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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SE wind around 14 kt. Sunny. Seas around 2 ft.

      High: 79 °F

      SE 14kt
      2ft

    • Tonight

      Tonight:SE wind 11 to 13 kt. Partly cloudy. Seas around 2 ft.

      Low: 74 °F

      SE 13kt
      2ft

    • Friday

      Friday:ESE wind 10 to 13 kt. Sunny. Seas around 2 ft.

      High: 78 °F

      ESE 13kt
      2ft

    • Friday Night

      Friday Night:SSE wind 11 to 13 kt. Mostly clear. Seas around 2 ft.

      Low: 74 °F

      SSE 13kt
      2ft

    • Saturday

      Saturday:SSE wind around 12 kt. Mostly sunny. Seas around 2 ft.

      High: 79 °F

      SSE 12kt
      2ft

    • Saturday Night

      Saturday Night:SSE wind 11 to 13 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 75 °F

      SSE 13kt
      1-2ft

    • Sunday

      Sunday:S wind 10 to 13 kt. Sunny. Seas 1 to 2 ft.

      High: 80 °F

      S 13kt
      1-2ft

    • Sunday Night

      Sunday Night:SSE wind 13 to 16 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 77 °F

      SSE 16kt
      1-2ft

    • Monday

      Monday:S wind 14 to 16 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 81 °F

      S 16kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:00 pm CST Nov 13, 2025
Forecast Valid: 3pm CST Nov 13, 2025-6pm CST Nov 19, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
SE wind around 14 kt. Sunny. Seas around 2 ft.
Tonight
SE wind 11 to 13 kt. Partly cloudy. Seas around 2 ft.
Friday
ESE wind 10 to 13 kt. Sunny. Seas around 2 ft.
Friday Night
SSE wind 11 to 13 kt. Mostly clear. Seas around 2 ft.
Saturday
SSE wind around 12 kt. Mostly sunny. Seas around 2 ft.
Saturday Night
SSE wind 11 to 13 kt. Partly cloudy. Seas 1 to 2 ft.
Sunday
S wind 10 to 13 kt. Sunny. Seas 1 to 2 ft.
Sunday Night
SSE wind 13 to 16 kt. Partly cloudy. Seas 1 to 2 ft.
Monday
S wind 14 to 16 kt. Mostly sunny. Seas 1 to 2 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: 3:00 pm CST Nov 13, 2025
Forecast Valid: 3pm CST Nov 13, 2025-6pm CST Nov 19, 2025
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