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Houston, TX Local Forecast Office

18NM NNW Galveston TX

Marine Point Forecast

[NOTICE]

Tonight
Low: 58 °F
SE 15kt
1ft
Wednesday
High: 66 °F
SSE 10kt
1ft
Wednesday Night
Low: 61 °F
S 10kt
< 1ft
Thursday
High: 67 °F
SE 10kt
< 1ft
Thursday Night
Low: 60 °F
SE 10kt
< 1ft
Friday
High: 64 °F
E 15kt
1ft
Friday Night
Low: 47 °F
ENE 20kt
1-2ft
Saturday
High: 49 °F
N 20kt
2ft
Saturday Night
Low: 31 °F
N 25kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:53 pm CST Jan 20, 2026
Forecast Valid: 9pm CST Jan 20, 2026-6pm CST Jan 27, 2026

View Nearby Observations

Detailed Forecast

Tonight

SE wind around 15 kt. A slight chance of showers after 5am. Seas around 1 ft.

Wednesday

SSE wind around 10 kt. A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Seas around 1 ft.

Wednesday Night

S wind 5 to 10 kt. A chance of showers, mainly before midnight. Patchy fog after 9pm. Seas 1 ft or less.

Thursday

SE wind 5 to 10 kt. A chance of showers. Patchy fog before 11am. Seas 1 ft or less.

Thursday Night

SE wind around 10 kt. Patchy fog after 11pm. Seas 1 ft or less.

Friday

E wind 10 to 15 kt. A chance of rain. Seas around 1 ft.

Friday Night

ENE wind 15 to 20 kt. Rain likely, mainly after midnight. Seas 1 to 2 ft.

Saturday

N wind 15 to 20 kt. Rain. Seas around 2 ft.

Saturday Night

N wind 20 to 25 kt. A chance of rain. Seas around 2 ft.

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.