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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSE wind 12 to 17 kt. A slight chance of showers before 1pm.   Seas 2 to 3 ft.

      High: 68 °F

      SSE 17kt
      2-3ft

    • Tonight

      Tonight:SSE wind 16 to 18 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 3 ft building to 6 ft.

      Low: 65 °F

      SSE 18kt
      Waves Building6ft

    • Tuesday

      Tuesday:S wind 12 to 16 kt. Mostly sunny. Seas 5 ft subsiding to 2 ft.

      High: 70 °F

      S 16kt
      5ftWaves Subsiding

    • Tuesday Night

      Tuesday Night:SSE wind 7 to 12 kt becoming WNW after midnight. Partly cloudy. Seas 2 to 4 ft.

      Low: 62 °F

      SSE 12kt
      2-4ft

    • Wednesday

      Wednesday:NW wind 7 to 12 kt becoming N 13 to 18 kt in the afternoon. Partly sunny. Seas 2 to 4 ft.

      High: 67 °F

      ⇑N 18kt
      2-4ft

    • Wednesday Night

      Wednesday Night:NNE wind 17 to 19 kt. Mostly cloudy. Seas 6 ft subsiding to 3 ft.

      Low: 58 °F

      NNE 19kt
      6ftWaves Subsiding

    • Thursday

      Thursday:N wind 11 to 16 kt. Sunny. Seas 3 to 5 ft.

      High: 62 °F

      N 16kt
      3-5ft

    • Thursday Night

      Thursday Night:NNE wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 2 to 3 ft.

      Low: 56 °F

      NNE 10kt⇓
      2-3ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SE 5 to 9 kt in the afternoon. Sunny. Seas around 2 ft.

      High: 66 °F

      ⇑SE 9kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:30 am CST Feb 2, 2026
Forecast Valid: 10am CST Feb 2, 2026-6pm CST Feb 8, 2026

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Detailed Forecast


Today
SSE wind 12 to 17 kt. A slight chance of showers before 1pm. Seas 2 to 3 ft.
Tonight
SSE wind 16 to 18 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 3 ft building to 6 ft.
Tuesday
S wind 12 to 16 kt. Mostly sunny. Seas 5 ft subsiding to 2 ft.
Tuesday Night
SSE wind 7 to 12 kt becoming WNW after midnight. Partly cloudy. Seas 2 to 4 ft.
Wednesday
NW wind 7 to 12 kt becoming N 13 to 18 kt in the afternoon. Partly sunny. Seas 2 to 4 ft.
Wednesday Night
NNE wind 17 to 19 kt. Mostly cloudy. Seas 6 ft subsiding to 3 ft.
Thursday
N wind 11 to 16 kt. Sunny. Seas 3 to 5 ft.
Thursday Night
NNE wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 2 to 3 ft.
Friday
Variable winds less than 5 kt becoming SE 5 to 9 kt in the afternoon. Sunny. 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: 26.11°N 97.16°W
Last Update: 10:30 am CST Feb 2, 2026
Forecast Valid: 10am CST Feb 2, 2026-6pm CST Feb 8, 2026
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