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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SE wind around 9 kt. Mostly cloudy. Seas 1 to 2 ft.

      Low: 76 °F

      SE 9kt
      1-2ft

    • Sunday

      Sunday:SE wind 7 to 12 kt. Partly sunny. Seas 1 to 2 ft.

      High: 80 °F

      SE 12kt
      1-2ft

    • Sunday Night

      Sunday Night:SE wind around 12 kt. Partly cloudy. Seas around 2 ft.

      Low: 76 °F

      SE 12kt
      2ft

    • Monday

      Monday:SSE wind 12 to 17 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 81 °F

      SSE 17kt
      1-2ft

    • Monday Night

      Monday Night:SE wind 12 to 14 kt. Mostly cloudy. Seas around 2 ft.

      Low: 77 °F

      SE 14kt
      2ft

    • Tuesday

      Tuesday:SSE wind 12 to 17 kt, with gusts as high as 23 kt. Mostly sunny. Seas around 2 ft.

      High: 82 °F

      SSE 17kt
      2ft

    • Tuesday Night

      Tuesday Night:SSE wind 13 to 18 kt. Partly cloudy. Seas 2 to 4 ft.

      Low: 76 °F

      SSE 18kt
      2-4ft

    • Wednesday

      Wednesday:SSE wind 11 to 17 kt. Mostly sunny. Seas around 2 ft.

      High: 81 °F

      SSE 17kt
      2ft

    • Wednesday Night

      Wednesday Night:SE wind 11 to 15 kt. Mostly cloudy. Seas 2 to 3 ft.

      Low: 76 °F

      SE 15kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:00 pm CDT Apr 25, 2026
Forecast Valid: 7pm CDT Apr 25, 2026-6pm CDT May 2, 2026

View Nearby Observations

Detailed Forecast


Tonight
SE wind around 9 kt. Mostly cloudy. Seas 1 to 2 ft.
Sunday
SE wind 7 to 12 kt. Partly sunny. Seas 1 to 2 ft.
Sunday Night
SE wind around 12 kt. Partly cloudy. Seas around 2 ft.
Monday
SSE wind 12 to 17 kt. Mostly sunny. Seas 1 to 2 ft.
Monday Night
SE wind 12 to 14 kt. Mostly cloudy. Seas around 2 ft.
Tuesday
SSE wind 12 to 17 kt, with gusts as high as 23 kt. Mostly sunny. Seas around 2 ft.
Tuesday Night
SSE wind 13 to 18 kt. Partly cloudy. Seas 2 to 4 ft.
Wednesday
SSE wind 11 to 17 kt. Mostly sunny. Seas around 2 ft.
Wednesday Night
SE wind 11 to 15 kt. Mostly cloudy. Seas 2 to 3 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: 7:00 pm CDT Apr 25, 2026
Forecast Valid: 7pm CDT Apr 25, 2026-6pm CDT May 2, 2026
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