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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:E wind 16 to 21 km/h. Patchy fog after 3pm.  Seas 1 m or less.

      High: 23 °C

      E 21km/h
      < 1m

    • Tonight

      Tonight:E wind 16 to 21 km/h. Patchy fog before 8pm.  Seas 1 m or less.

      Low: 21 °C

      E 21km/h
      < 1m

    • Wednesday

      Wednesday:ESE wind 14 to 24 km/h, with gusts as high as 32 km/h. Scattered showers and thunderstorms, mainly after 1pm.   Seas 1 m or less.

      High: 23 °C

      ESE 24km/h
      < 1m

    • Wednesday Night

      Wednesday Night:SE wind 24 to 27 km/h, with gusts as high as 34 km/h. Scattered showers, with thunderstorms also possible after 10pm.   Seas 1 m or less.

      Low: 21 °C

      SE 27km/h
      < 1m

    • Thursday

      Thursday:SE wind 29 to 35 km/h, with gusts as high as 45 km/h. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.   Seas around 1 m.

      High: 23 °C

      SE 35km/h
      1m

    • Thursday Night

      Thursday Night:SE wind 29 to 34 km/h. Showers likely and possibly a thunderstorm.   Seas around 1 m.

      Low: 19 °C

      SE 34km/h
      1m

    • Friday

      Friday:SSE wind 24 to 29 km/h. A chance of showers and thunderstorms.   Seas around 1 m.

      High: 23 °C

      SSE 29km/h
      1m

    • Friday Night

      Friday Night:SE wind 21 to 23 km/h. Partly cloudy. Seas around 1 m.

      Low: 20 °C

      SE 23km/h
      1m

    • Saturday

      Saturday:S wind around 24 km/h. Mostly sunny. Seas around 1 m.

      High: 24 °C

      S 24km/h
      1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:30 pm CDT Mar 25, 2025
Forecast Valid: 2pm CDT Mar 25, 2025-6pm CDT Mar 31, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
E wind 16 to 21 km/h. Patchy fog after 3pm. Seas 1 m or less.
Tonight
E wind 16 to 21 km/h. Patchy fog before 8pm. Seas 1 m or less.
Wednesday
ESE wind 14 to 24 km/h, with gusts as high as 32 km/h. Scattered showers and thunderstorms, mainly after 1pm. Seas 1 m or less.
Wednesday Night
SE wind 24 to 27 km/h, with gusts as high as 34 km/h. Scattered showers, with thunderstorms also possible after 10pm. Seas 1 m or less.
Thursday
SE wind 29 to 35 km/h, with gusts as high as 45 km/h. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Seas around 1 m.
Thursday Night
SE wind 29 to 34 km/h. Showers likely and possibly a thunderstorm. Seas around 1 m.
Friday
SSE wind 24 to 29 km/h. A chance of showers and thunderstorms. Seas around 1 m.
Friday Night
SE wind 21 to 23 km/h. Partly cloudy. Seas around 1 m.
Saturday
S wind around 24 km/h. Mostly sunny. Seas around 1 m.

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.
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ABOUT THIS FORECAST

Point Forecast: 26.11°N 97.16°W
Last Update: 2:30 pm CDT Mar 25, 2025
Forecast Valid: 2pm CDT Mar 25, 2025-6pm CDT Mar 31, 2025
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