For More Weather Information:

Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:ESE wind 5 to 14 kt. A slight chance of showers between 8am and 11am.   Seas 1 ft or less.

      High: 76 °F

      ESE 14kt
      < 1ft

    • Sunday Night

      Sunday Night:SE wind 9 to 13 kt. Partly cloudy. Seas 1 ft or less.

      Low: 69 °F

      SE 13kt
      < 1ft

    • Monday

      Monday:SSE wind 9 to 17 kt. Sunny. Seas 1 ft or less.

      High: 78 °F

      SSE 17kt
      < 1ft

    • Monday Night

      Monday Night:SSE wind 11 to 15 kt. Partly cloudy. Seas 1 ft or less.

      Low: 71 °F

      SSE 15kt
      < 1ft

    • Tuesday

      Tuesday:SSE wind 11 to 17 kt. A slight chance of showers.   Seas 1 ft or less.

      High: 79 °F

      SSE 17kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SE wind 11 to 15 kt. Partly cloudy. Seas 1 ft or less.

      Low: 71 °F

      SE 15kt
      < 1ft

    • Wednesday

      Wednesday:SSE wind 10 to 17 kt. Sunny. Seas 1 ft or less.

      High: 80 °F

      SSE 17kt
      < 1ft

    • Wednesday Night

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

      Low: 72 °F

      SE 15kt
      < 1ft

    • Thursday

      Thursday:SSE wind 13 to 20 kt. Mostly sunny. Seas 1 ft or less.

      High: 80 °F

      SSE 20kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:18 am CDT Mar 29, 2026
Forecast Valid: 3am CDT Mar 29, 2026-6pm CDT Apr 4, 2026

View Nearby Observations

Detailed Forecast


Sunday
ESE wind 5 to 14 kt. A slight chance of showers between 8am and 11am. Seas 1 ft or less.
Sunday Night
SE wind 9 to 13 kt. Partly cloudy. Seas 1 ft or less.
Monday
SSE wind 9 to 17 kt. Sunny. Seas 1 ft or less.
Monday Night
SSE wind 11 to 15 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
SSE wind 11 to 17 kt. A slight chance of showers. Seas 1 ft or less.
Tuesday Night
SE wind 11 to 15 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
SSE wind 10 to 17 kt. Sunny. Seas 1 ft or less.
Wednesday Night
SE wind 12 to 15 kt. Partly cloudy. Seas 1 ft or less.
Thursday
SSE wind 13 to 20 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: 3:18 am CDT Mar 29, 2026
Forecast Valid: 3am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data