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Port Isabel, TX Marine Weather Forecast

Station PTIT2 - 8779770 - Port Isabel, TX

October 2, 2026 4:54 am CDT
Location: 26.061N 97.215W
Wind Direction: SE (130°)
Wind Speed: 7.0 knots
Wind Gust: 8.0 knots
Atmospheric Pressure: 29.78 in (1008.4 mb)
Air Temperature: 83.8°F (28.8°C)
Water Temperature: 88.2°F (31.2°C)


Today - 91°F
Oct 02, 2026
6 to 12 mph ESE
Chance Showers And Thunderstorms
A chance of rain showers before 10am, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. East southeast wind 6 to 12 mph. Chance of precipitation is 50%.
Tonight - 79°F
Oct 02, 2026
3 to 10 mph NE
Chance Showers And Thunderstorms
A chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 2am, then showers and thunderstorms likely. Partly cloudy, with a low around 79. Northeast wind 3 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday - 89°F
Oct 03, 2026
7 to 14 mph N
Showers And Thunderstorms
Showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. North wind 7 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night - 78°F
Oct 03, 2026
5 to 12 mph N
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 78. North wind 5 to 12 mph. Chance of precipitation is 90%.
Sunday - 88°F
Oct 04, 2026
8 to 15 mph N
Showers And Thunderstorms
Showers and thunderstorms. Partly sunny, with a high near 88. North wind 8 to 15 mph. Chance of precipitation is 90%.
Sunday Night - 77°F
Oct 04, 2026
7 to 13 mph N
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 77. North wind 7 to 13 mph. Chance of precipitation is 90%.
Monday - 87°F
Oct 05, 2026
12 to 17 mph N
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 87. North wind 12 to 17 mph. Chance of precipitation is 90%.
Monday Night - 78°F
Oct 05, 2026
12 to 17 mph N
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 78. North wind 12 to 17 mph. Chance of precipitation is 90%.
Tuesday - 84°F
Oct 06, 2026
14 to 20 mph N
Showers And Thunderstorms
Showers and thunderstorms. Mostly sunny, with a high near 84. North wind 14 to 20 mph. Chance of precipitation is 80%.
Tuesday Night - 78°F
Oct 06, 2026
9 to 18 mph NNE
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly cloudy, with a low around 78. North northeast wind 9 to 18 mph. Chance of precipitation is 60%.
Wednesday - 85°F
Oct 07, 2026
12 to 20 mph N
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Sunny, with a high near 85. North wind 12 to 20 mph. Chance of precipitation is 40%.
Wednesday Night - 78°F
Oct 07, 2026
10 to 18 mph NNE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly clear, with a low around 78. Chance of precipitation is 30%.
Thursday - 84°F
Oct 08, 2026
13 to 21 mph NNE
Chance Showers And Thunderstorms
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night - 78°F
Oct 08, 2026
13 to 20 mph NNE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 78.

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