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Houston, TX Local Forecast Office

18NM NW Galveston TX

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
S 10kt
1ft
Saturday
High: 89 °F
S 10kt
1ft
Saturday Night
Low: 81 °F
S 10kt
< 1ft
Sunday
High: 90 °F
SSE 10kt
< 1ft
Sunday Night
Low: 81 °F
SSE 10kt
< 1ft
Monday
High: 90 °F
SSE 10kt
< 1ft
Monday Night
Low: 80 °F
S 10kt
< 1ft
Tuesday
High: 90 °F
SSE 10kt
< 1ft
Tuesday Night
Low: 79 °F
S 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:31 pm CDT Jul 11, 2025
Forecast Valid: 9pm CDT Jul 11, 2025-6pm CDT Jul 18, 2025

View Nearby Observations

Detailed Forecast

Tonight

S wind around 10 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Seas around 1 ft.

Saturday

S wind around 10 kt. Showers and thunderstorms likely, mainly between 1pm and 4pm. Seas around 1 ft.

Saturday Night

S wind around 10 kt. A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Seas 1 ft or less.

Sunday

SSE wind around 10 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Sunday Night

SSE wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Monday

SSE wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 10am. Seas 1 ft or less.

Monday Night

S wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

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

Tuesday Night

S wind 5 to 10 kt. Mostly clear. 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.