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Houston, TX Local Forecast Office

18NM NNW Galveston TX

Marine Point Forecast

[NOTICE]

Wednesday
High: 66 °F
ESE 10kt
< 1ft
Wednesday Night
Low: 60 °F
E 15kt
< 1ft
Thursday
High: 62 °F
NNE 15kt
< 1ft
Thursday Night
Low: 51 °F
NNE 15kt
< 1ft
Friday
High: 56 °F
N 15kt
< 1ft
Friday Night
Low: 54 °F
NNE 10kt
< 1ft
Saturday
High: 62 °F
NNE 10kt
< 1ft
Saturday Night
Low: 56 °F
Light Wind
< 1ft
Sunday
High: 66 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:20 am CST Dec 3, 2025
Forecast Valid: 2am CST Dec 3, 2025-6pm CST Dec 9, 2025

View Nearby Observations

Detailed Forecast

Wednesday

ESE wind around 10 kt. A chance of showers, mainly after 5pm. Seas 1 ft or less.

Wednesday Night

E wind 10 to 15 kt becoming NNE after midnight. Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Seas 1 ft or less.

Thursday

NNE wind around 15 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Thursday Night

NNE wind around 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Friday

N wind 10 to 15 kt. Showers likely, mainly before noon. Seas 1 ft or less.

Friday Night

NNE wind 5 to 10 kt. A chance of showers. Seas 1 ft or less.

Saturday

NNE wind 5 to 10 kt becoming SE in the afternoon. A slight chance of showers before noon. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. 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.