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Houston, TX Local Forecast Office

18NM NNW Galveston TX

Marine Point Forecast

[NOTICE]

Overnight
Low: 67 °F
Light Wind
< 1ft
Sunday
High: 72 °F
Light Wind
< 1ft
Sunday Night
Low: 70 °F
Light Wind
< 1ft
Monday
High: 76 °F
SSE 10kt
< 1ft
Monday Night
Low: 71 °F
SSE 10kt
1ft
Tuesday
High: 76 °F
SSE 15kt
1ft
Tuesday Night
Low: 71 °F
SSE 20kt
1ft
Wednesday
High: 78 °F
WNW 15kt
1ft
Wednesday Night
Low: 57 °F
⇑N 30kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:21 am CST Mar 8, 2026
Forecast Valid: 12am CST Mar 8, 2026-6pm CDT Mar 14, 2026

View Nearby Observations

Detailed Forecast

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

Overnight

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly between 1am and 2am. Patchy fog. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly before 5pm. Patchy fog before 1pm, then Patchy fog between 2pm and 3pm. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Patchy fog before 7pm, then Patchy fog between 8pm and 9pm, then Patchy fog after 10pm. Seas 1 ft or less.

Monday

SSE wind 5 to 10 kt. A chance of showers and thunderstorms after noon. Patchy fog before 11am. Seas 1 ft or less.

Monday Night

SSE wind around 10 kt. Patchy fog after 7pm. Seas around 1 ft.

Tuesday

SSE wind 10 to 15 kt, with gusts as high as 20 kt. Patchy fog before 8am. Seas around 1 ft.

Tuesday Night

SSE wind 15 to 20 kt. A chance of showers after midnight. Seas around 1 ft.

Wednesday

S wind 10 to 15 kt becoming WNW in the afternoon. Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Seas around 1 ft.

Wednesday Night

NW wind 15 to 20 kt becoming N 25 to 30 kt after midnight. Mostly clear. 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.