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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:ESE wind 9 to 15 kt. Sunny. Seas 1 ft or less.

      High: 88 °F

      ESE 15kt
      < 1ft

    • Tonight

      Tonight:ESE wind 6 to 13 kt. Mostly clear. Seas 1 ft or less.

      Low: 81 °F

      ESE 13kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming E 8 to 13 kt in the morning. Sunny. Seas 1 ft or less.

      High: 88 °F

      ⇑E 13kt
      < 1ft

    • Sunday Night

      Sunday Night:ESE wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      Low: 80 °F

      ESE 11kt⇓
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming ESE 8 to 13 kt in the morning. Sunny. Seas 1 ft or less.

      High: 88 °F

      ⇑ESE 13kt
      < 1ft

    • Monday Night

      Monday Night:SE wind 6 to 12 kt. Mostly clear. Seas 1 ft or less.

      Low: 81 °F

      SE 12kt
      < 1ft

    • Tuesday

      Tuesday:SSE wind 6 to 15 kt. Sunny. Seas 1 ft or less.

      High: 89 °F

      SSE 15kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSE wind 9 to 13 kt. Mostly clear. Seas 1 ft or less.

      Low: 80 °F

      SSE 13kt
      < 1ft

    • Wednesday

      Wednesday:SE wind 7 to 16 kt. Sunny. Seas 1 ft or less.

      High: 91 °F

      SE 16kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:18 am CDT Aug 15, 2026
Forecast Valid: 7am CDT Aug 15, 2026-6pm CDT Aug 21, 2026

View Nearby Observations

Detailed Forecast


Today
ESE wind 9 to 15 kt. Sunny. Seas 1 ft or less.
Tonight
ESE wind 6 to 13 kt. Mostly clear. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming E 8 to 13 kt in the morning. Sunny. Seas 1 ft or less.
Sunday Night
ESE wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming ESE 8 to 13 kt in the morning. Sunny. Seas 1 ft or less.
Monday Night
SE wind 6 to 12 kt. Mostly clear. Seas 1 ft or less.
Tuesday
SSE wind 6 to 15 kt. Sunny. Seas 1 ft or less.
Tuesday Night
SSE wind 9 to 13 kt. Mostly clear. Seas 1 ft or less.
Wednesday
SE wind 7 to 16 kt. 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: 7:18 am CDT Aug 15, 2026
Forecast Valid: 7am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
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