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18NM NNW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:56 am CST Feb 20, 2026
Forecast Valid: 3am CST Feb 20, 2026-6pm CST Feb 26, 2026

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

Friday

ESE wind 5 to 10 kt. A chance of showers before 4pm, then a slight chance of showers after 5pm. Patchy dense fog before noon. Seas 1 ft or less.

Friday Night

SSE wind 5 to 10 kt. Patchy dense fog after 9pm. Seas 1 ft or less.

Saturday

ENE wind 5 to 15 kt becoming NNW in the morning. A chance of showers, mainly after noon. Areas of dense fog before 10am. Seas 1 ft or less.

Saturday Night

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

Sunday

N wind 10 to 20 kt. Sunny. Seas around 1 ft.

Sunday Night

N wind around 10 kt. Mostly clear. Seas around 1 ft.

Monday

NNE wind 5 to 10 kt. Sunny. Seas around 1 ft.

Monday Night

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

Tuesday

E wind 5 to 15 kt becoming S in the afternoon. 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.