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21NM NNW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:56 pm CST Nov 19, 2025
Forecast Valid: 5pm CST Nov 19, 2025-6pm CST Nov 26, 2025

Tonight

SE wind around 10 kt. Partly cloudy. Seas around 1 ft.

Thursday

SE wind 10 to 15 kt. A chance of showers after noon. Seas around 1 ft.

Thursday Night

SSE wind 10 to 15 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Friday

S wind around 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Seas around 1 ft.

Friday Night

S wind around 10 kt becoming SW after midnight. A chance of showers, with thunderstorms also possible after 9pm. Seas 1 ft or less.

Saturday

SW wind 5 to 10 kt becoming NE in the morning. A chance of showers and thunderstorms. Seas 1 ft or less.

Saturday Night

ESE wind around 10 kt. A chance of showers, mainly after midnight. Seas around 1 ft.

Sunday

SE wind 10 to 15 kt. A chance of showers. Seas around 1 ft.

Sunday Night

SSE wind around 15 kt. A chance of showers, with thunderstorms also possible after midnight. 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.