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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SSE wind 10 to 15 kt. Sunny. Seas around 2 ft.

      High: 88 °F

      SSE 15kt
      2ft

    • Tonight

      Tonight:S wind 16 to 20 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 85 °F

      S 20kt
      2-3ft

    • Thursday

      Thursday:SSE wind 19 to 21 kt. Sunny. Seas around 2 ft.

      High: 88 °F

      SSE 21kt
      2ft

    • Thursday Night

      Thursday Night:SSE wind 18 to 22 kt. Mostly clear. Seas around 4 ft.

      Low: 85 °F

      SSE 22kt
      4ft

    • Juneteenth

      Juneteenth:SE wind 17 to 19 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 87 °F

      SE 19kt
      2-3ft

    • Friday Night

      Friday Night:SE wind 15 to 17 kt. Mostly cloudy. Seas 3 to 4 ft.

      Low: 85 °F

      SE 17kt
      3-4ft

    • Saturday

      Saturday:SE wind around 16 kt. Partly sunny. Seas 2 to 3 ft.

      High: 86 °F

      SE 16kt
      2-3ft

    • Saturday Night

      Saturday Night:SSE wind 14 to 19 kt. Mostly cloudy. Seas 2 to 4 ft.

      Low: 85 °F

      SSE 19kt
      2-4ft

    • Sunday

      Sunday:SSE wind around 21 kt. Mostly sunny. Seas 3 to 4 ft.

      High: 87 °F

      SSE 21kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:46 pm CDT Jun 17, 2026
Forecast Valid: 2pm CDT Jun 17, 2026-6pm CDT Jun 23, 2026

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Detailed Forecast


This Afternoon
SSE wind 10 to 15 kt. Sunny. Seas around 2 ft.
Tonight
S wind 16 to 20 kt. Mostly clear. Seas 2 to 3 ft.
Thursday
SSE wind 19 to 21 kt. Sunny. Seas around 2 ft.
Thursday Night
SSE wind 18 to 22 kt. Mostly clear. Seas around 4 ft.
Juneteenth
SE wind 17 to 19 kt. Mostly sunny. Seas 2 to 3 ft.
Friday Night
SE wind 15 to 17 kt. Mostly cloudy. Seas 3 to 4 ft.
Saturday
SE wind around 16 kt. Partly sunny. Seas 2 to 3 ft.
Saturday Night
SSE wind 14 to 19 kt. Mostly cloudy. Seas 2 to 4 ft.
Sunday
SSE wind around 21 kt. Mostly sunny. Seas 3 to 4 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: 1:46 pm CDT Jun 17, 2026
Forecast Valid: 2pm CDT Jun 17, 2026-6pm CDT Jun 23, 2026
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