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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:SE wind 15 to 20 kt. Mostly sunny. Seas around 2 ft.

      High: 80 °F

      SE 20kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday Night

      Friday Night:SE wind 15 to 19 kt. A slight chance of showers before 9pm, then a slight chance of showers after 10pm.   Seas around 2 ft.

      Low: 73 °F

      SE 19kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:SSE wind 12 to 14 kt. Partly sunny. Seas around 2 ft.

      High: 81 °F

      SSE 14kt
      2ft

    • Saturday Night

      Saturday Night:ESE wind 6 to 12 kt. A chance of showers, then showers and possibly a thunderstorm after 1am.   Seas 1 to 2 ft.

      Low: 70 °F

      ESE 12kt
      1-2ft

    • Sunday

      Sunday:NNE wind 8 to 16 kt. Showers and possibly a thunderstorm.   Seas 1 to 2 ft.

      High: 74 °F

      NNE 16kt
      1-2ft

    • Sunday Night

      Sunday Night:NNE wind 12 to 16 kt. Showers and possibly a thunderstorm.   Seas around 2 ft.

      Low: 65 °F

      NNE 16kt
      2ft

    • Monday

      Monday:NNE wind 14 to 17 kt. Showers likely and possibly a thunderstorm.   Seas around 2 ft.

      High: 70 °F

      NNE 17kt
      2ft

    • Monday Night

      Monday Night:NNE wind 7 to 15 kt. A chance of showers.   Seas 1 to 2 ft.

      Low: 64 °F

      NNE 15kt
      1-2ft

    • Tuesday

      Tuesday:NNE wind 8 to 14 kt. A chance of showers.   Seas 1 to 2 ft.

      High: 71 °F

      NNE 14kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:45 am CDT Apr 3, 2026
Forecast Valid: 4am CDT Apr 3, 2026-6pm CDT Apr 9, 2026

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Detailed Forecast


Friday
SE wind 15 to 20 kt. Mostly sunny. Seas around 2 ft.
Friday Night
SE wind 15 to 19 kt. A slight chance of showers before 9pm, then a slight chance of showers after 10pm. Seas around 2 ft.
Saturday
SSE wind 12 to 14 kt. Partly sunny. Seas around 2 ft.
Saturday Night
ESE wind 6 to 12 kt. A chance of showers, then showers and possibly a thunderstorm after 1am. Seas 1 to 2 ft.
Sunday
NNE wind 8 to 16 kt. Showers and possibly a thunderstorm. Seas 1 to 2 ft.
Sunday Night
NNE wind 12 to 16 kt. Showers and possibly a thunderstorm. Seas around 2 ft.
Monday
NNE wind 14 to 17 kt. Showers likely and possibly a thunderstorm. Seas around 2 ft.
Monday Night
NNE wind 7 to 15 kt. A chance of showers. Seas 1 to 2 ft.
Tuesday
NNE wind 8 to 14 kt. A chance of showers. Seas 1 to 2 ft.

*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: 26.15°N 97.29°W
Last Update: 4:45 am CDT Apr 3, 2026
Forecast Valid: 4am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
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