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Houston, TX Local Forecast Office

18NM NNW Galveston TX

Marine Point Forecast

[NOTICE]

Saturday
High: 76 °F
SSE 10kt
1ft
Saturday Night
Low: 69 °F
SE 10kt
< 1ft
Sunday
High: 73 °F
Light Wind
< 1ft
Sunday Night
Low: 71 °F
Light Wind
< 1ft
Monday
High: 77 °F
SSE 15kt
< 1ft
Monday Night
Low: 72 °F
SSE 10kt
1ft
Tuesday
High: 76 °F
SSE 15kt
1ft
Tuesday Night
Low: 71 °F
SSE 20kt
1ft
Wednesday
High: 77 °F
S 15kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:20 am CST Mar 7, 2026
Forecast Valid: 1am CST Mar 7, 2026-6pm CDT Mar 13, 2026

View Nearby Observations

Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST SATURDAY...

Saturday

SSE wind around 10 kt. A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas around 1 ft.

Saturday Night

SE wind 5 to 10 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Seas 1 ft or less.

Sunday

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

Sunday Night

Variable winds 5 kt or less. Patchy fog after 10pm. Seas 1 ft or less.

Monday

SSE wind 5 to 15 kt. A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Seas 1 ft or less.

Monday Night

SSE wind around 10 kt. Cloudy. Seas around 1 ft.

Tuesday

SSE wind around 15 kt, with gusts as high as 20 kt. Cloudy. Seas around 1 ft.

Tuesday Night

SSE wind 15 to 20 kt. A slight chance of showers, then a chance of showers and thunderstorms after midnight. Seas around 1 ft.

Wednesday

S wind 10 to 15 kt becoming W in the afternoon. 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.