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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Washington's Birthday

      Washington's Birthday:Variable winds less than 5 kt becoming E 5 to 9 kt in the afternoon. Patchy fog before 9am.  Seas 1 to 2 ft.

      High: 71 °F

      ⇑E 9kt
      1-2ft

    • Tonight

      Tonight:ESE wind around 9 kt becoming SSE after midnight. Mostly clear. Seas 1 to 2 ft.

      Low: 66 °F

      ESE 9kt
      1-2ft

    • Tuesday

      Tuesday:SSE wind 9 to 17 kt. Sunny. Seas around 2 ft.

      High: 72 °F

      SSE 17kt
      2ft

    • Tuesday Night

      Tuesday Night:SSE wind around 16 kt. Mostly clear. Seas around 2 ft.

      Low: 68 °F

      SSE 16kt
      2ft

    • Wednesday

      Wednesday:S wind 15 to 17 kt. Sunny. Seas 2 to 3 ft.

      High: 74 °F

      S 17kt
      2-3ft

    • Wednesday Night

      Wednesday Night:S wind 14 to 17 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 69 °F

      S 17kt
      1-2ft

    • Thursday

      Thursday:S wind 13 to 17 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 76 °F

      S 17kt
      2-3ft

    • Thursday Night

      Thursday Night:SSE wind around 13 kt. Partly cloudy. Seas around 2 ft.

      Low: 69 °F

      SSE 13kt
      2ft

    • Friday

      Friday:SE wind 12 to 14 kt. Mostly sunny. Seas around 2 ft.

      High: 76 °F

      SE 14kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:45 am CST Feb 16, 2026
Forecast Valid: 5am CST Feb 16, 2026-6pm CST Feb 22, 2026

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Detailed Forecast


Washington's Birthday
Variable winds less than 5 kt becoming E 5 to 9 kt in the afternoon. Patchy fog before 9am. Seas 1 to 2 ft.
Tonight
ESE wind around 9 kt becoming SSE after midnight. Mostly clear. Seas 1 to 2 ft.
Tuesday
SSE wind 9 to 17 kt. Sunny. Seas around 2 ft.
Tuesday Night
SSE wind around 16 kt. Mostly clear. Seas around 2 ft.
Wednesday
S wind 15 to 17 kt. Sunny. Seas 2 to 3 ft.
Wednesday Night
S wind 14 to 17 kt. Partly cloudy. Seas 1 to 2 ft.
Thursday
S wind 13 to 17 kt. Mostly sunny. Seas 2 to 3 ft.
Thursday Night
SSE wind around 13 kt. Partly cloudy. Seas around 2 ft.
Friday
SE wind 12 to 14 kt. Mostly sunny. Seas around 2 ft.

*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: 5:45 am CST Feb 16, 2026
Forecast Valid: 5am CST Feb 16, 2026-6pm CST Feb 22, 2026
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