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Brownsville, TX Local Forecast Office

2NM N Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:SE wind around 18 kt. A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 11am.   Seas around 2 ft.

      High: 84 °F

      SE 18kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:SE wind 14 to 18 kt. A slight chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am.   Seas around 2 ft.

      Low: 82 °F

      SE 18kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:SE wind around 15 kt. A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 10am.   Seas around 2 ft.

      High: 83 °F

      SE 15kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:SE wind 11 to 16 kt. A slight chance of showers after 1am.   Seas around 2 ft.

      Low: 82 °F

      SE 16kt
      2ft

    • Wednesday

      Wednesday:SE wind 12 to 14 kt. Partly sunny. Seas around 2 ft.

      High: 83 °F

      SE 14kt
      2ft

    • Wednesday Night

      Wednesday Night:ESE wind 10 to 12 kt. Mostly cloudy. Seas around 2 ft.

      Low: 81 °F

      ESE 12kt
      2ft

    • Thursday

      Thursday:SE wind 9 to 16 kt. A chance of showers, mainly after 1pm.   Seas 1 to 2 ft.

      High: 82 °F

      SE 16kt
      1-2ft

    • Thursday Night

      Thursday Night:SE wind 8 to 14 kt. A slight chance of showers, then a chance of showers and thunderstorms after 1am.   Seas 1 to 2 ft.

      Low: 80 °F

      SE 14kt
      1-2ft

    • Friday

      Friday:SSE wind 8 to 15 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.   Seas 1 to 2 ft.

      High: 82 °F

      SSE 15kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:15 am CDT May 18, 2026
Forecast Valid: 1am CDT May 18, 2026-6pm CDT May 24, 2026

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Detailed Forecast


Monday
SE wind around 18 kt. A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 11am. Seas around 2 ft.
Monday Night
SE wind 14 to 18 kt. A slight chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Seas around 2 ft.
Tuesday
SE wind around 15 kt. A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 10am. Seas around 2 ft.
Tuesday Night
SE wind 11 to 16 kt. A slight chance of showers after 1am. Seas around 2 ft.
Wednesday
SE wind 12 to 14 kt. Partly sunny. Seas around 2 ft.
Wednesday Night
ESE wind 10 to 12 kt. Mostly cloudy. Seas around 2 ft.
Thursday
SE wind 9 to 16 kt. A chance of showers, mainly after 1pm. Seas 1 to 2 ft.
Thursday Night
SE wind 8 to 14 kt. A slight chance of showers, then a chance of showers and thunderstorms after 1am. Seas 1 to 2 ft.
Friday
SSE wind 8 to 15 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 to 2 ft.

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: 26.11°N 97.24°W
Last Update: 1:15 am CDT May 18, 2026
Forecast Valid: 1am CDT May 18, 2026-6pm CDT May 24, 2026
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