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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:SSE wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.

      Low: 67 °F

      SSE 10kt
      < 1ft

    • Monday

      Monday:SSE wind 5 to 12 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

      High: 78 °F

      E 12kt
      < 1ft

    • Monday Night

      Monday Night:ESE wind 5 to 11 kt. Mostly clear. Seas 1 ft or less.

      Low: 68 °F

      ESE 11kt
      < 1ft

    • Tuesday

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

      High: 78 °F

      ⇑SE 13kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SE wind 8 to 12 kt. Mostly clear. Seas 1 ft or less.

      Low: 69 °F

      SE 12kt
      < 1ft

    • Wednesday

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

      High: 79 °F

      SSE 16kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SE wind 9 to 14 kt. Mostly clear. Seas around 3 ft.

      Low: 69 °F

      SE 14kt
      3ft

    • Thursday

      Thursday:SSE wind 8 to 17 kt. Sunny. Seas 3 to 4 ft.

      High: 79 °F

      SSE 17kt
      3-4ft

    • Thursday Night

      Thursday Night:SSE wind 11 to 16 kt. Mostly clear. Seas around 4 ft.

      Low: 69 °F

      SSE 16kt
      4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:45 pm CDT Mar 22, 2026
Forecast Valid: 11pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026

View Nearby Observations

Detailed Forecast


Overnight
SSE wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.
Monday
SSE wind 5 to 12 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
ESE wind 5 to 11 kt. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SE 8 to 13 kt in the morning. Sunny. Seas 1 ft or less.
Tuesday Night
SE wind 8 to 12 kt. Mostly clear. Seas 1 ft or less.
Wednesday
SSE wind 7 to 16 kt. Sunny. Seas 1 ft or less.
Wednesday Night
SE wind 9 to 14 kt. Mostly clear. Seas around 3 ft.
Thursday
SSE wind 8 to 17 kt. Sunny. Seas 3 to 4 ft.
Thursday Night
SSE wind 11 to 16 kt. Mostly clear. Seas around 4 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: 11:45 pm CDT Mar 22, 2026
Forecast Valid: 11pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
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