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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:SE wind 11 to 13 kt. Sunny. Seas 1 to 2 ft.

      High: 86 °F

      SE 13kt
      1-2ft

    • Tonight

      Tonight:SE wind 11 to 13 kt. Mostly clear. Seas around 2 ft.

      Low: 82 °F

      SE 13kt
      2ft

    • Tuesday

      Tuesday:SSE wind 10 to 13 kt. Sunny. Seas 1 to 2 ft.

      High: 86 °F

      SSE 13kt
      1-2ft

    • Tuesday Night

      Tuesday Night:SSE wind around 13 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 82 °F

      SSE 13kt
      1-2ft

    • Wednesday

      Wednesday:SSE wind 10 to 15 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 86 °F

      SSE 15kt
      1-2ft

    • Wednesday Night

      Wednesday Night:SSE wind 13 to 15 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 81 °F

      SSE 15kt
      1-2ft

    • Thursday

      Thursday:SSE wind 12 to 16 kt. A slight chance of showers and thunderstorms before 1pm.   Seas 1 to 2 ft.

      High: 85 °F

      SSE 16kt
      1-2ft

    • Thursday Night

      Thursday Night:SSE wind around 15 kt. A slight chance of showers and thunderstorms after 1am.   Seas around 2 ft.

      Low: 81 °F

      SSE 15kt
      2ft

    • Friday

      Friday:SE wind around 16 kt. A slight chance of showers and thunderstorms.   Seas 2 to 3 ft.

      High: 85 °F

      SE 16kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:00 am CDT Jul 6, 2026
Forecast Valid: 11am CDT Jul 6, 2026-6pm CDT Jul 12, 2026

View Nearby Observations

Detailed Forecast


Today
SE wind 11 to 13 kt. Sunny. Seas 1 to 2 ft.
Tonight
SE wind 11 to 13 kt. Mostly clear. Seas around 2 ft.
Tuesday
SSE wind 10 to 13 kt. Sunny. Seas 1 to 2 ft.
Tuesday Night
SSE wind around 13 kt. Mostly clear. Seas 1 to 2 ft.
Wednesday
SSE wind 10 to 15 kt. Mostly sunny. Seas 1 to 2 ft.
Wednesday Night
SSE wind 13 to 15 kt. Partly cloudy. Seas 1 to 2 ft.
Thursday
SSE wind 12 to 16 kt. A slight chance of showers and thunderstorms before 1pm. Seas 1 to 2 ft.
Thursday Night
SSE wind around 15 kt. A slight chance of showers and thunderstorms after 1am. Seas around 2 ft.
Friday
SE wind around 16 kt. A slight 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: 11:00 am CDT Jul 6, 2026
Forecast Valid: 11am CDT Jul 6, 2026-6pm CDT Jul 12, 2026
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