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Brownsville, TX Local Forecast Office

5NM NW Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:N wind around 6 kt. Mostly cloudy. Seas 1 ft or less.

      Low: 59 °F

      N 6kt
      < 1ft

    • Tuesday

      Tuesday:N wind 7 to 9 kt. Mostly cloudy. Seas 1 ft or less.

      High: 66 °F

      N 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NNE wind around 6 kt becoming variable and less than 5 kt. Cloudy, then gradually becoming partly cloudy. Seas 1 ft or less.

      Low: 56 °F

      NNE 6kt⇓
      < 1ft

    • Wednesday

      Wednesday:WNW wind 5 to 12 kt. Mostly sunny. Seas 1 ft or less.

      High: 74 °F

      WNW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:N wind 10 to 18 kt. Mostly clear. Seas 1 ft or less.

      Low: 56 °F

      N 18kt
      < 1ft

    • Thursday

      Thursday:N wind 9 to 16 kt. Sunny. Seas 1 ft or less.

      High: 63 °F

      N 16kt
      < 1ft

    • Thursday Night

      Thursday Night:NE wind 5 to 8 kt becoming S after midnight. Clear. Seas 1 ft or less.

      Low: 54 °F

      NE 8kt
      < 1ft

    • Friday

      Friday:S wind 5 to 10 kt. Sunny. Seas 1 ft or less.

      High: 70 °F

      S 10kt
      < 1ft

    • Friday Night

      Friday Night:SE wind 6 to 9 kt becoming ENE after midnight. Partly cloudy. Seas 1 ft or less.

      Low: 60 °F

      SE 9kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:45 am CST Jan 13, 2026
Forecast Valid: 12am CST Jan 13, 2026-6pm CST Jan 19, 2026

View Nearby Observations

Detailed Forecast


Overnight
N wind around 6 kt. Mostly cloudy. Seas 1 ft or less.
Tuesday
N wind 7 to 9 kt. Mostly cloudy. Seas 1 ft or less.
Tuesday Night
NNE wind around 6 kt becoming variable and less than 5 kt. Cloudy, then gradually becoming partly cloudy. Seas 1 ft or less.
Wednesday
WNW wind 5 to 12 kt. Mostly sunny. Seas 1 ft or less.
Wednesday Night
N wind 10 to 18 kt. Mostly clear. Seas 1 ft or less.
Thursday
N wind 9 to 16 kt. Sunny. Seas 1 ft or less.
Thursday Night
NE wind 5 to 8 kt becoming S after midnight. Clear. Seas 1 ft or less.
Friday
S wind 5 to 10 kt. Sunny. Seas 1 ft or less.
Friday Night
SE wind 6 to 9 kt becoming ENE after midnight. Partly cloudy. 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: 12:45 am CST Jan 13, 2026
Forecast Valid: 12am CST Jan 13, 2026-6pm CST Jan 19, 2026
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