Station GISL1 - 8761724 - Grand Isle, LA
October 1, 2026 11:48 pm CDTLocation: 29.265N 89.958W
Wind Direction: ESE (110°)
Wind Speed: 6.0 knots
Wind Gust: 15.0 knots
Atmospheric Pressure: 29.95 in (1014.2 mb)
Air Temperature: 81.9°F (27.7°C)
Water Temperature: 84.7°F (29.3°C)
Overnight - 81°F
Oct 02, 2026
15 mph SE
Chance Showers And Thunderstorms
A slight chance of rain showers before 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 81. Southeast wind around 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Friday - 86°F
Oct 02, 2026
10 to 15 mph E
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 86, with temperatures falling to around 84 in the afternoon. East wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night - 79°F
Oct 02, 2026
10 to 15 mph E
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 9pm, then a slight chance of showers and thunderstorms between 9pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers and thunderstorms between 1am and 2am, then showers and thunderstorms likely between 2am and 5am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 79, with temperatures rising to around 81 overnight. East wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday - 85°F
Oct 03, 2026
10 to 15 mph SE
Showers And Thunderstorms
Showers and thunderstorms. Partly sunny, with a high near 85. Southeast wind 10 to 15 mph. Chance of precipitation is 90%.
Saturday Night - 79°F
Oct 03, 2026
5 to 10 mph SE
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Sunday - 84°F
Oct 04, 2026
5 to 10 mph SE
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 84. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Sunday Night - 78°F
Oct 04, 2026
5 to 10 mph NE
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 78. Northeast wind 5 to 10 mph. Chance of precipitation is 90%.
Monday - 83°F
Oct 05, 2026
10 to 15 mph NE
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 83. Northeast wind 10 to 15 mph.
Monday Night - 77°F
Oct 05, 2026
15 mph NE
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 77. Northeast wind around 15 mph.
Tuesday - 82°F
Oct 06, 2026
15 mph NE
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Northeast wind around 15 mph.
Tuesday Night - 76°F
Oct 06, 2026
15 to 20 mph NE
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Northeast wind 15 to 20 mph.
Wednesday - 81°F
Oct 07, 2026
20 to 25 mph NE
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Northeast wind 20 to 25 mph.
Wednesday Night - 76°F
Oct 07, 2026
25 to 30 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Northeast wind 25 to 30 mph.
Thursday - 81°F
Oct 08, 2026
25 to 30 mph NE
Chance Rain Showers
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 81. Northeast wind 25 to 30 mph.