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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SE wind around 16 kt. Mostly sunny. Seas 1 ft or less.

      High: 80 °F

      SE 16kt
      < 1ft

    • Tonight

      Tonight:SE wind 12 to 14 kt. Mostly cloudy. Seas 1 ft or less.

      Low: 74 °F

      SE 14kt
      < 1ft

    • Friday

      Friday:SSE wind 9 to 15 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

      High: 82 °F

      SSE 15kt
      < 1ft

    • Friday Night

      Friday Night:SSE wind 7 to 12 kt. Partly cloudy. Seas 1 ft or less.

      Low: 74 °F

      SSE 12kt
      < 1ft

    • Saturday

      Saturday:SE wind 5 to 13 kt. Mostly sunny. Seas 1 ft or less.

      High: 82 °F

      SE 13kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind 9 to 12 kt. Partly cloudy. Seas 1 ft or less.

      Low: 75 °F

      ESE 12kt
      < 1ft

    • Sunday

      Sunday:SE wind 9 to 15 kt. Mostly sunny. Seas 1 ft or less.

      High: 83 °F

      SE 15kt
      < 1ft

    • Sunday Night

      Sunday Night:SE wind 10 to 12 kt. Partly cloudy. Seas 1 ft or less.

      Low: 76 °F

      SE 12kt
      < 1ft

    • Monday

      Monday:SSE wind 10 to 17 kt. Mostly sunny. Seas 1 ft or less.

      High: 85 °F

      SSE 17kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:00 pm CDT Apr 23, 2026
Forecast Valid: 3pm CDT Apr 23, 2026-6pm CDT Apr 29, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SE wind around 16 kt. Mostly sunny. Seas 1 ft or less.
Tonight
SE wind 12 to 14 kt. Mostly cloudy. Seas 1 ft or less.
Friday
SSE wind 9 to 15 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.
Friday Night
SSE wind 7 to 12 kt. Partly cloudy. Seas 1 ft or less.
Saturday
SE wind 5 to 13 kt. Mostly sunny. Seas 1 ft or less.
Saturday Night
ESE wind 9 to 12 kt. Partly cloudy. Seas 1 ft or less.
Sunday
SE wind 9 to 15 kt. Mostly sunny. Seas 1 ft or less.
Sunday Night
SE wind 10 to 12 kt. Partly cloudy. Seas 1 ft or less.
Monday
SSE wind 10 to 17 kt. Mostly sunny. Seas 1 ft or less.

*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: 3:00 pm CDT Apr 23, 2026
Forecast Valid: 3pm CDT Apr 23, 2026-6pm CDT Apr 29, 2026
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