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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:NW wind 5 to 8 kt becoming E in the afternoon. Partly sunny. Seas 1 ft or less.

      High: 72 °F

      ENE 8kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Seas 1 ft or less.

      Low: 68 °F

      E 7kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming NE 5 to 9 kt in the morning. Mostly sunny. Seas 1 ft or less.

      High: 78 °F

      ⇑NE 9kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind 9 to 19 kt. Partly cloudy. Seas 1 ft or less.

      Low: 55 °F

      N 19kt
      < 1ft

    • Monday

      Monday:N wind 12 to 18 kt. Mostly sunny. Seas 1 ft or less.

      High: 66 °F

      N 18kt
      < 1ft

    • Monday Night

      Monday Night:NE wind 5 to 11 kt. Partly cloudy. Seas 1 ft or less.

      Low: 54 °F

      NE 11kt
      < 1ft

    • Tuesday

      Tuesday:NE wind 5 to 9 kt becoming SE in the afternoon. Sunny. Seas 1 ft or less.

      High: 71 °F

      E 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SE wind around 8 kt becoming S after midnight. Mostly clear. Seas 1 ft or less.

      Low: 63 °F

      SE 8kt
      < 1ft

    • Wednesday

      Wednesday:S wind 8 to 13 kt. Sunny. Seas 1 ft or less.

      High: 77 °F

      S 13kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:18 am CST Dec 6, 2025
Forecast Valid: 3am CST Dec 6, 2025-6pm CST Dec 12, 2025

View Nearby Observations

Detailed Forecast


Saturday
NW wind 5 to 8 kt becoming E in the afternoon. Partly sunny. Seas 1 ft or less.
Saturday Night
E wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming NE 5 to 9 kt in the morning. Mostly sunny. Seas 1 ft or less.
Sunday Night
N wind 9 to 19 kt. Partly cloudy. Seas 1 ft or less.
Monday
N wind 12 to 18 kt. Mostly sunny. Seas 1 ft or less.
Monday Night
NE wind 5 to 11 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
NE wind 5 to 9 kt becoming SE in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
SE wind around 8 kt becoming S after midnight. Mostly clear. Seas 1 ft or less.
Wednesday
S wind 8 to 13 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: 3:18 am CST Dec 6, 2025
Forecast Valid: 3am CST Dec 6, 2025-6pm CST Dec 12, 2025
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