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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSE wind 16 to 24 km/h, with gusts as high as 32 km/h. A slight chance of showers and thunderstorms between noon and 1pm.   Seas 1 m or less.

      High: 31 °C

      SSE 24km/h
      < 1m

    • Tonight

      Tonight:SSE wind 16 to 23 km/h. Partly cloudy. Seas 1 m or less.

      Low: 26 °C

      SSE 23km/h
      < 1m

    • Thursday

      Thursday:S wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 32 km/h. Partly sunny. Seas 1 m or less.

      High: 30 °C

      ⇑S 26km/h
      < 1m

    • Thursday Night

      Thursday Night:SSE wind 21 to 23 km/h. Partly cloudy. Seas 1 m or less.

      Low: 27 °C

      SSE 23km/h
      < 1m

    • Friday

      Friday:SSE wind 21 to 29 km/h, with gusts as high as 37 km/h. Sunny. Seas 1 m or less.

      High: 30 °C

      SSE 29km/h
      < 1m

    • Friday Night

      Friday Night:SE wind 21 to 26 km/h, with gusts as high as 32 km/h. Partly cloudy. Seas 1 m or less.

      Low: 27 °C

      SE 26km/h
      < 1m

    • Saturday

      Saturday:SSE wind 21 to 27 km/h, with gusts as high as 35 km/h. A chance of showers and thunderstorms, mainly before 1pm.   Seas 1 m or less.

      High: 30 °C

      SSE 27km/h
      < 1m

    • Saturday Night

      Saturday Night:SE wind 18 to 24 km/h. A slight chance of showers and thunderstorms.   Seas 1 m or less.

      Low: 27 °C

      SE 24km/h
      < 1m

    • Sunday

      Sunday:SSE wind 18 to 26 km/h, with gusts as high as 32 km/h. A slight chance of showers and thunderstorms before 1pm.   Seas 1 m or less.

      High: 30 °C

      SSE 26km/h
      < 1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:45 am CDT Jul 9, 2025
Forecast Valid: 9am CDT Jul 9, 2025-6pm CDT Jul 15, 2025

View Nearby Observations

Detailed Forecast


Today
SSE wind 16 to 24 km/h, with gusts as high as 32 km/h. A slight chance of showers and thunderstorms between noon and 1pm. Seas 1 m or less.
Tonight
SSE wind 16 to 23 km/h. Partly cloudy. Seas 1 m or less.
Thursday
S wind 14 to 19 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 32 km/h. Partly sunny. Seas 1 m or less.
Thursday Night
SSE wind 21 to 23 km/h. Partly cloudy. Seas 1 m or less.
Friday
SSE wind 21 to 29 km/h, with gusts as high as 37 km/h. Sunny. Seas 1 m or less.
Friday Night
SE wind 21 to 26 km/h, with gusts as high as 32 km/h. Partly cloudy. Seas 1 m or less.
Saturday
SSE wind 21 to 27 km/h, with gusts as high as 35 km/h. A chance of showers and thunderstorms, mainly before 1pm. Seas 1 m or less.
Saturday Night
SE wind 18 to 24 km/h. A slight chance of showers and thunderstorms. Seas 1 m or less.
Sunday
SSE wind 18 to 26 km/h, with gusts as high as 32 km/h. A slight chance of showers and thunderstorms before 1pm. Seas 1 m 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: 9:45 am CDT Jul 9, 2025
Forecast Valid: 9am CDT Jul 9, 2025-6pm CDT Jul 15, 2025
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