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Grand Pass, LA Marine Weather Forecast

Tonight - 63°F
Dec 26, 2025
5 to 10 mph SW
Mostly Cloudy then Areas Of Fog
Areas of fog after midnight. Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph.
Saturday - 71°F
Dec 27, 2025
5 to 10 mph SW
Areas Of Fog then Partly Sunny
Areas of fog before 11am. Partly sunny. High near 71, with temperatures falling to around 67 in the afternoon. Southwest wind 5 to 10 mph.
Saturday Night - 62°F
Dec 27, 2025
5 to 10 mph S
Patchy Fog
Patchy fog after 10pm. Partly cloudy, with a low around 62. South wind 5 to 10 mph.
Sunday - 69°F
Dec 28, 2025
5 to 10 mph S
Areas Of Fog then Mostly Sunny
Areas of fog before 8am. Mostly sunny, with a high near 69. South wind 5 to 10 mph.
Sunday Night - 56°F
Dec 28, 2025
10 mph SW
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 56. Southwest wind around 10 mph. Chance of precipitation is 60%.
Monday - 63°F
Dec 29, 2025
10 to 20 mph NW
Chance Showers And Thunderstorms then Partly Sunny
A chance of showers and thunderstorms before noon. Partly sunny, with a high near 63. Northwest wind 10 to 20 mph. Chance of precipitation is 40%.
Monday Night - 34°F
Dec 29, 2025
15 to 20 mph N
Partly Cloudy
Partly cloudy, with a low around 34. North wind 15 to 20 mph.
Tuesday - 47°F
Dec 30, 2025
10 to 15 mph N
Mostly Sunny
Mostly sunny, with a high near 47. North wind 10 to 15 mph.
Tuesday Night - 33°F
Dec 30, 2025
5 to 10 mph N
Mostly Clear then Widespread Frost
Widespread frost after 5am. Mostly clear, with a low around 33. North wind 5 to 10 mph.
Wednesday - 50°F
Dec 31, 2025
5 mph NW
Sunny
Sunny, with a high near 50. Northwest wind around 5 mph.
Wednesday Night - 39°F
Dec 31, 2025
5 mph NW
Mostly Clear
Mostly clear, with a low around 39. Northwest wind around 5 mph.
New Year's Day - 56°F
Jan 01, 2026
5 mph NE
Mostly Sunny
Mostly sunny, with a high near 56. Northeast wind around 5 mph.
Thursday Night - 43°F
Jan 01, 2026
5 to 10 mph E
Mostly Cloudy
Mostly cloudy, with a low around 43. East wind 5 to 10 mph.
Friday - 55°F
Jan 02, 2026
10 mph E
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a high near 55. East wind around 10 mph.

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