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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:ESE wind 5 to 9 kt becoming ENE after midnight. Partly cloudy. Seas 1 to 2 ft.

      Low: 70 °F

      ESE 9kt
      1-2ft

    • Saturday

      Saturday:N wind 6 to 15 kt. A chance of showers before 1pm, then a slight chance of showers after 3pm.   Seas around 2 ft.

      High: 74 °F

      N 15kt
      2ft

    • Saturday Night

      Saturday Night:NE wind 8 to 14 kt becoming E after midnight. A slight chance of showers.   Seas around 2 ft.

      Low: 70 °F

      NE 14kt
      2ft

    • Sunday

      Sunday:ESE wind 6 to 13 kt. A slight chance of showers.   Seas around 2 ft.

      High: 75 °F

      ESE 13kt
      2ft

    • Sunday Night

      Sunday Night:ESE wind around 12 kt. Partly cloudy. Seas around 2 ft.

      Low: 71 °F

      ESE 12kt
      2ft

    • Monday

      Monday:SE wind 10 to 16 kt. Sunny. Seas 2 to 3 ft.

      High: 76 °F

      SE 16kt
      2-3ft

    • Monday Night

      Monday Night:SE wind 13 to 15 kt. Partly cloudy. Seas around 2 ft.

      Low: 74 °F

      SE 15kt
      2ft

    • Tuesday

      Tuesday:SSE wind 13 to 19 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 76 °F

      SSE 19kt
      2-3ft

    • Tuesday Night

      Tuesday Night:SE wind around 15 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 74 °F

      SE 15kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:30 pm CDT Mar 27, 2026
Forecast Valid: 11pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026

View Nearby Observations

Detailed Forecast


Overnight
ESE wind 5 to 9 kt becoming ENE after midnight. Partly cloudy. Seas 1 to 2 ft.
Saturday
N wind 6 to 15 kt. A chance of showers before 1pm, then a slight chance of showers after 3pm. Seas around 2 ft.
Saturday Night
NE wind 8 to 14 kt becoming E after midnight. A slight chance of showers. Seas around 2 ft.
Sunday
ESE wind 6 to 13 kt. A slight chance of showers. Seas around 2 ft.
Sunday Night
ESE wind around 12 kt. Partly cloudy. Seas around 2 ft.
Monday
SE wind 10 to 16 kt. Sunny. Seas 2 to 3 ft.
Monday Night
SE wind 13 to 15 kt. Partly cloudy. Seas around 2 ft.
Tuesday
SSE wind 13 to 19 kt. Mostly sunny. Seas 2 to 3 ft.
Tuesday Night
SE wind around 15 kt. Partly cloudy. Seas 2 to 3 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: 26.11°N 97.16°W
Last Update: 11:30 pm CDT Mar 27, 2026
Forecast Valid: 11pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026
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