For More Weather Information:

Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SE wind around 17 kt. Partly sunny. Seas around 2 ft.

      High: 76 °F

      SE 17kt
      2ft

    • Tonight

      Tonight:SSE wind around 16 kt. Mostly cloudy. Seas 2 to 3 ft.

      Low: 72 °F

      SSE 16kt
      2-3ft

    • Saturday

      Saturday:SSE wind 14 to 16 kt. Partly sunny. Seas around 2 ft.

      High: 76 °F

      SSE 16kt
      2ft

    • Saturday Night

      Saturday Night:SE wind 8 to 13 kt. A chance of showers and thunderstorms after midnight.   Seas 2 to 3 ft.

      Low: 72 °F

      SE 13kt
      2-3ft

    • Sunday

      Sunday:ESE wind 7 to 11 kt. A chance of showers.   Seas around 2 ft.

      High: 76 °F

      ESE 11kt
      2ft

    • Sunday Night

      Sunday Night:ESE wind 8 to 10 kt. Increasing clouds. Seas 2 to 3 ft.

      Low: 72 °F

      ESE 10kt
      2-3ft

    • Monday

      Monday:SSE wind 8 to 16 kt. Mostly cloudy. Seas around 2 ft.

      High: 76 °F

      SSE 16kt
      2ft

    • Monday Night

      Monday Night:SSE wind around 16 kt. Mostly cloudy. Seas 2 to 4 ft.

      Low: 73 °F

      SSE 16kt
      2-4ft

    • Tuesday

      Tuesday:SSE wind 16 to 19 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 2 to 4 ft.

      High: 76 °F

      SSE 19kt
      2-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:18 pm CST Mar 6, 2026
Forecast Valid: 3pm CST Mar 6, 2026-6pm CDT Mar 12, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SE wind around 17 kt. Partly sunny. Seas around 2 ft.
Tonight
SSE wind around 16 kt. Mostly cloudy. Seas 2 to 3 ft.
Saturday
SSE wind 14 to 16 kt. Partly sunny. Seas around 2 ft.
Saturday Night
SE wind 8 to 13 kt. A chance of showers and thunderstorms after midnight. Seas 2 to 3 ft.
Sunday
ESE wind 7 to 11 kt. A chance of showers. Seas around 2 ft.
Sunday Night
ESE wind 8 to 10 kt. Increasing clouds. Seas 2 to 3 ft.
Monday
SSE wind 8 to 16 kt. Mostly cloudy. Seas around 2 ft.
Monday Night
SSE wind around 16 kt. Mostly cloudy. Seas 2 to 4 ft.
Tuesday
SSE wind 16 to 19 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 2 to 4 ft.

Winds and seas 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 26.11°N 97.16°W
Last Update: 3:18 pm CST Mar 6, 2026
Forecast Valid: 3pm CST Mar 6, 2026-6pm CDT Mar 12, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data