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Houston, TX Local Forecast Office

18NM NNW Galveston TX

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:N wind around 20 kt, with gusts as high as 25 kt. A slight chance of showers before 11pm.  Patchy fog before 11pm.  Seas 1 ft or less.

      Low: 44 °F

      N 20kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:N wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly cloudy through mid morning, then gradual clearing. Seas 1 ft or less.

      High: 55 °F

      N 20kt⇓
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:NNE wind around 10 kt becoming E after midnight. Partly cloudy. Seas 1 ft or less.

      Low: 51 °F

      ENE 10kt
      < 1ft

    • Wednesday

      Wednesday:ESE wind around 10 kt. A chance of showers after noon.   Seas 1 ft or less.

      High: 68 °F

      ESE 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:ESE wind 10 to 15 kt becoming NNE after midnight. Showers and possibly a thunderstorm.   Seas 1 ft or less.

      Low: 60 °F

      NE 15kt
      < 1ft

    • Thursday

      Thursday:NNE wind around 15 kt. Showers likely and possibly a thunderstorm, then showers after 9am.   Seas 1 ft or less.

      High: 65 °F

      NNE 15kt
      < 1ft

    • Thursday Night

      Thursday Night:N wind around 15 kt. A chance of showers.   Seas 1 ft or less.

      Low: 50 °F

      N 15kt
      < 1ft

    • Friday

      Friday:N wind 5 to 15 kt. A chance of showers.   Seas 1 ft or less.

      High: 56 °F

      N 15kt
      < 1ft

    • Friday Night

      Friday Night:N wind 5 to 10 kt. A chance of showers.   Seas 1 ft or less.

      Low: 54 °F

      N 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:06 pm CST Dec 1, 2025
Forecast Valid: 10pm CST Dec 1, 2025-6pm CST Dec 8, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

Tonight
N wind around 20 kt, with gusts as high as 25 kt. A slight chance of showers before 11pm. Patchy fog before 11pm. Seas 1 ft or less.
Tuesday
N wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly cloudy through mid morning, then gradual clearing. Seas 1 ft or less.
Tuesday Night
NNE wind around 10 kt becoming E after midnight. Partly cloudy. Seas 1 ft or less.
Wednesday
ESE wind around 10 kt. A chance of showers after noon. Seas 1 ft or less.
Wednesday Night
ESE wind 10 to 15 kt becoming NNE after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.
Thursday
NNE wind around 15 kt. Showers likely and possibly a thunderstorm, then showers after 9am. Seas 1 ft or less.
Thursday Night
N wind around 15 kt. A chance of showers. Seas 1 ft or less.
Friday
N wind 5 to 15 kt. A chance of showers. Seas 1 ft or less.
Friday Night
N wind 5 to 10 kt. A chance of showers. Seas 1 ft or less.

Winds and waves higher in and near thunderstorms.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 29.54°N 94.97°W
Last Update: 10:06 pm CST Dec 1, 2025
Forecast Valid: 10pm CST Dec 1, 2025-6pm CST Dec 8, 2025
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