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Houston, TX Local Forecast Office

18NM NW Galveston TX

Marine Point Forecast

[NOTICE]

This Afternoon
High: 90 °F
S 10kt
1ft
Tonight
Low: 82 °F
S 10kt
< 1ft
Monday
High: 88 °F
S 10kt
< 1ft
Monday Night
Low: 79 °F
Light Wind
< 1ft
Tuesday
High: 84 °F
Light Wind
< 1ft
Tuesday Night
Low: 80 °F
SSE 10kt
< 1ft
Wednesday
High: 87 °F
SSE 15kt
1ft
Wednesday Night
Low: 82 °F
SSE 15kt
1ft
Thursday
High: 88 °F
S 20kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:21 pm CDT Jun 14, 2026
Forecast Valid: 2pm CDT Jun 14, 2026-6pm CDT Jun 20, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 10 AM CDT

This Afternoon

S wind around 10 kt. A chance of showers and thunderstorms, mainly before 5pm. Seas around 1 ft.

Tonight

S wind around 10 kt. A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 2am. Seas 1 ft or less.

Monday

S wind 5 to 10 kt. Showers and thunderstorms likely, mainly before 4pm. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tuesday Night

SSE wind 5 to 10 kt. A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.

Wednesday

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

Wednesday Night

SSE wind around 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Thursday

S wind 15 to 20 kt. A chance of showers and thunderstorms. Seas around 1 ft.

*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.