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New Orleans/Baton Rouge, LA Local Forecast Office

18NM ESE Slidell LA

Marine Point Forecast

[NOTICE]

This Afternoon
High: 70 °F
Light Wind
1ft
Tonight
Low: 64 °F
N 10kt
1-2ft
Sunday
High: 71 °F
N 10kt
1-2ft
Sunday Night
Low: 65 °F
E 10kt
1-2ft
Monday
High: 72 °F
SE 15kt
2-3ft
Monday Night
Low: 70 °F
S 15kt
3ft
Tuesday
High: 74 °F
S 15kt
3ft
Tuesday Night
Low: 65 °F
S 10kt
1-2ft
Wednesday
High: 69 °F
N 20kt
2-4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:32 am CST Nov 22, 2025
Forecast Valid: 12pm CST Nov 22, 2025-6pm CST Nov 28, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

SW wind 5 to 10 kt becoming N after midnight. Partly cloudy. Seas 1 to 2 ft.

Sunday

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

Sunday Night

N wind 5 to 10 kt becoming E after midnight. Partly cloudy. Seas 1 to 2 ft.

Monday

SE wind 10 to 15 kt. Mostly sunny. Seas 2 to 3 ft.

Monday Night

S wind around 15 kt. A chance of showers, mainly after midnight. Seas around 3 ft.

Tuesday

S wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers, with thunderstorms also possible after noon. Seas around 3 ft.

Tuesday Night

S wind around 10 kt becoming NNW after midnight. Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Seas 1 to 2 ft.

Wednesday

N wind 10 to 20 kt. A slight chance of showers. Seas 2 to 4 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.