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18NM ESE Slidell LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:32 pm CDT May 19, 2026
Forecast Valid: 4pm CDT May 19, 2026-6pm CDT May 26, 2026

Tonight

SSE wind 5 to 15 kt. Mostly cloudy. Seas 3 ft subsiding to 1 ft or less.

Wednesday

SE wind around 10 kt. A slight chance of showers and thunderstorms after 4pm. Seas around 2 ft.

Wednesday Night

SSE wind 5 to 10 kt. A slight chance of showers after 1am. Seas 1 ft or less.

Thursday

SE wind 5 to 15 kt. A slight chance of showers, then a chance of showers and thunderstorms after 10am. Seas 1 to 3 ft.

Thursday Night

SSE wind around 10 kt. A chance of showers and thunderstorms, mainly after 1am. Seas around 2 ft.

Friday

SSE wind 10 to 15 kt. Showers likely and possibly a thunderstorm. Seas 2 to 3 ft.

Friday Night

SSE wind around 10 kt. A chance of showers and thunderstorms. Seas 1 to 2 ft.

Saturday

SE wind 5 to 10 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 to 2 ft.

Saturday Night

SE wind 5 to 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.

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.