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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:N wind 17 to 22 kt, with gusts as high as 28 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.

      High: 66 °F

      N 22kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:NNE wind 8 to 13 kt becoming variable and less than 5 kt after midnight. Clear. Seas 1 ft or less.

      Low: 58 °F

      NNE 13kt⇓
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:Variable winds less than 5 kt becoming SE 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

      High: 74 °F

      ⇑SE 10kt
      < 1ft

    • Friday Night

      Friday Night:SSE wind 8 to 11 kt. Clear. Seas 1 ft or less.

      Low: 64 °F

      SSE 11kt
      < 1ft

    • Saturday

      Saturday:SSE wind 8 to 16 kt. Sunny. Seas 1 ft or less.

      High: 78 °F

      SSE 16kt
      < 1ft

    • Saturday Night

      Saturday Night:SE wind 12 to 15 kt. Mostly clear. Seas 1 ft or less.

      Low: 69 °F

      SE 15kt
      < 1ft

    • Sunday

      Sunday:S wind 13 to 18 kt. Sunny. Seas 1 ft or less.

      High: 82 °F

      S 18kt
      < 1ft

    • Sunday Night

      Sunday Night:SSE wind 11 to 15 kt becoming ENE after midnight. Partly cloudy. Seas 1 ft or less.

      Low: 65 °F

      SSE 15kt
      < 1ft

    • Monday

      Monday:NNE wind 20 to 26 kt, with gusts as high as 33 kt. Mostly cloudy. Seas 1 ft or less.

      High: 67 °F

      NNE 26kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:30 am CDT Mar 12, 2026
Forecast Valid: 2am CDT Mar 12, 2026-6pm CDT Mar 18, 2026

View Nearby Observations

Detailed Forecast


Thursday
N wind 17 to 22 kt, with gusts as high as 28 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.
Thursday Night
NNE wind 8 to 13 kt becoming variable and less than 5 kt after midnight. Clear. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SE 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
SSE wind 8 to 11 kt. Clear. Seas 1 ft or less.
Saturday
SSE wind 8 to 16 kt. Sunny. Seas 1 ft or less.
Saturday Night
SE wind 12 to 15 kt. Mostly clear. Seas 1 ft or less.
Sunday
S wind 13 to 18 kt. Sunny. Seas 1 ft or less.
Sunday Night
SSE wind 11 to 15 kt becoming ENE after midnight. Partly cloudy. Seas 1 ft or less.
Monday
NNE wind 20 to 26 kt, with gusts as high as 33 kt. Mostly cloudy. Seas 1 ft or less.

*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: 26.15°N 97.29°W
Last Update: 2:30 am CDT Mar 12, 2026
Forecast Valid: 2am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
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