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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:SSE wind 15 to 20 kt, with gusts as high as 26 kt. Partly sunny. Seas 2 to 3 ft.

      High: 77 °F

      SSE 20kt
      2-3ft

    • Tuesday Night

      Tuesday Night:SSE wind 17 to 20 kt. Mostly cloudy. Seas 2 to 4 ft.

      Low: 73 °F

      SSE 20kt
      2-4ft

    • Wednesday

      Wednesday:S wind 11 to 16 kt becoming NNW in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 2 to 4 ft.

      High: 81 °F

      S 16kt
      2-4ft

    • Wednesday Night

      Wednesday Night:Variable winds less than 5 kt becoming N 10 to 15 kt after midnight. Mostly clear. Seas 2 to 3 ft.

      Low: 67 °F

      ⇑N 15kt
      2-3ft

    • Thursday

      Thursday:N wind 19 to 23 kt. Sunny. Seas 3 to 4 ft.

      High: 70 °F

      N 23kt
      3-4ft

    • Thursday Night

      Thursday Night:NNE wind 5 to 15 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 64 °F

      NNE 15kt
      2-3ft

    • Friday

      Friday:Variable winds less than 5 kt becoming ESE 5 to 10 kt in the afternoon. Sunny. Seas 2 to 3 ft.

      High: 72 °F

      ⇑ESE 10kt
      2-3ft

    • Friday Night

      Friday Night:SE wind 9 to 11 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 68 °F

      SE 11kt
      2-3ft

    • Saturday

      Saturday:SSE wind 9 to 15 kt. Sunny. Seas 2 to 3 ft.

      High: 75 °F

      SSE 15kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:00 am CDT Mar 10, 2026
Forecast Valid: 4am CDT Mar 10, 2026-6pm CDT Mar 16, 2026

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Detailed Forecast


Tuesday
SSE wind 15 to 20 kt, with gusts as high as 26 kt. Partly sunny. Seas 2 to 3 ft.
Tuesday Night
SSE wind 17 to 20 kt. Mostly cloudy. Seas 2 to 4 ft.
Wednesday
S wind 11 to 16 kt becoming NNW in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 2 to 4 ft.
Wednesday Night
Variable winds less than 5 kt becoming N 10 to 15 kt after midnight. Mostly clear. Seas 2 to 3 ft.
Thursday
N wind 19 to 23 kt. Sunny. Seas 3 to 4 ft.
Thursday Night
NNE wind 5 to 15 kt. Mostly clear. Seas 2 to 3 ft.
Friday
Variable winds less than 5 kt becoming ESE 5 to 10 kt in the afternoon. Sunny. Seas 2 to 3 ft.
Friday Night
SE wind 9 to 11 kt. Mostly clear. Seas 2 to 3 ft.
Saturday
SSE wind 9 to 15 kt. Sunny. 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: 4:00 am CDT Mar 10, 2026
Forecast Valid: 4am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
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