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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:20 am CST Feb 18, 2026
Forecast Valid: 7am CST Feb 18, 2026-6pm CST Feb 24, 2026

Today

S wind 5 to 15 kt. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.

Tonight

S wind 10 to 15 kt. Mostly cloudy. Seas around 1 ft.

Thursday

S wind 10 to 15 kt. A slight chance of showers after noon. Patchy fog between 9am and noon. Seas 1 ft or less.

Thursday Night

S wind 5 to 10 kt. Patchy fog after 7pm. Seas 1 ft or less.

Friday

SE wind around 10 kt. A chance of showers. Areas of dense fog before 1pm, then Patchy dense fog after 4pm. Seas 1 ft or less.

Friday Night

SE wind 5 to 10 kt becoming S after midnight. Patchy fog. Seas 1 ft or less.

Saturday

SSW wind 5 to 15 kt becoming NNW in the afternoon. A chance of showers, mainly after noon. Patchy fog before 7am. Seas 1 ft or less.

Saturday Night

N wind 10 to 20 kt. Partly cloudy. Seas around 1 ft.

Sunday

N wind 15 to 20 kt. 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.