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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:ESE wind 5 to 7 kt. Mostly clear. Seas around 1 ft.

      Low: 69 °F

      ESE 7kt
      1ft

    • Wednesday

      Wednesday:E wind 5 to 10 kt. Sunny. Seas 1 to 2 ft.

      High: 77 °F

      E 10kt
      1-2ft

    • Wednesday Night

      Wednesday Night:E wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 1 ft.

      Low: 68 °F

      E 8kt⇓
      1ft

    • Christmas Day

      Christmas Day:Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. Sunny. Seas around 1 ft.

      High: 76 °F

      ⇑ESE 9kt
      1ft

    • Thursday Night

      Thursday Night:ESE wind 5 to 8 kt becoming S after midnight. Mostly clear. Seas around 1 ft.

      Low: 68 °F

      ESE 8kt
      1ft

    • Friday

      Friday:S wind 5 to 12 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 77 °F

      S 12kt
      1-2ft

    • Friday Night

      Friday Night:SSE wind 9 to 11 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 69 °F

      SSE 11kt
      1-2ft

    • Saturday

      Saturday:S wind 9 to 16 kt. Sunny. Seas 1 to 2 ft.

      High: 78 °F

      S 16kt
      1-2ft

    • Saturday Night

      Saturday Night:SSE wind 10 to 13 kt. Mostly clear. Seas around 2 ft.

      Low: 69 °F

      SSE 13kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:30 pm CST Dec 23, 2025
Forecast Valid: 8pm CST Dec 23, 2025-6pm CST Dec 30, 2025

View Nearby Observations

Detailed Forecast


Tonight
ESE wind 5 to 7 kt. Mostly clear. Seas around 1 ft.
Wednesday
E wind 5 to 10 kt. Sunny. Seas 1 to 2 ft.
Wednesday Night
E wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 1 ft.
Christmas Day
Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. Sunny. Seas around 1 ft.
Thursday Night
ESE wind 5 to 8 kt becoming S after midnight. Mostly clear. Seas around 1 ft.
Friday
S wind 5 to 12 kt. Mostly sunny. Seas 1 to 2 ft.
Friday Night
SSE wind 9 to 11 kt. Mostly clear. Seas 1 to 2 ft.
Saturday
S wind 9 to 16 kt. Sunny. Seas 1 to 2 ft.
Saturday Night
SSE wind 10 to 13 kt. Mostly clear. Seas around 2 ft.

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: 8:30 pm CST Dec 23, 2025
Forecast Valid: 8pm CST Dec 23, 2025-6pm CST Dec 30, 2025
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