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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:SE wind around 15 kt. Sunny. Seas 2 to 3 ft.

      High: 86 °F

      SE 15kt
      2-3ft

    • Tonight

      Tonight:SSE wind 14 to 18 kt. Partly cloudy. Seas 2 to 4 ft.

      Low: 84 °F

      SSE 18kt
      2-4ft

    • Friday

      Friday:E wind 13 to 16 kt. Sunny. Seas 2 to 3 ft.

      High: 85 °F

      E 16kt
      2-3ft

    • Friday Night

      Friday Night:ESE wind 13 to 17 kt. A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am.   Seas 2 to 4 ft.

      Low: 83 °F

      ESE 17kt
      2-4ft

    • Saturday

      Saturday:E wind 13 to 16 kt. A chance of showers and thunderstorms.   Seas around 3 ft.

      High: 84 °F

      E 16kt
      3ft

    • Saturday Night

      Saturday Night:SE wind 14 to 18 kt. A chance of showers and thunderstorms.   Seas 3 to 5 ft.

      Low: 84 °F

      SE 18kt
      3-5ft

    • Sunday

      Sunday:SE wind 13 to 17 kt. A chance of showers and thunderstorms, mainly before 1pm.   Seas around 3 ft.

      High: 85 °F

      SE 17kt
      3ft

    • Sunday Night

      Sunday Night:SE wind around 17 kt. A chance of showers and thunderstorms after 1am.   Seas 3 to 4 ft.

      Low: 83 °F

      SE 17kt
      3-4ft

    • Monday

      Monday:SSE wind around 16 kt. A chance of showers and thunderstorms.   Seas 2 to 3 ft.

      High: 85 °F

      SSE 16kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:45 am CDT Jun 11, 2026
Forecast Valid: 11am CDT Jun 11, 2026-6pm CDT Jun 17, 2026

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Detailed Forecast


Today
SE wind around 15 kt. Sunny. Seas 2 to 3 ft.
Tonight
SSE wind 14 to 18 kt. Partly cloudy. Seas 2 to 4 ft.
Friday
E wind 13 to 16 kt. Sunny. Seas 2 to 3 ft.
Friday Night
ESE wind 13 to 17 kt. A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Seas 2 to 4 ft.
Saturday
E wind 13 to 16 kt. A chance of showers and thunderstorms. Seas around 3 ft.
Saturday Night
SE wind 14 to 18 kt. A chance of showers and thunderstorms. Seas 3 to 5 ft.
Sunday
SE wind 13 to 17 kt. A chance of showers and thunderstorms, mainly before 1pm. Seas around 3 ft.
Sunday Night
SE wind around 17 kt. A chance of showers and thunderstorms after 1am. Seas 3 to 4 ft.
Monday
SSE wind around 16 kt. A chance of showers and thunderstorms. Seas 2 to 3 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: 11:45 am CDT Jun 11, 2026
Forecast Valid: 11am CDT Jun 11, 2026-6pm CDT Jun 17, 2026
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