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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      Low: 78 °F

      SE 7kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming ESE 7 to 12 kt in the morning. A slight chance of showers and thunderstorms between 1pm and 4pm.   Seas 1 ft or less.

      High: 86 °F

      ⇑ESE 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SE wind 5 to 11 kt. A slight chance of showers after 1am.   Seas 1 ft or less.

      Low: 78 °F

      SE 11kt
      < 1ft

    • Thursday

      Thursday:ESE wind 5 to 12 kt. A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm.   Seas 1 ft or less.

      High: 86 °F

      ESE 12kt
      < 1ft

    • Thursday Night

      Thursday Night:SE wind 5 to 11 kt. Mostly cloudy. Seas 1 ft or less.

      Low: 79 °F

      SE 11kt
      < 1ft

    • Friday

      Friday:ESE wind 5 to 12 kt. A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm.   Seas 1 ft or less.

      High: 86 °F

      ESE 12kt
      < 1ft

    • Friday Night

      Friday Night:SE wind 6 to 10 kt. Mostly cloudy. Seas 1 ft or less.

      Low: 79 °F

      SE 10kt
      < 1ft

    • Saturday

      Saturday:ESE wind 5 to 13 kt. A chance of showers and thunderstorms.   Seas 1 ft or less.

      High: 86 °F

      ESE 13kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind 7 to 12 kt. A slight chance of showers and thunderstorms after 1am.   Seas 1 ft or less.

      Low: 79 °F

      ESE 12kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:45 pm CDT Jun 24, 2025
Forecast Valid: 11pm CDT Jun 24, 2025-6pm CDT Jul 1, 2025

View Nearby Observations

Detailed Forecast


Overnight
SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming ESE 7 to 12 kt in the morning. A slight chance of showers and thunderstorms between 1pm and 4pm. Seas 1 ft or less.
Wednesday Night
SE wind 5 to 11 kt. A slight chance of showers after 1am. Seas 1 ft or less.
Thursday
ESE wind 5 to 12 kt. A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm. Seas 1 ft or less.
Thursday Night
SE wind 5 to 11 kt. Mostly cloudy. Seas 1 ft or less.
Friday
ESE wind 5 to 12 kt. A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Seas 1 ft or less.
Friday Night
SE wind 6 to 10 kt. Mostly cloudy. Seas 1 ft or less.
Saturday
ESE wind 5 to 13 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Saturday Night
ESE wind 7 to 12 kt. A slight chance of showers and thunderstorms after 1am. 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: 10:45 pm CDT Jun 24, 2025
Forecast Valid: 11pm CDT Jun 24, 2025-6pm CDT Jul 1, 2025
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