For More Weather Information:

Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • M.L.King Day

      M.L.King Day:SE wind 6 to 14 kt. Sunny. Seas around 2 ft.

      High: 67 °F

      SE 14kt
      2ft

    • Tonight

      Tonight:SE wind 11 to 13 kt. Mostly cloudy. Seas 1 to 2 ft.

      Low: 63 °F

      SE 13kt
      1-2ft

    • Tuesday

      Tuesday:ESE wind 10 to 15 kt. A chance of showers, mainly after noon.   Seas around 2 ft.

      High: 69 °F

      ESE 15kt
      2ft

    • Tuesday Night

      Tuesday Night:SSE wind 10 to 14 kt. A chance of showers.   Seas around 2 ft.

      Low: 66 °F

      SSE 14kt
      2ft

    • Wednesday

      Wednesday:SSE wind around 10 kt. A chance of showers.   Seas 2 to 3 ft.

      High: 70 °F

      SSE 10kt
      2-3ft

    • Wednesday Night

      Wednesday Night:SE wind 7 to 9 kt becoming NW after midnight. A chance of showers before midnight.   Seas around 2 ft.

      Low: 64 °F

      SE 9kt
      2ft

    • Thursday

      Thursday:NNW wind 7 to 11 kt becoming ENE in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      High: 70 °F

      NE 11kt
      2-3ft

    • Thursday Night

      Thursday Night:ENE wind 8 to 10 kt becoming SSE after midnight. Partly cloudy. Seas around 2 ft.

      Low: 66 °F

      ENE 10kt
      2ft

    • Friday

      Friday:SSE wind 8 to 13 kt. Partly sunny. Seas around 2 ft.

      High: 73 °F

      SSE 13kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:00 am CST Jan 19, 2026
Forecast Valid: 7am CST Jan 19, 2026-6pm CST Jan 25, 2026

View Nearby Observations

Detailed Forecast


M.L.King Day
SE wind 6 to 14 kt. Sunny. Seas around 2 ft.
Tonight
SE wind 11 to 13 kt. Mostly cloudy. Seas 1 to 2 ft.
Tuesday
ESE wind 10 to 15 kt. A chance of showers, mainly after noon. Seas around 2 ft.
Tuesday Night
SSE wind 10 to 14 kt. A chance of showers. Seas around 2 ft.
Wednesday
SSE wind around 10 kt. A chance of showers. Seas 2 to 3 ft.
Wednesday Night
SE wind 7 to 9 kt becoming NW after midnight. A chance of showers before midnight. Seas around 2 ft.
Thursday
NNW wind 7 to 11 kt becoming ENE in the afternoon. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
ENE wind 8 to 10 kt becoming SSE after midnight. Partly cloudy. Seas around 2 ft.
Friday
SSE wind 8 to 13 kt. Partly sunny. Seas around 2 ft.

Winds and seas 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: 26.11°N 97.16°W
Last Update: 7:00 am CST Jan 19, 2026
Forecast Valid: 7am CST Jan 19, 2026-6pm CST Jan 25, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data