For More Weather Information:

Brownsville, TX Local Forecast Office

4NM E Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:ESE wind 12 to 14 kt. Mostly sunny. Seas around 1 ft.

      High: 86 °F

      ESE 14kt
      1ft

    • Tonight

      Tonight:SE wind around 11 kt. A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am.   Seas around 1 ft.

      Low: 82 °F

      SE 11kt
      1ft

    • Columbus Day

      Columbus Day:SE wind 10 to 13 kt. A slight chance of showers and thunderstorms between 10am and 2pm.   Seas 1 ft or less.

      High: 88 °F

      SE 13kt
      < 1ft

    • Monday Night

      Monday Night:SE wind around 12 kt. Partly cloudy. Seas around 1 ft.

      Low: 83 °F

      SE 12kt
      1ft

    • Tuesday

      Tuesday:SSE wind 12 to 16 kt. Sunny. Seas 1 ft or less.

      High: 88 °F

      SSE 16kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSE wind around 14 kt. Mostly clear. Seas 1 ft or less.

      Low: 82 °F

      SSE 14kt
      < 1ft

    • Wednesday

      Wednesday:SE wind 14 to 17 kt. Sunny. Seas 1 ft or less.

      High: 88 °F

      SE 17kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SE wind around 15 kt. Mostly clear. Seas 1 ft or less.

      Low: 81 °F

      SE 15kt
      < 1ft

    • Thursday

      Thursday:SE wind 13 to 15 kt. Sunny. Seas 1 ft or less.

      High: 85 °F

      SE 15kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:00 pm CDT Oct 11, 2026
Forecast Valid: 1pm CDT Oct 11, 2026-6pm CDT Oct 17, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
ESE wind 12 to 14 kt. Mostly sunny. Seas around 1 ft.
Tonight
SE wind around 11 kt. A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Seas around 1 ft.
Columbus Day
SE wind 10 to 13 kt. A slight chance of showers and thunderstorms between 10am and 2pm. Seas 1 ft or less.
Monday Night
SE wind around 12 kt. Partly cloudy. Seas around 1 ft.
Tuesday
SSE wind 12 to 16 kt. Sunny. Seas 1 ft or less.
Tuesday Night
SSE wind around 14 kt. Mostly clear. Seas 1 ft or less.
Wednesday
SE wind 14 to 17 kt. Sunny. Seas 1 ft or less.
Wednesday Night
SE wind around 15 kt. Mostly clear. Seas 1 ft or less.
Thursday
SE wind 13 to 15 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: 26.06°N 97.16°W
Last Update: 1:00 pm CDT Oct 11, 2026
Forecast Valid: 1pm CDT Oct 11, 2026-6pm CDT Oct 17, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data