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Port Isabel, TX Marine Weather Forecast

Station PTIT2 - 8779770 - Port Isabel, TX

December 30, 2025 6:00 pm CST
Location: 26.061N 97.215W
Wind Direction: N (350°)
Wind Speed: 7.0 knots
Wind Gust: 9.9 knots
Atmospheric Pressure: 30.40 in (1029.4 mb)
Pressure Tendency: -0.00 in (-0.0 mb)
Air Temperature: 54.7°F (12.6°C)
Water Temperature: 66.7°F (19.3°C)


Tonight - 51°F
Dec 30, 2025
5 to 10 mph NNW
Mostly Clear
Mostly clear, with a low around 51. North northwest wind 5 to 10 mph.
Wednesday - 68°F
Dec 31, 2025
6 mph NNE
Sunny
Sunny, with a high near 68. North northeast wind around 6 mph.
Wednesday Night - 58°F
Dec 31, 2025
6 mph SSE
Partly Cloudy
Partly cloudy, with a low around 58. South southeast wind around 6 mph.
New Year's Day - 76°F
Jan 01, 2026
6 to 14 mph S
Mostly Sunny
Mostly sunny, with a high near 76. South wind 6 to 14 mph.
Thursday Night - 66°F
Jan 01, 2026
13 mph S
Partly Cloudy
Partly cloudy, with a low around 66. South wind around 13 mph, with gusts as high as 21 mph.
Friday - 80°F
Jan 02, 2026
12 to 15 mph S
Mostly Sunny
Mostly sunny. High near 80, with temperatures falling to around 75 in the afternoon. South wind 12 to 15 mph, with gusts as high as 21 mph.
Friday Night - 65°F
Jan 02, 2026
7 to 12 mph SSW
Mostly Clear
Mostly clear, with a low around 65. South southwest wind 7 to 12 mph.
Saturday - 79°F
Jan 03, 2026
8 mph SSE
Sunny
Sunny, with a high near 79. South southeast wind around 8 mph.
Saturday Night - 66°F
Jan 03, 2026
7 mph SE
Mostly Clear then Patchy Fog
Patchy fog after 5am. Mostly clear, with a low around 66. Southeast wind around 7 mph.
Sunday - 79°F
Jan 04, 2026
5 to 12 mph SE
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 79. Southeast wind 5 to 12 mph.
Sunday Night - 68°F
Jan 04, 2026
9 mph SSE
Mostly Clear
Mostly clear, with a low around 68. South southeast wind around 9 mph.
Monday - 80°F
Jan 05, 2026
7 to 13 mph SSE
Mostly Sunny
Mostly sunny, with a high near 80.
Monday Night - 67°F
Jan 05, 2026
7 to 10 mph SSE
Partly Cloudy
Partly cloudy, with a low around 67.
Tuesday - 79°F
Jan 06, 2026
7 to 13 mph SSE
Mostly Sunny
Mostly sunny, with a high near 79.

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