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Water temperature in Port Isabel (TX) in January

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Is it warm enough to swim in Port Isabel in January? Average water temperature in Port Isabel in January is 66°F and therefore is not suitable for comfortable swimming. The warmest sea in Port Isabel in January is 76.3°F, and the coldest is 56.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Isabel

Changes water temperature in Port Isabel in January 2025, 2024

To get an accurate forecast for the water temperature in Port Isabel for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Port Isabel, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of January.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
January 171.6°F64.2°F62.4°F76.3°F
January 271.4°F64.6°F61.3°F74.8°F
January 370.2°F64.8°F60.8°F73.6°F
January 470.3°F63.9°F60.4°F72.7°F
January 570.2°F64.6°F59.7°F72.5°F
January 669.4°F64.2°F60.1°F72.1°F
January 769.1°F65.3°F59.4°F71.4°F
January 868.9°F65.5°F58.3°F72.9°F
January 968.7°F65.5°F58.6°F72.7°F
January 1068.5°F65.1°F59.2°F72.1°F
January 1168.2°F65.1°F59.2°F71.6°F
January 1268°F65.1°F59.4°F71.2°F
January 1367.8°F65.1°F59.5°F69.1°F
January 1467.6°F64.9°F59.4°F69.3°F
January 1567.6°F65.1°F59.4°F70.7°F
Day 2025 2024 Min Max
January 1666.2°F65.5°F59.5°F69.8°F
January 1765.3°F65.7°F59.2°F71.8°F
January 1864.4°F65.8°F58.6°F70.9°F
January 1964.4°F65.8°F57.7°F70.3°F
January 2064.6°F66°F57.2°F69.8°F
January 2164.8°F66°F57.7°F69.6°F
January 2264.9°F66°F57.4°F69.4°F
January 2365.1°F65.7°F58.1°F68.5°F
January 2465.1°F65.8°F57.9°F68.5°F
January 2565.3°F65.1°F57.2°F68.5°F
January 2664.8°F66.4°F57.2°F68.5°F
January 2763.3°F65.5°F57°F68.5°F
January 2863.7°F64°F56.8°F69.1°F
January 2964.9°F62.2°F56.7°F69.3°F
January 3065.7°F62.6°F56.8°F68.7°F
January 3163.5°F61°F56.8°F68.2°F
Port Isabel water temp chart in January

Average water temperature in Port Isabel in January over a decade

20162017201820192020
67.5°F66.2°F59.2°F63.5°F67.1°F
20212022202320242025
66.6°F69.1°F64.9°F64.9°F66.9°F

Port Isabel sea state in January

Chart comparing the height of waves in Port Isabel in January over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Port Isabel in January

Port Isabel water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in January?

Want to know where the water temperature in January is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in January. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
South Padre Island66.2°F57.7°F76.1°F
Boca Chica Beach66.6°F60.3°F75.9°F
Brownsville66.6°F59.9°F75.6°F
Playa Bagdad67.3°F61°F75.9°F
Matamoros67.5°F61.5°F75.9°F
Arroyo City65.8°F56.8°F77.9°F
Port Mansfield65.7°F58.8°F77.4°F
Laguna Madre65.5°F59.9°F75.9°F
Padre Island64.4°F54.7°F74.7°F
North Padre Island64.4°F54.7°F74.3°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Port Isabel is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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