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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:SE wind 11 to 14 kt. A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm.   Seas 1 to 2 ft.

      High: 85 °F

      SE 14kt
      1-2ft

    • Tonight

      Tonight:SE wind around 13 kt. A slight chance of showers between 1am and 2am.   Seas 1 to 2 ft.

      Low: 82 °F

      SE 13kt
      1-2ft

    • Saturday

      Saturday:SE wind 12 to 14 kt. A slight chance of showers and thunderstorms between 11am and noon.   Seas around 2 ft.

      High: 85 °F

      SE 14kt
      2ft

    • Saturday Night

      Saturday Night:SE wind around 12 kt. Partly cloudy. Seas around 2 ft.

      Low: 82 °F

      SE 12kt
      2ft

    • Sunday

      Sunday:SSE wind 10 to 14 kt. Sunny. Seas 2 to 3 ft.

      High: 86 °F

      SSE 14kt
      2-3ft

    • Sunday Night

      Sunday Night:SSE wind around 14 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 82 °F

      SSE 14kt
      2-3ft

    • Monday

      Monday:SE wind 12 to 14 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 86 °F

      SE 14kt
      2-3ft

    • Monday Night

      Monday Night:SE wind 12 to 14 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 82 °F

      SE 14kt
      2-3ft

    • Tuesday

      Tuesday:SE wind 12 to 14 kt. Mostly sunny. Seas around 2 ft.

      High: 86 °F

      SE 14kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:00 am CDT Jul 10, 2026
Forecast Valid: 8am CDT Jul 10, 2026-6pm CDT Jul 16, 2026

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Detailed Forecast


Today
SE wind 11 to 14 kt. A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm. Seas 1 to 2 ft.
Tonight
SE wind around 13 kt. A slight chance of showers between 1am and 2am. Seas 1 to 2 ft.
Saturday
SE wind 12 to 14 kt. A slight chance of showers and thunderstorms between 11am and noon. Seas around 2 ft.
Saturday Night
SE wind around 12 kt. Partly cloudy. Seas around 2 ft.
Sunday
SSE wind 10 to 14 kt. Sunny. Seas 2 to 3 ft.
Sunday Night
SSE wind around 14 kt. Partly cloudy. Seas 2 to 3 ft.
Monday
SE wind 12 to 14 kt. Mostly sunny. Seas 2 to 3 ft.
Monday Night
SE wind 12 to 14 kt. Partly cloudy. Seas 2 to 3 ft.
Tuesday
SE wind 12 to 14 kt. Mostly sunny. Seas around 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 am CDT Jul 10, 2026
Forecast Valid: 8am CDT Jul 10, 2026-6pm CDT Jul 16, 2026
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