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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:S wind 12 to 16 kt. Partly cloudy. Seas around 2 ft.

      Low: 64 °F

      S 16kt
      2ft

    • Wednesday

      Wednesday:SSE wind 12 to 19 kt. Sunny. Seas around 2 ft.

      High: 80 °F

      SSE 19kt
      2ft

    • Wednesday Night

      Wednesday Night:SSE wind 9 to 14 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 71 °F

      SSE 14kt
      1-2ft

    • Thursday

      Thursday:SSE wind 9 to 15 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 81 °F

      SSE 15kt
      1-2ft

    • Thursday Night

      Thursday Night:SSE wind 9 to 12 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 71 °F

      SSE 12kt
      1-2ft

    • Friday

      Friday:SSE wind 9 to 16 kt. Sunny. Seas 1 to 2 ft.

      High: 80 °F

      SSE 16kt
      1-2ft

    • Friday Night

      Friday Night:SSE wind 12 to 14 kt. Partly cloudy. Seas around 2 ft.

      Low: 73 °F

      SSE 14kt
      2ft

    • Saturday

      Saturday:SSE wind 12 to 17 kt. Mostly sunny. Seas around 2 ft.

      High: 81 °F

      SSE 17kt
      2ft

    • Saturday Night

      Saturday Night:SSE wind 11 to 15 kt. Partly cloudy. Seas around 2 ft.

      Low: 74 °F

      SSE 15kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:45 pm CST Nov 11, 2025
Forecast Valid: 9pm CST Nov 11, 2025-6pm CST Nov 18, 2025

View Nearby Observations

Detailed Forecast


Tonight
S wind 12 to 16 kt. Partly cloudy. Seas around 2 ft.
Wednesday
SSE wind 12 to 19 kt. Sunny. Seas around 2 ft.
Wednesday Night
SSE wind 9 to 14 kt. Mostly clear. Seas 1 to 2 ft.
Thursday
SSE wind 9 to 15 kt. Mostly sunny. Seas 1 to 2 ft.
Thursday Night
SSE wind 9 to 12 kt. Mostly clear. Seas 1 to 2 ft.
Friday
SSE wind 9 to 16 kt. Sunny. Seas 1 to 2 ft.
Friday Night
SSE wind 12 to 14 kt. Partly cloudy. Seas around 2 ft.
Saturday
SSE wind 12 to 17 kt. Mostly sunny. Seas around 2 ft.
Saturday Night
SSE wind 11 to 15 kt. Partly cloudy. Seas around 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: 26.15°N 97.29°W
Last Update: 9:45 pm CST Nov 11, 2025
Forecast Valid: 9pm CST Nov 11, 2025-6pm CST Nov 18, 2025
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