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18NM NNW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:01 pm CST Nov 17, 2025
Forecast Valid: 11pm CST Nov 17, 2025-6pm CST Nov 24, 2025

Overnight

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

Tuesday

SSE wind around 10 kt. Mostly sunny. Seas 1 ft or less.

Tuesday Night

SSE wind 5 to 10 kt. Patchy fog after midnight. Seas 1 ft or less.

Wednesday

SE wind 5 to 10 kt. Patchy fog before 8am. Seas 1 ft or less.

Wednesday Night

SE wind around 10 kt. Mostly cloudy. Seas around 1 ft.

Thursday

SE wind 10 to 15 kt. A chance of showers, mainly after noon. Seas around 1 ft.

Thursday Night

SE wind around 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Friday

S wind 5 to 10 kt. Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Seas 1 ft or less.

Friday Night

S wind 5 to 10 kt becoming NNW after midnight. A chance of showers. Seas 1 ft or less.

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.