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Houston, TX Local Forecast Office

18NM NNW Galveston TX

Marine Point Forecast

[NOTICE]

Tonight
Low: 78 °F
SE 10kt
< 1ft
Friday
High: 82 °F
SE 10kt
< 1ft
Friday Night
Low: 79 °F
SE 15kt
< 1ft
Saturday
High: 85 °F
SSE 10kt
< 1ft
Saturday Night
Low: 77 °F
S 10kt
< 1ft
Sunday
High: 84 °F
N 10kt
< 1ft
Sunday Night
Low: 72 °F
NE 10kt
< 1ft
Monday
High: 83 °F
ESE 10kt
< 1ft
Monday Night
Low: 76 °F
SSE 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:41 pm CDT Oct 16, 2025
Forecast Valid: 10pm CDT Oct 16, 2025-6pm CDT Oct 23, 2025

View Nearby Observations

Detailed Forecast

Tonight

SE wind around 10 kt. A slight chance of showers after 4am. Seas 1 ft or less.

Friday

SE wind around 10 kt. A slight chance of showers before 9am, then a chance of showers and thunderstorms between 9am and 10am, then a slight chance of showers after 10am. Some of the storms could produce heavy rainfall. Seas 1 ft or less.

Friday Night

SE wind 10 to 15 kt. Mostly clear. Seas 1 ft or less.

Saturday

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

Saturday Night

S wind around 10 kt becoming W after midnight. A slight chance of showers after 1am. Seas 1 ft or less.

Sunday

NNW wind around 10 kt becoming NE in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

NE wind around 10 kt. Mostly clear. Seas 1 ft or less.

Monday

E wind around 10 kt becoming SSE in the afternoon. Sunny. Seas 1 ft or less.

Monday Night

SSE wind around 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.