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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:ESE wind 5 to 12 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.

      High: 82 °F

      ESE 12kt
      < 1ft

    • Friday Night

      Friday Night:SE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      Low: 74 °F

      SE 9kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming ENE 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

      High: 82 °F

      ⇑ENE 10kt
      < 1ft

    • Saturday Night

      Saturday Night:ENE wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      Low: 74 °F

      ENE 9kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming ENE 5 to 10 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      High: 83 °F

      ⇑ENE 10kt
      < 1ft

    • Sunday Night

      Sunday Night:ENE wind 5 to 9 kt becoming SE after midnight. Partly cloudy. Seas 1 ft or less.

      Low: 75 °F

      ENE 9kt
      < 1ft

    • Monday

      Monday:SSE wind 6 to 14 kt. Mostly sunny. Seas 1 ft or less.

      High: 83 °F

      SSE 14kt
      < 1ft

    • Monday Night

      Monday Night:SSE wind 10 to 13 kt. Partly cloudy. Seas 1 ft or less.

      Low: 74 °F

      SSE 13kt
      < 1ft

    • Tuesday

      Tuesday:S wind 7 to 11 kt. A slight chance of showers and thunderstorms after 1pm.   Seas 1 ft or less.

      High: 85 °F

      S 11kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:15 am CDT Oct 30, 2026
Forecast Valid: 2am CDT Oct 30, 2026-6pm CST Nov 5, 2026

View Nearby Observations

Detailed Forecast


Friday
ESE wind 5 to 12 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.
Friday Night
SE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming ENE 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.
Saturday Night
ENE wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming ENE 5 to 10 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Sunday Night
ENE wind 5 to 9 kt becoming SE after midnight. Partly cloudy. Seas 1 ft or less.
Monday
SSE wind 6 to 14 kt. Mostly sunny. Seas 1 ft or less.
Monday Night
SSE wind 10 to 13 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
S wind 7 to 11 kt. A slight chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Winds and waves higher in and near thunderstorms.

*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: 2:15 am CDT Oct 30, 2026
Forecast Valid: 2am CDT Oct 30, 2026-6pm CST Nov 5, 2026
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