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18NM ESE Slidell LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:58 pm CST Dec 9, 2025
Forecast Valid: 8pm CST Dec 9, 2025-6pm CST Dec 16, 2025

Tonight

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Wednesday

WSW wind 5 to 10 kt. Sunny. Seas 1 to 2 ft.

Wednesday Night

W wind around 10 kt becoming NNE after midnight. Mostly clear. Seas around 2 ft.

Thursday

NNE wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas 1 to 2 ft.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Friday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Friday Night

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

Saturday

SE wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

SE wind 5 to 10 kt becoming ENE after midnight. A slight chance of showers. Seas around 1 ft.

*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.