For More Weather Information:

Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:SE wind 12 to 16 kt. Sunny. Seas 1 ft or less.

      High: 87 °F

      SE 16kt
      < 1ft

    • Tonight

      Tonight:SE wind 12 to 15 kt. Partly cloudy. Seas 1 ft or less.

      Low: 81 °F

      SE 15kt
      < 1ft

    • Thursday

      Thursday:SE wind 11 to 17 kt. Sunny. Seas 1 ft or less.

      High: 87 °F

      SE 17kt
      < 1ft

    • Thursday Night

      Thursday Night:SSE wind 14 to 16 kt. Mostly clear. Seas 1 ft or less.

      Low: 82 °F

      SSE 16kt
      < 1ft

    • Friday

      Friday:SSE wind 14 to 18 kt. Sunny. Seas 1 ft or less.

      High: 87 °F

      SSE 18kt
      < 1ft

    • Friday Night

      Friday Night:SSE wind 14 to 17 kt. Clear. Seas 1 ft or less.

      Low: 81 °F

      SSE 17kt
      < 1ft

    • Saturday

      Saturday:SSE wind 15 to 18 kt. Sunny. Seas 1 ft or less.

      High: 88 °F

      SSE 18kt
      < 1ft

    • Saturday Night

      Saturday Night:SSE wind 15 to 17 kt. Mostly clear. Seas 1 ft or less.

      Low: 82 °F

      SSE 17kt
      < 1ft

    • Sunday

      Sunday:SSE wind 16 to 19 kt. Mostly sunny. Seas 1 ft or less.

      High: 87 °F

      SSE 19kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:00 am CDT Jun 24, 2026
Forecast Valid: 9am CDT Jun 24, 2026-6pm CDT Jun 30, 2026

View Nearby Observations

Detailed Forecast


Today
SE wind 12 to 16 kt. Sunny. Seas 1 ft or less.
Tonight
SE wind 12 to 15 kt. Partly cloudy. Seas 1 ft or less.
Thursday
SE wind 11 to 17 kt. Sunny. Seas 1 ft or less.
Thursday Night
SSE wind 14 to 16 kt. Mostly clear. Seas 1 ft or less.
Friday
SSE wind 14 to 18 kt. Sunny. Seas 1 ft or less.
Friday Night
SSE wind 14 to 17 kt. Clear. Seas 1 ft or less.
Saturday
SSE wind 15 to 18 kt. Sunny. Seas 1 ft or less.
Saturday Night
SSE wind 15 to 17 kt. Mostly clear. Seas 1 ft or less.
Sunday
SSE wind 16 to 19 kt. Mostly 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: 9:00 am CDT Jun 24, 2026
Forecast Valid: 9am CDT Jun 24, 2026-6pm CDT Jun 30, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data