For More Weather Information:

Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:SSE wind around 11 kt. Sunny. Seas 1 to 2 ft.

      High: 82 °F

      SSE 11kt
      1-2ft

    • Saturday Night

      Saturday Night:SSE wind 8 to 11 kt becoming NNW after midnight. Partly cloudy. Seas around 1 ft.

      Low: 74 °F

      SSE 11kt
      1ft

    • Sunday

      Sunday:NNE wind 8 to 13 kt increasing to 21 to 26 kt in the afternoon. Partly sunny. Seas 1 ft building to 5 ft.

      High: 79 °F

      ⇑NNE 26kt
      Waves Building5ft

    • Sunday Night

      Sunday Night:N wind 21 to 26 kt, with gusts as high as 32 kt. Mostly clear. Seas 3 to 5 ft.

      Low: 60 °F

      N 26kt
      3-5ft

    • Monday

      Monday:N wind 20 to 25 kt decreasing to 14 to 19 kt in the afternoon. Winds could gust as high as 31 kt. Sunny. Seas 7 ft subsiding to 4 ft.

      High: 68 °F

      N 25kt⇓
      7ftWaves Subsiding

    • Monday Night

      Monday Night:NNE wind 6 to 13 kt becoming SE after midnight. Mostly clear. Seas 2 to 3 ft.

      Low: 59 °F

      NNE 13kt
      2-3ft

    • Veterans Day

      Veterans Day:SSE wind 7 to 15 kt. Sunny. Seas 2 to 3 ft.

      High: 75 °F

      SSE 15kt
      2-3ft

    • Tuesday Night

      Tuesday Night:S wind 16 to 20 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 72 °F

      S 20kt
      2-3ft

    • Wednesday

      Wednesday:S wind 16 to 19 kt. Sunny. Seas 2 to 3 ft.

      High: 80 °F

      S 19kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:45 am CST Nov 8, 2025
Forecast Valid: 2am CST Nov 8, 2025-6pm CST Nov 14, 2025

View Nearby Observations

Detailed Forecast


Saturday
SSE wind around 11 kt. Sunny. Seas 1 to 2 ft.
Saturday Night
SSE wind 8 to 11 kt becoming NNW after midnight. Partly cloudy. Seas around 1 ft.
Sunday
NNE wind 8 to 13 kt increasing to 21 to 26 kt in the afternoon. Partly sunny. Seas 1 ft building to 5 ft.
Sunday Night
N wind 21 to 26 kt, with gusts as high as 32 kt. Mostly clear. Seas 3 to 5 ft.
Monday
N wind 20 to 25 kt decreasing to 14 to 19 kt in the afternoon. Winds could gust as high as 31 kt. Sunny. Seas 7 ft subsiding to 4 ft.
Monday Night
NNE wind 6 to 13 kt becoming SE after midnight. Mostly clear. Seas 2 to 3 ft.
Veterans Day
SSE wind 7 to 15 kt. Sunny. Seas 2 to 3 ft.
Tuesday Night
S wind 16 to 20 kt. Partly cloudy. Seas 2 to 3 ft.
Wednesday
S wind 16 to 19 kt. Sunny. Seas 2 to 3 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: 2:45 am CST Nov 8, 2025
Forecast Valid: 2am CST Nov 8, 2025-6pm CST Nov 14, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data