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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:SE wind 10 to 17 kt. Sunny. Seas 1 ft or less.

      High: 77 °F

      SE 17kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:SE wind 13 to 17 kt. Partly cloudy. Seas 1 ft or less.

      Low: 73 °F

      SE 17kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:SSE wind 11 to 15 kt. A slight chance of showers, mainly between 4pm and 5pm.   Seas 1 ft or less.

      High: 80 °F

      SSE 15kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:NE wind 7 to 12 kt becoming N 15 to 20 kt after midnight. A chance of showers and thunderstorms, then showers likely after midnight.   Seas 1 ft or less.

      Low: 67 °F

      ⇑N 20kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:N wind 21 to 24 kt. A slight chance of showers.   Seas 1 ft or less.

      High: 70 °F

      N 24kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:N wind 18 to 21 kt. A chance of showers.   Seas 1 ft or less.

      Low: 64 °F

      N 21kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:N wind 15 to 18 kt. A chance of showers.   Seas 1 ft or less.

      High: 72 °F

      N 18kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:NNE wind 7 to 14 kt. A slight chance of showers.   Seas 1 ft or less.

      Low: 68 °F

      NNE 14kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:ENE wind 6 to 10 kt. Mostly sunny. Seas 1 ft or less.

      High: 76 °F

      ENE 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:45 am CST Nov 14, 2026
Forecast Valid: 4am CST Nov 14, 2026-6pm CST Nov 20, 2026

View Nearby Observations

Detailed Forecast


Saturday
SE wind 10 to 17 kt. Sunny. Seas 1 ft or less.
Saturday Night
SE wind 13 to 17 kt. Partly cloudy. Seas 1 ft or less.
Sunday
SSE wind 11 to 15 kt. A slight chance of showers, mainly between 4pm and 5pm. Seas 1 ft or less.
Sunday Night
NE wind 7 to 12 kt becoming N 15 to 20 kt after midnight. A chance of showers and thunderstorms, then showers likely after midnight. Seas 1 ft or less.
Monday
N wind 21 to 24 kt. A slight chance of showers. Seas 1 ft or less.
Monday Night
N wind 18 to 21 kt. A chance of showers. Seas 1 ft or less.
Tuesday
N wind 15 to 18 kt. A chance of showers. Seas 1 ft or less.
Tuesday Night
NNE wind 7 to 14 kt. A slight chance of showers. Seas 1 ft or less.
Wednesday
ENE wind 6 to 10 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: 4:45 am CST Nov 14, 2026
Forecast Valid: 4am CST Nov 14, 2026-6pm CST Nov 20, 2026
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