For More Weather Information:

Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:SSE wind 18 to 21 kt. Sunny. Seas 2 to 4 ft.

      High: 86 °F

      SSE 21kt
      2-4ft

    • Monday Night

      Monday Night:SSE wind 16 to 18 kt. Partly cloudy. Seas around 3 ft.

      Low: 83 °F

      SSE 18kt
      3ft

    • Tuesday

      Tuesday:SE wind 15 to 17 kt. Sunny. Seas 2 to 3 ft.

      High: 86 °F

      SE 17kt
      2-3ft

    • Tuesday Night

      Tuesday Night:SE wind 13 to 15 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 82 °F

      SE 15kt
      2-3ft

    • Wednesday

      Wednesday:SSE wind 13 to 15 kt. Sunny. Seas 2 to 3 ft.

      High: 85 °F

      SSE 15kt
      2-3ft

    • Wednesday Night

      Wednesday Night:SE wind 14 to 16 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 82 °F

      SE 16kt
      2-3ft

    • Thursday

      Thursday:SSE wind 14 to 17 kt. Sunny. Seas 2 to 3 ft.

      High: 85 °F

      SSE 17kt
      2-3ft

    • Thursday Night

      Thursday Night:SSE wind 15 to 17 kt. Mostly clear. Seas 2 to 3 ft.

      Low: 83 °F

      SSE 17kt
      2-3ft

    • Friday

      Friday:SSE wind 15 to 18 kt. Sunny. Seas 2 to 3 ft.

      High: 86 °F

      SSE 18kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:30 am CDT Jun 22, 2026
Forecast Valid: 4am CDT Jun 22, 2026-6pm CDT Jun 28, 2026

View Nearby Observations

Detailed Forecast


Monday
SSE wind 18 to 21 kt. Sunny. Seas 2 to 4 ft.
Monday Night
SSE wind 16 to 18 kt. Partly cloudy. Seas around 3 ft.
Tuesday
SE wind 15 to 17 kt. Sunny. Seas 2 to 3 ft.
Tuesday Night
SE wind 13 to 15 kt. Mostly clear. Seas 2 to 3 ft.
Wednesday
SSE wind 13 to 15 kt. Sunny. Seas 2 to 3 ft.
Wednesday Night
SE wind 14 to 16 kt. Mostly clear. Seas 2 to 3 ft.
Thursday
SSE wind 14 to 17 kt. Sunny. Seas 2 to 3 ft.
Thursday Night
SSE wind 15 to 17 kt. Mostly clear. Seas 2 to 3 ft.
Friday
SSE wind 15 to 18 kt. Sunny. Seas 2 to 3 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 26.11°N 97.16°W
Last Update: 4:30 am CDT Jun 22, 2026
Forecast Valid: 4am CDT Jun 22, 2026-6pm CDT Jun 28, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data