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18NM SE New Orleans LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:57 pm CDT Jul 31, 2026
Forecast Valid: 4pm CDT Jul 31, 2026-6pm CDT Aug 7, 2026

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 1 AM CDT SATURDAY

Late Afternoon

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 5pm. Seas 1 ft or less.

Tonight

WSW wind 5 to 10 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

Saturday

W wind around 10 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

WSW wind around 10 kt. A chance of showers and thunderstorms, mainly after 4am. Seas 1 ft or less.

Sunday

W wind around 10 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Monday

Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas 1 ft or less.

Monday Night

SSW wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.