Station GISL1 - 8761724 - Grand Isle, LA
December 22, 2025 11:48 pm CSTLocation: 29.265N 89.958W
Wind Direction: E (90°)
Wind Speed: 7.0 knots
Wind Gust: 9.9 knots
Atmospheric Pressure: 30.28 in (1025.5 mb)
Water Temperature: 65.5°F (18.6°C)
Overnight - 63°F
Dec 23, 2025
5 to 10 mph E
Mostly Cloudy
Mostly cloudy, with a low around 63. East wind 5 to 10 mph.
Tuesday - 69°F
Dec 23, 2025
5 mph E
Mostly Sunny
Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. East wind around 5 mph.
Tuesday Night - 62°F
Dec 23, 2025
5 mph E
Partly Cloudy then Patchy Fog
Patchy fog after 5am. Partly cloudy. Low around 62, with temperatures rising to around 64 overnight. East wind around 5 mph.
Wednesday - 68°F
Dec 24, 2025
5 mph E
Patchy Fog then Mostly Sunny
Patchy fog before 7am. Mostly sunny, with a high near 68. East wind around 5 mph.
Wednesday Night - 61°F
Dec 24, 2025
0 to 5 mph E
Mostly Cloudy
Mostly cloudy, with a low around 61. East wind 0 to 5 mph.
Christmas Day - 67°F
Dec 25, 2025
5 mph SE
Partly Sunny
Partly sunny, with a high near 67. Southeast wind around 5 mph.
Thursday Night - 63°F
Dec 25, 2025
5 mph S
Partly Cloudy
Partly cloudy, with a low around 63. South wind around 5 mph.
Friday - 69°F
Dec 26, 2025
5 to 10 mph SW
Sunny
Sunny, with a high near 69. Southwest wind 5 to 10 mph.
Friday Night - 64°F
Dec 26, 2025
5 mph SW
Mostly Clear
Mostly clear, with a low around 64. 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 - 63°F
Dec 27, 2025
5 mph S
Mostly Clear
Mostly clear, with a low around 63. South wind around 5 mph.
Sunday - 70°F
Dec 28, 2025
5 mph SW
Mostly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after noon. Mostly sunny, with a high near 70. Southwest wind around 5 mph.
Sunday Night - 50°F
Dec 28, 2025
5 to 20 mph N
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 50. North wind 5 to 20 mph.
Monday - 57°F
Dec 29, 2025
15 to 20 mph N
Sunny
Sunny, with a high near 57. North wind 15 to 20 mph.