overnight. Southeast wind around 10 mph.
Saturday - 67°F
Dec 20, 2025
5 to 10 mph SE
Sunny
Sunny, with a high near 67. Southeast wind 5 to 10 mph.
Saturday Night - 63°F
Dec 20, 2025
5 to 10 mph SE
Partly Cloudy
Partly cloudy. Low around 63, with temperatures rising to around 65 overnight. Southeast wind 5 to 10 mph.
Sunday - 68°F
Dec 21, 2025
5 mph SE
Chance Rain Showers
A chance of rain showers. Mostly sunny, with a high near 68. Southeast wind around 5 mph. Chance of precipitation is 30%.
Sunday Night - 62°F
Dec 21, 2025
5 to 10 mph SE
Chance Rain Showers then Partly Cloudy
A chance of rain showers before midnight. Partly cloudy, with a low around 62. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Monday - 67°F
Dec 22, 2025
10 mph E
Sunny
Sunny, with a high near 67. East wind around 10 mph.
Monday Night - 62°F
Dec 22, 2025
5 to 10 mph E
Mostly Clear
Mostly clear, with a low around 62. East wind 5 to 10 mph.
Tuesday - 68°F
Dec 23, 2025
5 mph E
Sunny
Sunny, with a high near 68. East wind around 5 mph.
Tuesday Night - 62°F
Dec 23, 2025
5 mph E
Mostly Clear
Mostly clear, with a low around 62. East wind around 5 mph.
Wednesday - 68°F
Dec 24, 2025
5 mph E
Sunny
Sunny, with a high near 68. East wind around 5 mph.
Wednesday Night - 61°F
Dec 24, 2025
5 mph E
Mostly Clear
Mostly clear, with a low around 61. East wind around 5 mph.
Christmas Day - 67°F
Dec 25, 2025
5 mph SE
Sunny
Sunny, with a high near 67. Southeast wind around 5 mph.
Thursday Night - 62°F
Dec 25, 2025
5 mph SE
Mostly Clear
Mostly clear, with a low around 62. Southeast wind around 5 mph.
Friday - 68°F
Dec 26, 2025
5 mph SE
Sunny
Sunny, with a high near 68. Southeast wind around 5 mph.