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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 13 to 16 kt. Mostly sunny. Seas around 2 ft.

      High: 72 °F

      S 16kt
      2ft

    • Tonight

      Tonight:S wind 7 to 12 kt becoming NW after midnight. Increasing clouds. Seas 1 to 2 ft.

      Low: 59 °F

      S 12kt
      1-2ft

    • Wednesday

      Wednesday:NNW wind 7 to 17 kt becoming NNE in the afternoon. Partly sunny. Seas 1 to 3 ft.

      High: 67 °F

      N 17kt
      1-3ft

    • Wednesday Night

      Wednesday Night:NNE wind 13 to 17 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 55 °F

      NNE 17kt
      2-3ft

    • Thursday

      Thursday:N wind 10 to 13 kt. Sunny. Seas around 2 ft.

      High: 63 °F

      N 13kt
      2ft

    • Thursday Night

      Thursday Night:NE wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas around 1 ft.

      Low: 51 °F

      NE 9kt⇓
      1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SE 5 to 9 kt in the afternoon. Sunny. Seas around 1 ft.

      High: 68 °F

      ⇑SE 9kt
      1ft

    • Friday Night

      Friday Night:SE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Clear. Seas around 1 ft.

      Low: 58 °F

      SE 9kt⇓
      1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSE 6 to 11 kt in the morning. Sunny. Seas 1 to 2 ft.

      High: 72 °F

      ⇑SSE 11kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:00 am CST Feb 3, 2026
Forecast Valid: 7am CST Feb 3, 2026-6pm CST Feb 9, 2026

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Detailed Forecast


Today
S wind 13 to 16 kt. Mostly sunny. Seas around 2 ft.
Tonight
S wind 7 to 12 kt becoming NW after midnight. Increasing clouds. Seas 1 to 2 ft.
Wednesday
NNW wind 7 to 17 kt becoming NNE in the afternoon. Partly sunny. Seas 1 to 3 ft.
Wednesday Night
NNE wind 13 to 17 kt. Partly cloudy. Seas 2 to 3 ft.
Thursday
N wind 10 to 13 kt. Sunny. Seas around 2 ft.
Thursday Night
NE wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas around 1 ft.
Friday
Variable winds less than 5 kt becoming SE 5 to 9 kt in the afternoon. Sunny. Seas around 1 ft.
Friday Night
SE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Clear. Seas around 1 ft.
Saturday
Variable winds less than 5 kt becoming SSE 6 to 11 kt in the morning. 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: 26.15°N 97.29°W
Last Update: 7:00 am CST Feb 3, 2026
Forecast Valid: 7am CST Feb 3, 2026-6pm CST Feb 9, 2026
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