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Saint Bernard, LA Marine Weather Forecast

Station SHBL1 - 8761305 - Shell Beach, LA

August 17, 2026 11:48 pm CDT
Location: 29.868N 89.673W
Wind Direction: SW (230°)
Wind Speed: 9.9 knots
Wind Gust: 12.1 knots
Atmospheric Pressure: 30.03 in (1017.1 mb)


Overnight - 81°F
Aug 18, 2026
5 mph W
Partly Cloudy
Partly cloudy. Low around 81, with temperatures rising to around 83 overnight. West wind around 5 mph.
Tuesday - 93°F
Aug 18, 2026
5 to 10 mph W
Mostly Sunny
Mostly sunny, with a high near 93. Heat index values as high as 109. West wind 5 to 10 mph.
Tuesday Night - 81°F
Aug 18, 2026
5 to 10 mph W
Partly Cloudy
Partly cloudy. Low around 81, with temperatures rising to around 83 overnight. Heat index values as high as 109. West wind 5 to 10 mph.
Wednesday - 93°F
Aug 19, 2026
5 to 10 mph W
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 109. West wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night - 81°F
Aug 19, 2026
5 mph SW
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 81. Southwest wind around 5 mph. Chance of precipitation is 20%.
Thursday - 93°F
Aug 20, 2026
5 to 10 mph W
Sunny
Sunny, with a high near 93. West wind 5 to 10 mph.
Thursday Night - 81°F
Aug 20, 2026
5 to 10 mph W
Partly Cloudy
Partly cloudy, with a low around 81. West wind 5 to 10 mph.
Friday - 91°F
Aug 21, 2026
5 to 10 mph W
Sunny
Sunny, with a high near 91. West wind 5 to 10 mph.
Friday Night - 81°F
Aug 21, 2026
5 to 10 mph SW
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 81. Southwest wind 5 to 10 mph.
Saturday - 91°F
Aug 22, 2026
5 to 10 mph W
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 91. West wind 5 to 10 mph.
Saturday Night - 81°F
Aug 22, 2026
5 mph SW
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 81. Southwest wind around 5 mph.
Sunday - 92°F
Aug 23, 2026
5 mph W
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 92. West wind around 5 mph.
Sunday Night - 81°F
Aug 23, 2026
5 to 10 mph SW
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 81. Southwest wind 5 to 10 mph.
Monday - 91°F
Aug 24, 2026
5 mph W
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. West wind around 5 mph.

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