Station GISL1 - 8761724 - Grand Isle, LA
December 25, 2025 11:48 am CSTLocation: 29.265N 89.958W
Wind Direction: ESE (110°)
Wind Speed: 4.1 knots
Wind Gust: 7.0 knots
Atmospheric Pressure: 30.22 in (1023.4 mb)
Water Temperature: 67.5°F (19.7°C)
Christmas Day - 68°F
Dec 25, 2025
5 mph SE
Areas Of Fog
Areas of fog. Mostly sunny. High near 68, with temperatures falling to around 66 in the afternoon. Southeast wind around 5 mph.
Tonight - 64°F
Dec 25, 2025
5 mph S
Widespread Fog
Widespread fog. Partly cloudy, with a low around 64. South wind around 5 mph.
Friday - 70°F
Dec 26, 2025
5 to 10 mph SW
Widespread Fog then Mostly Sunny
Widespread fog before 10am. Mostly sunny. High near 70, with temperatures falling to around 68 in the afternoon. Southwest wind 5 to 10 mph.
Friday Night - 66°F
Dec 26, 2025
5 mph SW
Partly Cloudy
Partly cloudy, with a low around 66. Southwest wind around 5 mph.
Saturday - 70°F
Dec 27, 2025
5 mph S
Sunny
Sunny, with a high near 70. South wind around 5 mph.
Saturday Night - 66°F
Dec 27, 2025
5 mph S
Mostly Clear
Mostly clear, with a low around 66. South wind around 5 mph.
Sunday - 71°F
Dec 28, 2025
5 to 10 mph S
Sunny
Sunny, with a high near 71. South wind 5 to 10 mph.
Sunday Night - 63°F
Dec 28, 2025
5 to 10 mph S
Chance Rain Showers
A chance of rain showers. Partly cloudy, with a low around 63. South wind 5 to 10 mph.
Monday - 68°F
Dec 29, 2025
15 to 20 mph NW
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 68. Northwest wind 15 to 20 mph.
Monday Night - 41°F
Dec 29, 2025
20 to 25 mph N
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before midnight. Mostly cloudy, with a low around 41. North wind 20 to 25 mph.
Tuesday - 50°F
Dec 30, 2025
15 to 20 mph N
Mostly Sunny
Mostly sunny, with a high near 50. North wind 15 to 20 mph.
Tuesday Night - 43°F
Dec 30, 2025
10 to 15 mph N
Partly Cloudy
Partly cloudy, with a low around 43. North wind 10 to 15 mph.
Wednesday - 54°F
Dec 31, 2025
5 to 10 mph N
Mostly Sunny
Mostly sunny, with a high near 54. North wind 5 to 10 mph.
Wednesday Night - 49°F
Dec 31, 2025
5 mph N
Partly Cloudy
Partly cloudy, with a low around 49. North wind around 5 mph.