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Houston, TX Local Forecast Office

18NM NNW Galveston TX

Marine Point Forecast

[NOTICE]

Thursday
High: 65 °F
N 25kt⇓
1-2ft

Small Craft Advisory
Thursday Night
Low: 53 °F
NNE 10kt
< 1ft
Friday
High: 70 °F
S 10kt
< 1ft
Friday Night
Low: 55 °F
S 10kt
< 1ft
Saturday
High: 74 °F
SSE 15kt
< 1ft
Saturday Night
Low: 62 °F
SSE 15kt
< 1ft
Sunday
High: 79 °F
SSW 20kt
< 1ft
Sunday Night
Low: 69 °F
⇑N 25kt
< 1ft
Monday
High: 60 °F
N 25kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:20 am CDT Mar 12, 2026
Forecast Valid: 1am CDT Mar 12, 2026-6pm CDT Mar 18, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

Thursday

N wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Sunny. Seas 1 to 2 ft.

Thursday Night

NNE wind 5 to 10 kt becoming ESE after midnight. Clear. Seas 1 ft or less.

Friday

S wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Friday Night

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

Saturday

SSE wind 5 to 15 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

SSE wind around 15 kt. Partly cloudy. Seas 1 ft or less.

Sunday

SSW wind 10 to 20 kt. Mostly sunny. Seas 1 ft or less.

Sunday Night

SSW wind 10 to 15 kt becoming N 20 to 25 kt in the evening. Winds could gust as high as 30 kt. A slight chance of showers and thunderstorms before 1am. Seas 1 ft or less.

Monday

N wind 15 to 25 kt. Partly sunny. 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.