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Brownsville, TX Local Forecast Office

14NM SE Port Mansfield TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:ENE wind 8 to 10 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 89 °F

      ENE 10kt
      1-2ft

    • Tonight

      Tonight:E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.

      Low: 82 °F

      E 10kt⇓
      2ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming ENE 5 to 10 kt in the afternoon. A slight chance of showers and thunderstorms before 8am.   Seas 1 to 2 ft.

      High: 89 °F

      ⇑ENE 10kt
      1-2ft

    • Saturday Night

      Saturday Night:E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 1 ft.

      Low: 82 °F

      E 10kt⇓
      1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming E 5 to 10 kt in the afternoon. Sunny. Seas around 1 ft.

      High: 90 °F

      ⇑E 10kt
      1ft

    • Sunday Night

      Sunday Night:E wind 5 to 10 kt becoming SSE after midnight. Partly cloudy. Seas around 1 ft.

      Low: 82 °F

      E 10kt
      1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming E 5 to 10 kt in the afternoon. Sunny. Seas around 1 ft.

      High: 90 °F

      ⇑E 10kt
      1ft

    • Monday Night

      Monday Night:E wind 5 to 10 kt becoming SE after midnight. Mostly clear. Seas around 1 ft.

      Low: 83 °F

      E 10kt
      1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming E 6 to 11 kt in the afternoon. A slight chance of showers and thunderstorms.   Seas around 1 ft.

      High: 88 °F

      ⇑E 11kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:45 pm CDT Sep 18, 2026
Forecast Valid: 1pm CDT Sep 18, 2026-6pm CDT Sep 24, 2026

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Detailed Forecast


This Afternoon
ENE wind 8 to 10 kt. Mostly sunny. Seas 1 to 2 ft.
Tonight
E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.
Saturday
Variable winds less than 5 kt becoming ENE 5 to 10 kt in the afternoon. A slight chance of showers and thunderstorms before 8am. Seas 1 to 2 ft.
Saturday Night
E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 1 ft.
Sunday
Variable winds less than 5 kt becoming E 5 to 10 kt in the afternoon. Sunny. Seas around 1 ft.
Sunday Night
E wind 5 to 10 kt becoming SSE after midnight. Partly cloudy. Seas around 1 ft.
Monday
Variable winds less than 5 kt becoming E 5 to 10 kt in the afternoon. Sunny. Seas around 1 ft.
Monday Night
E wind 5 to 10 kt becoming SE after midnight. Mostly clear. Seas around 1 ft.
Tuesday
Variable winds less than 5 kt becoming E 6 to 11 kt in the afternoon. A slight chance of showers and thunderstorms. Seas around 1 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: 26.4°N 97.22°W
Last Update: 1:45 pm CDT Sep 18, 2026
Forecast Valid: 1pm CDT Sep 18, 2026-6pm CDT Sep 24, 2026
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