For More Weather Information:

Brownsville, TX Local Forecast Office

3NM E Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

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

      High: 88 °F

      SSE 17kt
      2ft

    • Tonight

      Tonight:SE wind around 14 kt. Mostly clear. Seas around 2 ft.

      Low: 82 °F

      SE 14kt
      2ft

    • Wednesday

      Wednesday:SE wind 14 to 18 kt. Mostly sunny. Seas around 2 ft.

      High: 87 °F

      SE 18kt
      2ft

    • Wednesday Night

      Wednesday Night:SE wind 14 to 16 kt. Mostly cloudy during the early evening, then becoming mostly clear. Seas around 2 ft.

      Low: 80 °F

      SE 16kt
      2ft

    • Thursday

      Thursday:ESE wind 11 to 13 kt. Sunny. Seas around 2 ft.

      High: 86 °F

      ESE 13kt
      2ft

    • Thursday Night

      Thursday Night:E wind 6 to 10 kt. Mostly clear. Seas around 2 ft.

      Low: 79 °F

      E 10kt
      2ft

    • Friday

      Friday:NE wind 7 to 17 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.   Seas 1 to 2 ft.

      High: 84 °F

      NE 17kt
      1-2ft

    • Friday Night

      Friday Night:NNE wind 19 to 25 kt. Showers likely and possibly a thunderstorm.   Seas 2 to 4 ft.

      Low: 75 °F

      NNE 25kt
      2-4ft

    • Saturday

      Saturday:NNE wind 24 to 26 kt. Showers likely and possibly a thunderstorm.   Seas around 4 ft.

      High: 79 °F

      NNE 26kt
      4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:45 am CDT Oct 13, 2026
Forecast Valid: 11am CDT Oct 13, 2026-6pm CDT Oct 19, 2026

View Nearby Observations

Detailed Forecast


Today
SSE wind around 17 kt. Sunny. Seas around 2 ft.
Tonight
SE wind around 14 kt. Mostly clear. Seas around 2 ft.
Wednesday
SE wind 14 to 18 kt. Mostly sunny. Seas around 2 ft.
Wednesday Night
SE wind 14 to 16 kt. Mostly cloudy during the early evening, then becoming mostly clear. Seas around 2 ft.
Thursday
ESE wind 11 to 13 kt. Sunny. Seas around 2 ft.
Thursday Night
E wind 6 to 10 kt. Mostly clear. Seas around 2 ft.
Friday
NE wind 7 to 17 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Seas 1 to 2 ft.
Friday Night
NNE wind 19 to 25 kt. Showers likely and possibly a thunderstorm. Seas 2 to 4 ft.
Saturday
NNE wind 24 to 26 kt. Showers likely and possibly a thunderstorm. Seas around 4 ft.

Winds and waves 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: 26.08°N 97.16°W
Last Update: 11:45 am CDT Oct 13, 2026
Forecast Valid: 11am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data