Your Ultimate Boating Resource

HomeForecastsLouisiana ForecastsMartello Castle, LA - Lake Borgne Marine Weather

Martello Castle, LA - Lake Borgne Marine Weather Forecast

Station SHBL1 - 8761305 - Shell Beach, LA

December 25, 2025 6:18 am CST
Location: 29.868N 89.673W
Atmospheric Pressure: 30.23 in (1023.7 mb)
Air Temperature: 58.6°F (14.8°C)


Christmas Day - 69°F
Dec 25, 2025
0 to 5 mph SE
Widespread Fog then Partly Sunny
Widespread fog before 11am. Partly sunny. High near 69, with temperatures falling to around 66 in the afternoon. Southeast wind 0 to 5 mph.
Tonight - 59°F
Dec 25, 2025
5 mph S
Widespread Fog
Widespread fog. Mostly cloudy, with a low around 59. South wind around 5 mph.
Friday - 73°F
Dec 26, 2025
5 to 10 mph SW
Widespread Fog then Mostly Sunny
Widespread fog before 9am. Mostly sunny. High near 73, with temperatures falling to around 70 in the afternoon. Southwest wind 5 to 10 mph.
Friday Night - 61°F
Dec 26, 2025
5 to 10 mph SW
Partly Cloudy
Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.
Saturday - 73°F
Dec 27, 2025
5 mph SW
Mostly Sunny
Mostly sunny, with a high near 73. Southwest wind around 5 mph.
Saturday Night - 62°F
Dec 27, 2025
5 mph S
Mostly Clear
Mostly clear, with a low around 62. South wind around 5 mph.
Sunday - 73°F
Dec 28, 2025
5 to 10 mph S
Sunny
Sunny, with a high near 73. South wind 5 to 10 mph.
Sunday Night - 57°F
Dec 28, 2025
5 to 10 mph SW
Chance Rain Showers
A chance of rain showers. Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph.
Monday - 65°F
Dec 29, 2025
10 to 15 mph NW
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 65. Northwest wind 10 to 15 mph.
Monday Night - 37°F
Dec 29, 2025
15 to 20 mph N
Partly Cloudy
Partly cloudy, with a low around 37. North wind 15 to 20 mph.
Tuesday - 48°F
Dec 30, 2025
10 to 20 mph N
Mostly Sunny
Mostly sunny, with a high near 48. North wind 10 to 20 mph.
Tuesday Night - 38°F
Dec 30, 2025
10 mph N
Mostly Clear
Mostly clear, with a low around 38. North wind around 10 mph.
Wednesday - 52°F
Dec 31, 2025
5 to 10 mph N
Sunny
Sunny, with a high near 52. North wind 5 to 10 mph.
Wednesday Night - 43°F
Dec 31, 2025
5 mph W
Mostly Clear
Mostly clear, with a low around 43. West wind around 5 mph.

Don't Miss