Hazardous Weather Conditions

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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSE wind 8 to 13 kt. Widespread haze before 5pm.  Seas 4 ft subsiding to 1 ft or less.

      High: 80 °F

      SSE 13kt
      4ftWaves Subsiding

    • Tonight

      Tonight:SSE wind 5 to 12 kt. Widespread haze between 7pm and 10pm, then Widespread haze after 1am.  Seas 1 ft or less building to 4 ft.

      Low: 67 °F

      SSE 12kt
      Waves Building4ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming NNE 9 to 14 kt in the morning. Widespread haze before 11am.  Seas 1 ft or less building to 4 ft.

      High: 76 °F

      ⇑NNE 14kt
      Waves Building4ft

    • Saturday Night

      Saturday Night:N wind 14 to 19 kt increasing to 21 to 26 kt after midnight. Partly cloudy. Seas 1 ft or less building to 5 ft.

      Low: 60 °F

      ⇑N 26kt
      Waves Building5ft

    • Sunday

      Sunday:N wind 18 to 22 kt. Mostly sunny. Seas 1 ft or less.

      High: 65 °F

      N 22kt
      < 1ft

    • Sunday Night

      Sunday Night:NE wind 9 to 17 kt. Mostly clear. Seas 1 ft or less.

      Low: 57 °F

      NE 17kt
      < 1ft

    • Monday

      Monday:ENE wind 9 to 13 kt. Mostly sunny. Seas 1 ft or less.

      High: 66 °F

      ENE 13kt
      < 1ft

    • Monday Night

      Monday Night:ESE wind 8 to 12 kt. Mostly clear. Seas 1 ft or less.

      Low: 60 °F

      ESE 12kt
      < 1ft

    • Tuesday

      Tuesday:SSE wind 8 to 17 kt. Mostly sunny. Seas 1 ft or less.

      High: 70 °F

      SSE 17kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:00 am CST Feb 20, 2026
Forecast Valid: 6am CST Feb 20, 2026-6pm CST Feb 26, 2026

View Nearby Observations

Detailed Forecast


Today
SSE wind 8 to 13 kt. Widespread haze before 5pm. Seas 4 ft subsiding to 1 ft or less.
Tonight
SSE wind 5 to 12 kt. Widespread haze between 7pm and 10pm, then Widespread haze after 1am. Seas 1 ft or less building to 4 ft.
Saturday
Variable winds less than 5 kt becoming NNE 9 to 14 kt in the morning. Widespread haze before 11am. Seas 1 ft or less building to 4 ft.
Saturday Night
N wind 14 to 19 kt increasing to 21 to 26 kt after midnight. Partly cloudy. Seas 1 ft or less building to 5 ft.
Sunday
N wind 18 to 22 kt. Mostly sunny. Seas 1 ft or less.
Sunday Night
NE wind 9 to 17 kt. Mostly clear. Seas 1 ft or less.
Monday
ENE wind 9 to 13 kt. Mostly sunny. Seas 1 ft or less.
Monday Night
ESE wind 8 to 12 kt. Mostly clear. Seas 1 ft or less.
Tuesday
SSE wind 8 to 17 kt. Mostly sunny. Seas 1 ft 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: 6:00 am CST Feb 20, 2026
Forecast Valid: 6am CST Feb 20, 2026-6pm CST Feb 26, 2026
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