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Port Isabel, TX Marine Weather Forecast

Station PTIT2 - 8779770 - Port Isabel, TX

August 17, 2026 11:48 pm CDT
Location: 26.061N 97.215W
Wind Direction: SSE (160°)
Wind Speed: 9.9 knots
Wind Gust: 12.1 knots
Atmospheric Pressure: 30.04 in (1017.3 mb)
Water Temperature: 87.8°F (31.0°C)


Overnight - 80°F
Aug 18, 2026
8 mph SSE
Mostly Clear
Mostly clear, with a low around 80. South southeast wind around 8 mph.
Tuesday - 93°F
Aug 18, 2026
5 to 15 mph SSE
Sunny
Sunny. High near 93, with temperatures falling to around 89 in the afternoon. South southeast wind 5 to 15 mph.
Tuesday Night - 80°F
Aug 18, 2026
7 to 14 mph SSE
Partly Cloudy
Partly cloudy, with a low around 80. South southeast wind 7 to 14 mph.
Wednesday - 93°F
Aug 19, 2026
7 to 16 mph SSE
Mostly Sunny
Mostly sunny, with a high near 93. South southeast wind 7 to 16 mph.
Wednesday Night - 81°F
Aug 19, 2026
9 to 15 mph SSE
Partly Cloudy
Partly cloudy, with a low around 81. South southeast wind 9 to 15 mph.
Thursday - 94°F
Aug 20, 2026
9 to 16 mph SSE
Mostly Sunny
Mostly sunny. High near 94, with temperatures falling to around 90 in the afternoon. South southeast wind 9 to 16 mph.
Thursday Night - 81°F
Aug 20, 2026
9 to 15 mph SSE
Mostly Clear
Mostly clear, with a low around 81. South southeast wind 9 to 15 mph.
Friday - 94°F
Aug 21, 2026
8 to 14 mph SSE
Mostly Sunny
Mostly sunny, with a high near 94. South southeast wind 8 to 14 mph.
Friday Night - 80°F
Aug 21, 2026
8 to 13 mph SSE
Partly Cloudy
Partly cloudy, with a low around 80. South southeast wind 8 to 13 mph.
Saturday - 94°F
Aug 22, 2026
7 to 14 mph SSE
Sunny
Sunny, with a high near 94. South southeast wind 7 to 14 mph.
Saturday Night - 80°F
Aug 22, 2026
8 to 14 mph SSE
Mostly Clear
Mostly clear, with a low around 80. South southeast wind 8 to 14 mph.
Sunday - 93°F
Aug 23, 2026
7 to 14 mph SSE
Sunny
Sunny, with a high near 93.
Sunday Night - 80°F
Aug 23, 2026
9 to 14 mph SSE
Mostly Clear
Mostly clear, with a low around 80.
Monday - 93°F
Aug 24, 2026
8 to 15 mph SSE
Sunny
Sunny, with a high near 93.

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