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18NM SE New Orleans LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:20 am CDT May 20, 2026
Forecast Valid: 7am CDT May 20, 2026-6pm CDT May 26, 2026

Today

SE wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers after 4am. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SE 5 to 10 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.

Friday

SSE wind 5 to 10 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Friday Night

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

Saturday

SSE wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Seas 1 ft or less.

Saturday Night

SSE wind 5 to 10 kt. A chance of showers and thunderstorms, mainly before 1am. Seas 1 ft or less.

Sunday

SSE wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Seas 1 ft or less.

Winds and waves higher in and near thunderstorms.

*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.