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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:SSE wind 16 to 18 kt. Mostly cloudy, then gradually becoming sunny.

      High: 82 °F

      SSE 18kt

    • Saturday Night

      Saturday Night:SE wind 16 to 18 kt. Mostly cloudy.

      Low: 81 °F

      SE 18kt

    • Sunday

      Sunday:SSE wind 17 to 21 kt. Partly sunny.

      High: 83 °F

      SSE 21kt

    • Sunday Night

      Sunday Night:SE wind around 19 kt. Mostly cloudy.

      Low: 81 °F

      SE 19kt

    • Monday

      Monday:SE wind 17 to 20 kt. Mostly sunny.

      High: 84 °F

      SE 20kt

    • Monday Night

      Monday Night:SE wind 17 to 20 kt. Mostly cloudy.

      Low: 81 °F

      SE 20kt

    • Tuesday

      Tuesday:SE wind 15 to 18 kt. Mostly cloudy.

      High: 83 °F

      SE 18kt

    • Tuesday Night

      Tuesday Night:SE wind around 16 kt. A chance of showers and thunderstorms, mainly after 1am.

      Low: 81 °F

      SE 16kt

    • Wednesday

      Wednesday:SE wind around 15 kt. Partly sunny.

      High: 83 °F

      SE 15kt


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:21 am CDT May 16, 2026
Forecast Valid: 3am CDT May 16, 2026-6pm CDT May 22, 2026

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Detailed Forecast


Saturday
SSE wind 16 to 18 kt. Mostly cloudy, then gradually becoming sunny.
Saturday Night
SE wind 16 to 18 kt. Mostly cloudy.
Sunday
SSE wind 17 to 21 kt. Partly sunny.
Sunday Night
SE wind around 19 kt. Mostly cloudy.
Monday
SE wind 17 to 20 kt. Mostly sunny.
Monday Night
SE wind 17 to 20 kt. Mostly cloudy.
Tuesday
SE wind 15 to 18 kt. Mostly cloudy.
Tuesday Night
SE wind around 16 kt. A chance of showers and thunderstorms, mainly after 1am.
Wednesday
SE wind around 15 kt. Partly sunny.

*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: 3:21 am CDT May 16, 2026
Forecast Valid: 3am CDT May 16, 2026-6pm CDT May 22, 2026
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