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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:SSE wind 5 to 12 kt. Mostly sunny. Seas around 1 ft.

      High: 71 °F

      SSE 12kt
      1ft

    • Monday Night

      Monday Night:SSE wind 11 to 13 kt. Mostly cloudy. Seas 1 to 2 ft.

      Low: 66 °F

      SSE 13kt
      1-2ft

    • Tuesday

      Tuesday:SSE wind 12 to 17 kt. Partly sunny. Seas around 2 ft.

      High: 71 °F

      SSE 17kt
      2ft

    • Tuesday Night

      Tuesday Night:SSE wind 6 to 14 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 66 °F

      SSE 14kt
      1-2ft

    • Wednesday

      Wednesday:SE wind 5 to 9 kt. Sunny. Seas 1 to 2 ft.

      High: 71 °F

      SE 9kt
      1-2ft

    • Wednesday Night

      Wednesday Night:SE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 to 2 ft.

      Low: 66 °F

      SE 9kt⇓
      1-2ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming SE 5 to 10 kt in the morning. Sunny. Seas 1 to 2 ft.

      High: 72 °F

      ⇑SE 10kt
      1-2ft

    • Thursday Night

      Thursday Night:SE wind around 10 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 66 °F

      SE 10kt
      1-2ft

    • Friday

      Friday:SSE wind 9 to 16 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 72 °F

      SSE 16kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:30 am CST Feb 9, 2026
Forecast Valid: 3am CST Feb 9, 2026-6pm CST Feb 15, 2026

View Nearby Observations

Detailed Forecast


Monday
SSE wind 5 to 12 kt. Mostly sunny. Seas around 1 ft.
Monday Night
SSE wind 11 to 13 kt. Mostly cloudy. Seas 1 to 2 ft.
Tuesday
SSE wind 12 to 17 kt. Partly sunny. Seas around 2 ft.
Tuesday Night
SSE wind 6 to 14 kt. Partly cloudy. Seas 1 to 2 ft.
Wednesday
SE wind 5 to 9 kt. Sunny. Seas 1 to 2 ft.
Wednesday Night
SE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 to 2 ft.
Thursday
Variable winds less than 5 kt becoming SE 5 to 10 kt in the morning. Sunny. Seas 1 to 2 ft.
Thursday Night
SE wind around 10 kt. Partly cloudy. Seas 1 to 2 ft.
Friday
SSE wind 9 to 16 kt. Mostly sunny. 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: 3:30 am CST Feb 9, 2026
Forecast Valid: 3am CST Feb 9, 2026-6pm CST Feb 15, 2026
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