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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:SSE wind 15 to 18 kt. A chance of showers and thunderstorms, mainly before 1pm.   Seas around 2 ft.

      High: 85 °F

      SSE 18kt
      2ft

    • Sunday Night

      Sunday Night:SE wind 13 to 17 kt. A chance of showers and thunderstorms, mainly after 5am.   Seas around 2 ft.

      Low: 83 °F

      SE 17kt
      2ft

    • Monday

      Monday:SE wind 15 to 17 kt. A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and 10am.   Seas around 2 ft.

      High: 84 °F

      SE 17kt
      2ft

    • Monday Night

      Monday Night:ESE wind 14 to 17 kt. Mostly cloudy. Seas around 2 ft.

      Low: 83 °F

      ESE 17kt
      2ft

    • Tuesday

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

      High: 84 °F

      SE 14kt
      2ft

    • Tuesday Night

      Tuesday Night:ESE wind around 15 kt. Partly cloudy. Seas around 2 ft.

      Low: 83 °F

      ESE 15kt
      2ft

    • Wednesday

      Wednesday:SE wind 14 to 16 kt. Sunny. Seas 2 to 3 ft.

      High: 85 °F

      SE 16kt
      2-3ft

    • Wednesday Night

      Wednesday Night:ESE wind 15 to 17 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 84 °F

      ESE 17kt
      2-3ft

    • Thursday

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

      High: 85 °F

      SE 15kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:45 am CDT Jun 7, 2026
Forecast Valid: 4am CDT Jun 7, 2026-6pm CDT Jun 13, 2026

View Nearby Observations

Detailed Forecast


Sunday
SSE wind 15 to 18 kt. A chance of showers and thunderstorms, mainly before 1pm. Seas around 2 ft.
Sunday Night
SE wind 13 to 17 kt. A chance of showers and thunderstorms, mainly after 5am. Seas around 2 ft.
Monday
SE wind 15 to 17 kt. A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and 10am. Seas around 2 ft.
Monday Night
ESE wind 14 to 17 kt. Mostly cloudy. Seas around 2 ft.
Tuesday
SE wind around 14 kt. Mostly sunny. Seas around 2 ft.
Tuesday Night
ESE wind around 15 kt. Partly cloudy. Seas around 2 ft.
Wednesday
SE wind 14 to 16 kt. Sunny. Seas 2 to 3 ft.
Wednesday Night
ESE wind 15 to 17 kt. Mostly clear. Seas 2 to 3 ft.
Thursday
SE wind around 15 kt. Sunny. 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: 4:45 am CDT Jun 7, 2026
Forecast Valid: 4am CDT Jun 7, 2026-6pm CDT Jun 13, 2026
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