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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. Clear. Seas around 2 ft.

      Low: 55 °F

      Light Wind
      2ft

    • Friday

      Friday:SW wind 5 to 8 kt becoming SE in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 68 °F

      SE 8kt
      1-2ft

    • Friday Night

      Friday Night:SSE wind 5 to 8 kt becoming SW after midnight. Mostly clear. Seas around 1 ft.

      Low: 59 °F

      SSE 8kt
      1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming ESE 5 to 8 kt in the afternoon. Sunny. Seas around 1 ft.

      High: 68 °F

      ⇑ESE 8kt
      1ft

    • Saturday Night

      Saturday Night:SE wind 6 to 8 kt. Partly cloudy. Seas around 1 ft.

      Low: 63 °F

      SE 8kt
      1ft

    • Sunday

      Sunday:SSE wind 6 to 11 kt. Mostly sunny. Seas around 1 ft.

      High: 70 °F

      SSE 11kt
      1ft

    • Sunday Night

      Sunday Night:SSE wind 7 to 10 kt. Partly cloudy. Seas around 1 ft.

      Low: 65 °F

      SSE 10kt
      1ft

    • Monday

      Monday:SSE wind 7 to 14 kt. Partly sunny. Seas around 1 ft.

      High: 71 °F

      SSE 14kt
      1ft

    • Monday Night

      Monday Night:SSE wind 10 to 12 kt. Mostly cloudy. Seas 1 to 2 ft.

      Low: 65 °F

      SSE 12kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:45 am CST Feb 6, 2026
Forecast Valid: 12am CST Feb 6, 2026-6pm CST Feb 12, 2026

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Clear. Seas around 2 ft.
Friday
SW wind 5 to 8 kt becoming SE in the afternoon. Sunny. Seas 1 to 2 ft.
Friday Night
SSE wind 5 to 8 kt becoming SW after midnight. Mostly clear. Seas around 1 ft.
Saturday
Variable winds less than 5 kt becoming ESE 5 to 8 kt in the afternoon. Sunny. Seas around 1 ft.
Saturday Night
SE wind 6 to 8 kt. Partly cloudy. Seas around 1 ft.
Sunday
SSE wind 6 to 11 kt. Mostly sunny. Seas around 1 ft.
Sunday Night
SSE wind 7 to 10 kt. Partly cloudy. Seas around 1 ft.
Monday
SSE wind 7 to 14 kt. Partly sunny. Seas around 1 ft.
Monday Night
SSE wind 10 to 12 kt. Mostly cloudy. Seas 1 to 2 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: 26.11°N 97.16°W
Last Update: 12:45 am CST Feb 6, 2026
Forecast Valid: 12am CST Feb 6, 2026-6pm CST Feb 12, 2026
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