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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 9, 2026
Forecast Valid: 5am CDT Jul 9, 2026-6pm CDT Jul 15, 2026

Today

SW wind 5 to 10 kt becoming SSE in the afternoon. A slight chance of showers and thunderstorms between 10am and 4pm. Seas 1 ft or less.

Tonight

S wind around 10 kt. A slight chance of showers and thunderstorms after 4am. Seas around 1 ft.

Friday

SSE wind around 10 kt. A chance of showers and thunderstorms, mainly between 7am and 1pm. Seas around 1 ft.

Friday Night

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

Saturday

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

Saturday Night

SSE wind around 10 kt. A slight chance of showers and thunderstorms after 1am. Seas around 1 ft.

Sunday

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

Sunday Night

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

Monday

Variable winds 5 kt or less. 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.