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18NM ESE Slidell LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:32 am CST Dec 8, 2025
Forecast Valid: 1pm CST Dec 8, 2025-6pm CST Dec 14, 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

This Afternoon

N wind 15 to 20 kt. Mostly sunny. Seas around 4 ft.

Tonight

NNE wind 10 to 20 kt. Partly cloudy. Seas 3 to 4 ft.

Tuesday

NE wind 5 to 10 kt becoming SE in the afternoon. Sunny. Seas 1 to 2 ft.

Tuesday Night

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 5 to 10 kt becoming N after midnight. Mostly clear. Seas 1 to 2 ft.

Thursday

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

Thursday Night

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

Friday

N wind 5 to 10 kt becoming SE in the afternoon. Mostly sunny. Seas 1 to 2 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.