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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:20 pm CST Mar 7, 2026
Forecast Valid: 1pm CST Mar 7, 2026-6pm CDT Mar 13, 2026

This Afternoon

SSE wind around 10 kt. Showers and thunderstorms likely, mainly between 3pm and 5pm. Seas around 1 ft.

Tonight

SSE wind 5 to 10 kt becoming NE after midnight. Showers and thunderstorms likely, mainly after 3am. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before 2pm. Seas 1 ft or less.

Sunday Night

SE wind 5 to 10 kt. Patchy fog after 5am. Seas 1 ft or less.

Monday

S wind 5 to 10 kt. A slight chance of showers and thunderstorms. Patchy fog before 8am. Seas 1 ft or less.

Monday Night

SSE wind around 10 kt. Mostly cloudy. Seas around 1 ft.

Tuesday

SSE wind 10 to 15 kt. Mostly cloudy. Seas around 1 ft.

Tuesday Night

SSE wind around 15 kt. A chance of showers and thunderstorms after midnight. Seas around 1 ft.

Wednesday

S wind 10 to 15 kt becoming W in the afternoon. Showers and thunderstorms likely. 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.