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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:ESE wind around 13 kt. Mostly sunny. Seas 1 ft or less.

      High: 86 °F

      ESE 13kt
      < 1ft

    • Tonight

      Tonight:ESE wind 11 to 13 kt. Partly cloudy. Seas 1 ft or less.

      Low: 83 °F

      ESE 13kt
      < 1ft

    • Wednesday

      Wednesday:SE wind 11 to 15 kt. Sunny. Seas 1 ft or less.

      High: 86 °F

      SE 15kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SE wind 12 to 16 kt. Partly cloudy. Seas 1 ft or less.

      Low: 83 °F

      SE 16kt
      < 1ft

    • Thursday

      Thursday:SE wind 11 to 17 kt. Sunny. Seas 1 ft or less.

      High: 86 °F

      SE 17kt
      < 1ft

    • Thursday Night

      Thursday Night:SE wind 11 to 16 kt. Mostly clear. Seas 1 ft or less.

      Low: 83 °F

      SE 16kt
      < 1ft

    • Friday

      Friday:ESE wind 10 to 16 kt. Sunny. Seas 1 ft or less.

      High: 86 °F

      ESE 16kt
      < 1ft

    • Friday Night

      Friday Night:SE wind 9 to 15 kt. A slight chance of showers and thunderstorms after 1am.   Seas 1 ft or less.

      Low: 82 °F

      SE 15kt
      < 1ft

    • Saturday

      Saturday:ESE wind 9 to 16 kt. A chance of showers and thunderstorms, mainly before 1pm.   Seas 1 ft or less.

      High: 87 °F

      ESE 16kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:15 pm CDT Jun 9, 2026
Forecast Valid: 12pm CDT Jun 9, 2026-6pm CDT Jun 15, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
ESE wind around 13 kt. Mostly sunny. Seas 1 ft or less.
Tonight
ESE wind 11 to 13 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
SE wind 11 to 15 kt. Sunny. Seas 1 ft or less.
Wednesday Night
SE wind 12 to 16 kt. Partly cloudy. Seas 1 ft or less.
Thursday
SE wind 11 to 17 kt. Sunny. Seas 1 ft or less.
Thursday Night
SE wind 11 to 16 kt. Mostly clear. Seas 1 ft or less.
Friday
ESE wind 10 to 16 kt. Sunny. Seas 1 ft or less.
Friday Night
SE wind 9 to 15 kt. A slight chance of showers and thunderstorms after 1am. Seas 1 ft or less.
Saturday
ESE wind 9 to 16 kt. A chance of showers and thunderstorms, mainly before 1pm. Seas 1 ft or less.

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.
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ABOUT THIS FORECAST

Point Forecast: 26.15°N 97.29°W
Last Update: 12:15 pm CDT Jun 9, 2026
Forecast Valid: 12pm CDT Jun 9, 2026-6pm CDT Jun 15, 2026
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