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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:21 pm CDT Aug 26, 2026
Forecast Valid: 2pm CDT Aug 26, 2026-6pm CDT Sep 1, 2026

This Afternoon

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

Tonight

S wind around 10 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.

Thursday

W wind 5 to 10 kt becoming SSE in the afternoon. A chance of showers and thunderstorms, mainly after 4pm. Seas 1 ft or less.

Thursday Night

S wind 5 to 10 kt becoming WSW after midnight. A chance of showers and thunderstorms, mainly after 3am. Seas 1 ft or less.

Friday

WNW wind 5 to 10 kt becoming E in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

Friday Night

SSE wind 5 to 10 kt becoming WSW after midnight. A slight chance of showers before 1am. Seas 1 ft or less.

Saturday

N wind 5 to 10 kt becoming SE in the afternoon. A slight chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Saturday Night

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

Sunday

S wind 5 to 10 kt becoming ESE in the morning. Sunny. 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.