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Houston, TX Local Forecast Office

18NM NNW Galveston TX

Marine Point Forecast

[NOTICE]

Saturday
High: 75 °F
⇑N 15kt
< 1ft
Saturday Night
Low: 52 °F
N 25kt
< 1ft
Sunday
High: 62 °F
N 20kt
< 1ft
Sunday Night
Low: 48 °F
N 15kt
< 1ft
Monday
High: 60 °F
NNE 15kt
< 1ft
Monday Night
Low: 51 °F
Light Wind
< 1ft
Tuesday
High: 65 °F
⇑S 15kt
< 1ft
Tuesday Night
Low: 62 °F
S 20kt
< 1ft
Wednesday
High: 75 °F
S 20kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:31 am CST Feb 21, 2026
Forecast Valid: 2am CST Feb 21, 2026-6pm CST Feb 27, 2026

View Nearby Observations

Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...

Saturday

SSW wind 5 to 10 kt becoming N 10 to 15 kt in the afternoon. A chance of showers, mainly before 2pm. Areas of dense fog before noon. Seas 1 ft or less.

Saturday Night

N wind 15 to 25 kt. Mostly clear. Seas 1 ft or less.

Sunday

N wind 15 to 20 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.

Sunday Night

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

Monday

NNE wind 5 to 15 kt. Sunny. Seas 1 ft or less.

Monday Night

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

Tuesday

S wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

S wind 15 to 20 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

S wind 15 to 20 kt. Partly sunny. Seas 1 ft or less.

*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.