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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSE wind 17 to 19 kt. Mostly cloudy. Seas 2 to 3 ft.

      Low: 81 °F

      SSE 19kt
      2-3ft

    • Wednesday

      Wednesday:SSE wind 15 to 18 kt. A chance of showers and thunderstorms, mainly between noon and 1pm.   Seas 2 to 3 ft.

      High: 83 °F

      SSE 18kt
      2-3ft

    • Wednesday Night

      Wednesday Night:SE wind 10 to 13 kt. A slight chance of showers between 11pm and midnight.   Seas around 2 ft.

      Low: 80 °F

      SE 13kt
      2ft

    • Thursday

      Thursday:SSE wind 7 to 10 kt becoming E in the afternoon. Mostly sunny. Seas around 2 ft.

      High: 82 °F

      E 10kt
      2ft

    • Thursday Night

      Thursday Night:E wind 6 to 10 kt becoming SSE after midnight. Partly cloudy. Seas around 2 ft.

      Low: 80 °F

      E 10kt
      2ft

    • Friday

      Friday:Variable winds less than 5 kt becoming ESE 6 to 11 kt in the morning. Mostly sunny. Seas around 2 ft.

      High: 83 °F

      ⇑ESE 11kt
      2ft

    • Friday Night

      Friday Night:ESE wind around 12 kt becoming SSE after midnight. Mostly clear. Seas 2 to 3 ft.

      Low: 81 °F

      ESE 12kt
      2-3ft

    • Saturday

      Saturday:S wind 10 to 13 kt becoming ESE in the afternoon. Mostly sunny. Seas around 2 ft.

      High: 84 °F

      ESE 13kt
      2ft

    • Saturday Night

      Saturday Night:ESE wind around 13 kt. Mostly cloudy. Seas 1 to 2 ft.

      Low: 82 °F

      ESE 13kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:00 pm CDT May 26, 2026
Forecast Valid: 8pm CDT May 26, 2026-6pm CDT Jun 2, 2026

View Nearby Observations

Detailed Forecast


Tonight
SSE wind 17 to 19 kt. Mostly cloudy. Seas 2 to 3 ft.
Wednesday
SSE wind 15 to 18 kt. A chance of showers and thunderstorms, mainly between noon and 1pm. Seas 2 to 3 ft.
Wednesday Night
SE wind 10 to 13 kt. A slight chance of showers between 11pm and midnight. Seas around 2 ft.
Thursday
SSE wind 7 to 10 kt becoming E in the afternoon. Mostly sunny. Seas around 2 ft.
Thursday Night
E wind 6 to 10 kt becoming SSE after midnight. Partly cloudy. Seas around 2 ft.
Friday
Variable winds less than 5 kt becoming ESE 6 to 11 kt in the morning. Mostly sunny. Seas around 2 ft.
Friday Night
ESE wind around 12 kt becoming SSE after midnight. Mostly clear. Seas 2 to 3 ft.
Saturday
S wind 10 to 13 kt becoming ESE in the afternoon. Mostly sunny. Seas around 2 ft.
Saturday Night
ESE wind around 13 kt. Mostly cloudy. Seas 1 to 2 ft.

Winds and seas higher in and near thunderstorms.

*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: 8:00 pm CDT May 26, 2026
Forecast Valid: 8pm CDT May 26, 2026-6pm CDT Jun 2, 2026
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