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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:21 am CDT Jul 30, 2026
Forecast Valid: 2am CDT Jul 30, 2026-6pm CDT Aug 5, 2026

Thursday

WSW wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas around 1 ft.

Thursday Night

SSW wind 5 to 10 kt. Partly cloudy. Seas around 1 ft.

Friday

SW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas around 1 ft.

Friday Night

S wind around 10 kt. Mostly clear. Seas around 1 ft.

Saturday

WSW wind around 10 kt. Mostly sunny. Seas around 1 ft.

Saturday Night

SSW wind 10 to 15 kt becoming WSW after midnight. A chance of showers and thunderstorms after 1am. Seas around 1 ft.

Sunday

W wind 5 to 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms, mainly before 1pm. Seas around 1 ft.

Sunday Night

S wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas around 1 ft.

Monday

W wind 5 to 10 kt becoming SSE in the afternoon. Sunny. 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.