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San Martin Lake Channel, TX Marine Weather Forecast

Station PTIT2 - 8779770 - Port Isabel, TX

December 19, 2025 5:48 am CST
Location: 26.061N 97.215W
Wind Direction: N (10°)
Wind Speed: 9.9 knots
Wind Gust: 13.0 knots
Atmospheric Pressure: 30.10 in (1019.4 mb)


Today - 72°F
Dec 19, 2025
8 to 14 mph NE
Sunny
Sunny, with a high near 72. Northeast wind 8 to 14 mph.
Tonight - 63°F
Dec 19, 2025
6 mph ESE
Mostly Clear
Mostly clear, with a low around 63. East southeast wind around 6 mph.
Saturday - 79°F
Dec 20, 2025
6 to 13 mph SSE
Sunny
Sunny. High near 79, with temperatures falling to around 75 in the afternoon. South southeast wind 6 to 13 mph.
Saturday Night - 68°F
Dec 20, 2025
10 mph SSE
Mostly Clear
Mostly clear, with a low around 68. South southeast wind around 10 mph.
Sunday - 79°F
Dec 21, 2025
7 to 10 mph SSE
Mostly Sunny
Mostly sunny. High near 79, with temperatures falling to around 75 in the afternoon. South southeast wind 7 to 10 mph.
Sunday Night - 68°F
Dec 21, 2025
5 to 8 mph SE
Partly Cloudy
Partly cloudy, with a low around 68. Southeast wind 5 to 8 mph.
Monday - 78°F
Dec 22, 2025
5 to 10 mph SE
Mostly Sunny
Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph.
Monday Night - 67°F
Dec 22, 2025
8 mph SE
Mostly Clear
Mostly clear, with a low around 67. Southeast wind around 8 mph.
Tuesday - 77°F
Dec 23, 2025
6 to 10 mph SE
Sunny
Sunny, with a high near 77. Southeast wind 6 to 10 mph.
Tuesday Night - 66°F
Dec 23, 2025
8 mph SE
Mostly Clear
Mostly clear, with a low around 66. Southeast wind around 8 mph.
Wednesday - 77°F
Dec 24, 2025
6 to 12 mph SE
Sunny
Sunny, with a high near 77. Southeast wind 6 to 12 mph.
Wednesday Night - 66°F
Dec 24, 2025
5 to 8 mph SE
Mostly Clear
Mostly clear, with a low around 66.
Christmas Day - 77°F
Dec 25, 2025
5 to 10 mph SE
Mostly Sunny
Mostly sunny, with a high near 77.
Thursday Night - 66°F
Dec 25, 2025
8 mph SE
Mostly Clear
Mostly clear, with a low around 66.

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