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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:N wind 13 to 22 kt. Mostly cloudy, then gradually becoming sunny. Seas 6 ft subsiding to 2 ft.

      High: 60 °F

      N 22kt
      6ftWaves Subsiding

    • Tuesday Night

      Tuesday Night:N wind 6 to 12 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 55 °F

      N 12kt
      2-3ft

    • Wednesday

      Wednesday:NNW wind around 6 kt becoming E in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 66 °F

      NNW 6kt
      1-2ft

    • Wednesday Night

      Wednesday Night:ESE wind 5 to 7 kt becoming S after midnight. Mostly clear. Seas 1 to 2 ft.

      Low: 61 °F

      S 7kt
      1-2ft

    • New Year's Day

      New Year's Day:S wind 7 to 12 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 73 °F

      S 12kt
      1-2ft

    • Thursday Night

      Thursday Night:S wind 12 to 16 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 69 °F

      S 16kt
      1-2ft

    • Friday

      Friday:S wind 13 to 15 kt. Sunny. Seas 1 to 2 ft.

      High: 76 °F

      S 15kt
      1-2ft

    • Friday Night

      Friday Night:S wind 9 to 13 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 68 °F

      S 13kt
      1-2ft

    • Saturday

      Saturday:SSW wind 7 to 9 kt becoming E in the afternoon. Sunny. Seas around 1 ft.

      High: 75 °F

      E 9kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:30 am CST Dec 30, 2025
Forecast Valid: 2am CST Dec 30, 2025-6pm CST Jan 5, 2026

View Nearby Observations

Detailed Forecast


Tuesday
N wind 13 to 22 kt. Mostly cloudy, then gradually becoming sunny. Seas 6 ft subsiding to 2 ft.
Tuesday Night
N wind 6 to 12 kt. Mostly clear. Seas 2 to 3 ft.
Wednesday
NNW wind around 6 kt becoming E in the afternoon. Sunny. Seas 1 to 2 ft.
Wednesday Night
ESE wind 5 to 7 kt becoming S after midnight. Mostly clear. Seas 1 to 2 ft.
New Year's Day
S wind 7 to 12 kt. Mostly sunny. Seas 1 to 2 ft.
Thursday Night
S wind 12 to 16 kt. Partly cloudy. Seas 1 to 2 ft.
Friday
S wind 13 to 15 kt. Sunny. Seas 1 to 2 ft.
Friday Night
S wind 9 to 13 kt. Mostly clear. Seas 1 to 2 ft.
Saturday
SSW wind 7 to 9 kt becoming E in the afternoon. Sunny. Seas around 1 ft.

*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: 26.11°N 97.16°W
Last Update: 2:30 am CST Dec 30, 2025
Forecast Valid: 2am CST Dec 30, 2025-6pm CST Jan 5, 2026
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