For More Weather Information:

Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNE wind around 9 kt. Sunny. Seas around 3 ft.

      High: 62 °F

      NNE 9kt
      3ft

    • Tonight

      Tonight:ENE wind 5 to 8 kt becoming SW after midnight. Clear. Seas around 2 ft.

      Low: 55 °F

      ENE 8kt
      2ft

    • Friday

      Friday:WSW wind 5 to 8 kt becoming SE in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 67 °F

      SE 8kt
      1-2ft

    • Friday Night

      Friday Night:SSE wind 5 to 8 kt becoming SW after midnight. Mostly clear. Seas around 1 ft.

      Low: 59 °F

      SSE 8kt
      1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming ESE 5 to 9 kt in the afternoon. Sunny. Seas around 1 ft.

      High: 68 °F

      ⇑ESE 9kt
      1ft

    • Saturday Night

      Saturday Night:SSE wind 6 to 9 kt. Mostly clear. Seas around 1 ft.

      Low: 62 °F

      SSE 9kt
      1ft

    • Sunday

      Sunday:SSE wind 6 to 10 kt. Mostly sunny. Seas around 1 ft.

      High: 70 °F

      SSE 10kt
      1ft

    • Sunday Night

      Sunday Night:SSE wind 6 to 9 kt. Partly cloudy. Seas around 1 ft.

      Low: 65 °F

      SSE 9kt
      1ft

    • Monday

      Monday:SSE wind 6 to 12 kt. Partly sunny. Seas around 1 ft.

      High: 71 °F

      SSE 12kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:18 pm CST Feb 5, 2026
Forecast Valid: 3pm CST Feb 5, 2026-6pm CST Feb 11, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
NNE wind around 9 kt. Sunny. Seas around 3 ft.
Tonight
ENE wind 5 to 8 kt becoming SW after midnight. Clear. Seas around 2 ft.
Friday
WSW wind 5 to 8 kt becoming SE in the afternoon. Sunny. Seas 1 to 2 ft.
Friday Night
SSE wind 5 to 8 kt becoming SW after midnight. Mostly clear. Seas around 1 ft.
Saturday
Variable winds less than 5 kt becoming ESE 5 to 9 kt in the afternoon. Sunny. Seas around 1 ft.
Saturday Night
SSE wind 6 to 9 kt. Mostly clear. Seas around 1 ft.
Sunday
SSE wind 6 to 10 kt. Mostly sunny. Seas around 1 ft.
Sunday Night
SSE wind 6 to 9 kt. Partly cloudy. Seas around 1 ft.
Monday
SSE wind 6 to 12 kt. Partly sunny. Seas around 1 ft.

*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 Feb 5, 2026
Forecast Valid: 3pm CST Feb 5, 2026-6pm CST Feb 11, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data