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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 14 to 16 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 76 °F

      S 16kt
      2-3ft

    • Tonight

      Tonight:SSE wind 9 to 13 kt. Mostly cloudy. Seas around 2 ft.

      Low: 69 °F

      SSE 13kt
      2ft

    • Friday

      Friday:SSE wind 8 to 13 kt. Sunny. Seas around 2 ft.

      High: 75 °F

      SSE 13kt
      2ft

    • Friday Night

      Friday Night:SSE wind 8 to 12 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 69 °F

      SSE 12kt
      1-2ft

    • Saturday

      Saturday:SSE wind 6 to 12 kt becoming NE in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 75 °F

      NE 12kt
      1-2ft

    • Saturday Night

      Saturday Night:N wind 12 to 17 kt increasing to 22 to 27 kt after midnight. Partly cloudy. Seas 2 to 3 ft.

      Low: 60 °F

      ⇑N 27kt
      2-3ft

    • Sunday

      Sunday:N wind 21 to 27 kt. Mostly sunny. Seas 3 to 4 ft.

      High: 66 °F

      N 27kt
      3-4ft

    • Sunday Night

      Sunday Night:NE wind 16 to 20 kt. Partly cloudy. Seas 4 to 5 ft.

      Low: 58 °F

      NE 20kt
      4-5ft

    • Monday

      Monday:NE wind 16 to 18 kt. Mostly sunny. Seas around 3 ft.

      High: 65 °F

      NE 18kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:18 am CST Feb 19, 2026
Forecast Valid: 6am CST Feb 19, 2026-6pm CST Feb 25, 2026

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Detailed Forecast


Today
S wind 14 to 16 kt. Mostly sunny. Seas 2 to 3 ft.
Tonight
SSE wind 9 to 13 kt. Mostly cloudy. Seas around 2 ft.
Friday
SSE wind 8 to 13 kt. Sunny. Seas around 2 ft.
Friday Night
SSE wind 8 to 12 kt. Mostly clear. Seas 1 to 2 ft.
Saturday
SSE wind 6 to 12 kt becoming NE in the afternoon. Sunny. Seas 1 to 2 ft.
Saturday Night
N wind 12 to 17 kt increasing to 22 to 27 kt after midnight. Partly cloudy. Seas 2 to 3 ft.
Sunday
N wind 21 to 27 kt. Mostly sunny. Seas 3 to 4 ft.
Sunday Night
NE wind 16 to 20 kt. Partly cloudy. Seas 4 to 5 ft.
Monday
NE wind 16 to 18 kt. Mostly sunny. Seas around 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: 6:18 am CST Feb 19, 2026
Forecast Valid: 6am CST Feb 19, 2026-6pm CST Feb 25, 2026
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