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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SE wind 6 to 12 kt. A slight chance of showers and thunderstorms before midnight.   Seas 1 ft or less.

      Low: 79 °F

      SE 12kt
      < 1ft

    • Thursday

      Thursday:E wind 5 to 11 kt. Mostly sunny. Seas 1 ft or less.

      High: 83 °F

      E 11kt
      < 1ft

    • Thursday Night

      Thursday Night:E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      Low: 79 °F

      E 10kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming E 7 to 12 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      High: 84 °F

      ⇑E 12kt
      < 1ft

    • Friday Night

      Friday Night:E wind 8 to 11 kt becoming SSE after midnight. Mostly clear. Seas 1 ft or less.

      Low: 80 °F

      E 11kt
      < 1ft

    • Saturday

      Saturday:S wind 6 to 13 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 ft or less.

      High: 85 °F

      ESE 13kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind 9 to 12 kt. Partly cloudy. Seas 1 ft or less.

      Low: 81 °F

      ESE 12kt
      < 1ft

    • Sunday

      Sunday:ESE wind 7 to 13 kt. Partly sunny. Seas 1 ft or less.

      High: 85 °F

      ESE 13kt
      < 1ft

    • Sunday Night

      Sunday Night:SE wind 6 to 12 kt. Partly cloudy. Seas 1 ft or less.

      Low: 81 °F

      SE 12kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:45 pm CDT May 27, 2026
Forecast Valid: 10pm CDT May 27, 2026-6pm CDT Jun 3, 2026

View Nearby Observations

Detailed Forecast


Tonight
SE wind 6 to 12 kt. A slight chance of showers and thunderstorms before midnight. Seas 1 ft or less.
Thursday
E wind 5 to 11 kt. Mostly sunny. Seas 1 ft or less.
Thursday Night
E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming E 7 to 12 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Friday Night
E wind 8 to 11 kt becoming SSE after midnight. Mostly clear. Seas 1 ft or less.
Saturday
S wind 6 to 13 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 ft or less.
Saturday Night
ESE wind 9 to 12 kt. Partly cloudy. Seas 1 ft or less.
Sunday
ESE wind 7 to 13 kt. Partly sunny. Seas 1 ft or less.
Sunday Night
SE wind 6 to 12 kt. Partly 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: 10:45 pm CDT May 27, 2026
Forecast Valid: 10pm CDT May 27, 2026-6pm CDT Jun 3, 2026
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