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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:N wind 34 to 39 km/h decreasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 47 km/h. Sunny. Seas 1 m or less.

      High: 19 °C

      N 39km/h⇓
      < 1m

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NNE wind 18 to 23 km/h becoming NNW 8 to 13 km/h after midnight. Mostly clear. Seas 1 m or less.

      Low: 12 °C

      NNE 23km/h⇓
      < 1m

    • Veterans Day

      Veterans Day:WNW wind 10 to 15 km/h becoming SSE 19 to 24 km/h in the morning. Winds could gust as high as 32 km/h. Sunny. Seas 1 m or less.

      High: 23 °C

      ⇑SSE 24km/h
      < 1m

    • Tuesday Night

      Tuesday Night:S wind 24 to 32 km/h. Mostly clear. Seas 1 m or less.

      Low: 20 °C

      S 32km/h
      < 1m

    • Wednesday

      Wednesday:S wind 23 to 28 km/h increasing to 29 to 34 km/h in the afternoon. Winds could gust as high as 40 km/h. Sunny. Seas 1 m or less.

      High: 27 °C

      ⇑S 34km/h
      < 1m

    • Wednesday Night

      Wednesday Night:SSE wind 18 to 26 km/h, with gusts as high as 34 km/h. Mostly clear. Seas 1 m or less.

      Low: 22 °C

      SSE 26km/h
      < 1m

    • Thursday

      Thursday:SSE wind 18 to 23 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 37 km/h. Sunny. Seas 1 m or less.

      High: 27 °C

      ⇑SSE 29km/h
      < 1m

    • Thursday Night

      Thursday Night:SSE wind around 27 km/h, with gusts as high as 35 km/h. Partly cloudy. Seas 1 m or less.

      Low: 22 °C

      SSE 27km/h
      < 1m

    • Friday

      Friday:SSE wind 26 to 31 km/h increasing to 32 to 37 km/h in the afternoon. Winds could gust as high as 45 km/h. Mostly sunny. Seas 1 m or less.

      High: 27 °C

      ⇑SSE 37km/h
      < 1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:45 am CST Nov 10, 2025
Forecast Valid: 10am CST Nov 10, 2025-6pm CST Nov 16, 2025

View Nearby Observations

Detailed Forecast


Today
N wind 34 to 39 km/h decreasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 47 km/h. Sunny. Seas 1 m or less.
Tonight
NNE wind 18 to 23 km/h becoming NNW 8 to 13 km/h after midnight. Mostly clear. Seas 1 m or less.
Veterans Day
WNW wind 10 to 15 km/h becoming SSE 19 to 24 km/h in the morning. Winds could gust as high as 32 km/h. Sunny. Seas 1 m or less.
Tuesday Night
S wind 24 to 32 km/h. Mostly clear. Seas 1 m or less.
Wednesday
S wind 23 to 28 km/h increasing to 29 to 34 km/h in the afternoon. Winds could gust as high as 40 km/h. Sunny. Seas 1 m or less.
Wednesday Night
SSE wind 18 to 26 km/h, with gusts as high as 34 km/h. Mostly clear. Seas 1 m or less.
Thursday
SSE wind 18 to 23 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 37 km/h. Sunny. Seas 1 m or less.
Thursday Night
SSE wind around 27 km/h, with gusts as high as 35 km/h. Partly cloudy. Seas 1 m or less.
Friday
SSE wind 26 to 31 km/h increasing to 32 to 37 km/h in the afternoon. Winds could gust as high as 45 km/h. Mostly sunny. Seas 1 m or less.

*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 CST Nov 10, 2025
Forecast Valid: 10am CST Nov 10, 2025-6pm CST Nov 16, 2025
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