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Port Isabel, TX Marine Weather Forecast

Station PTIT2 - 8779770 - Port Isabel, TX

March 21, 2026 1:30 am CDT
Location: 26.061N 97.215W
Wind Direction: SSE (150°)
Wind Speed: 12.1 knots
Wind Gust: 15.0 knots
Atmospheric Pressure: 30.06 in (1017.9 mb)
Air Temperature: 70.0°F (21.1°C)
Water Temperature: 73.6°F (23.1°C)


Overnight - 66°F
Mar 21, 2026
12 mph S
Clear
Clear, with a low around 66. South wind around 12 mph.
Saturday - 81°F
Mar 21, 2026
10 to 18 mph S
Sunny
Sunny, with a high near 81. South wind 10 to 18 mph.
Saturday Night - 67°F
Mar 21, 2026
12 to 15 mph SSE
Mostly Clear
Mostly clear, with a low around 67. South southeast wind 12 to 15 mph.
Sunday - 80°F
Mar 22, 2026
10 to 17 mph SSE
Sunny
Sunny, with a high near 80. South southeast wind 10 to 17 mph.
Sunday Night - 67°F
Mar 22, 2026
8 to 15 mph SSE
Mostly Clear
Mostly clear, with a low around 67. South southeast wind 8 to 15 mph, with gusts as high as 21 mph.
Monday - 80°F
Mar 23, 2026
7 to 14 mph SE
Sunny
Sunny, with a high near 80. Southeast wind 7 to 14 mph.
Monday Night - 68°F
Mar 23, 2026
6 to 12 mph SE
Mostly Clear
Mostly clear, with a low around 68. Southeast wind 6 to 12 mph.
Tuesday - 81°F
Mar 24, 2026
6 to 15 mph SE
Sunny
Sunny, with a high near 81. Southeast wind 6 to 15 mph.
Tuesday Night - 69°F
Mar 24, 2026
8 to 14 mph SE
Mostly Clear
Mostly clear, with a low around 69. Southeast wind 8 to 14 mph.
Wednesday - 81°F
Mar 25, 2026
8 to 17 mph SSE
Sunny
Sunny, with a high near 81. South southeast wind 8 to 17 mph, with gusts as high as 23 mph.
Wednesday Night - 68°F
Mar 25, 2026
12 to 16 mph SSE
Mostly Clear
Mostly clear, with a low around 68. South southeast wind 12 to 16 mph.
Thursday - 82°F
Mar 26, 2026
12 to 20 mph SSE
Sunny
Sunny, with a high near 82.
Thursday Night - 69°F
Mar 26, 2026
14 to 17 mph SSE
Mostly Clear
Mostly clear, with a low around 69.
Friday - 81°F
Mar 27, 2026
13 to 18 mph SE
Sunny
Sunny, with a high near 81.

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