For More Weather Information:

Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSE wind 13 to 17 kt. Sunny. Seas around 2 ft.

      High: 79 °F

      SSE 17kt
      2ft

    • Tonight

      Tonight:SSE wind 11 to 14 kt. Mostly clear. Seas around 2 ft.

      Low: 67 °F

      SSE 14kt
      2ft

    • Sunday

      Sunday:S wind 10 to 16 kt. Sunny. Seas around 2 ft.

      High: 79 °F

      S 16kt
      2ft

    • Sunday Night

      Sunday Night:SSE wind 9 to 14 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 68 °F

      SSE 14kt
      1-2ft

    • Monday

      Monday:SSE wind 7 to 13 kt. Sunny. Seas 1 to 2 ft.

      High: 78 °F

      SSE 13kt
      1-2ft

    • Monday Night

      Monday Night:ESE wind 5 to 12 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 68 °F

      ESE 12kt
      1-2ft

    • Tuesday

      Tuesday:SE wind 5 to 14 kt. Sunny. Seas 1 to 2 ft.

      High: 79 °F

      SE 14kt
      1-2ft

    • Tuesday Night

      Tuesday Night:SE wind 8 to 13 kt. Mostly clear. Seas 1 ft or less.

      Low: 69 °F

      SE 13kt
      < 1ft

    • Wednesday

      Wednesday:SSE wind 7 to 17 kt. Sunny. Seas 1 ft or less.

      High: 79 °F

      SSE 17kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:00 am CDT Mar 21, 2026
Forecast Valid: 11am CDT Mar 21, 2026-6pm CDT Mar 27, 2026

View Nearby Observations

Detailed Forecast


Today
SSE wind 13 to 17 kt. Sunny. Seas around 2 ft.
Tonight
SSE wind 11 to 14 kt. Mostly clear. Seas around 2 ft.
Sunday
S wind 10 to 16 kt. Sunny. Seas around 2 ft.
Sunday Night
SSE wind 9 to 14 kt. Mostly clear. Seas 1 to 2 ft.
Monday
SSE wind 7 to 13 kt. Sunny. Seas 1 to 2 ft.
Monday Night
ESE wind 5 to 12 kt. Mostly clear. Seas 1 to 2 ft.
Tuesday
SE wind 5 to 14 kt. Sunny. Seas 1 to 2 ft.
Tuesday Night
SE wind 8 to 13 kt. Mostly clear. Seas 1 ft or less.
Wednesday
SSE wind 7 to 17 kt. Sunny. Seas 1 ft or less.

*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: 26.15°N 97.29°W
Last Update: 11:00 am CDT Mar 21, 2026
Forecast Valid: 11am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data