World sea water temperatures

Water temperature in Crystal Beach (TX) in May

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Is it warm enough to swim in Crystal Beach in May? Average water temperature in Crystal Beach in May is 77.9°F and therefore suitable for comfortable swimming. The warmest sea in Crystal Beach in May is 84.6°F, and the coldest is 69.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Crystal Beach

Changes water temperature in Crystal Beach in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 178.3°F75.4°F72°F78.3°F
May 278.4°F76.1°F71.6°F78.4°F
May 378.1°F74.7°F71.2°F78.1°F
May 477.2°F75.4°F70.5°F77.4°F
May 577.7°F75.9°F70°F78.1°F
May 677°F76.5°F69.8°F79.2°F
May 776.6°F76.6°F70.3°F79.2°F
May 877.2°F78.3°F71.1°F79.9°F
May 977.9°F78.4°F71.4°F80.8°F
May 1077.7°F79.2°F72°F80.8°F
May 1177°F79°F72.1°F81.7°F
May 1276.6°F78.4°F72.9°F82°F
May 1376.8°F78.3°F72.9°F81.9°F
May 1478.6°F78.4°F73.2°F81.5°F
May 1578.4°F79.2°F73.2°F80.6°F
Day 2025 2024 Min Max
May 1678.4°F78.8°F73.8°F82°F
May 1780.1°F79.2°F74.5°F81.5°F
May 1880.2°F78.4°F74.8°F81.1°F
May 1980.4°F80.6°F75.4°F81°F
May 2081.9°F80.4°F75.7°F81.9°F
May 2181.3°F81.1°F74.7°F81.3°F
May 2281.3°F81.1°F75.7°F81.5°F
May 2381.1°F81.1°F76.3°F81.7°F
May 2481.5°F81.9°F76.5°F81.9°F
May 2581.7°F82.2°F77°F82.2°F
May 2682°F82.4°F77°F82.4°F
May 2782.4°F83.5°F77.4°F83.5°F
May 2882.6°F83.3°F77.9°F84°F
May 2983.8°F82.9°F77.5°F84.6°F
May 3082.2°F82.9°F77.7°F84.4°F
May 3182.2°F82°F77.5°F84.6°F
Crystal Beach water temp chart in May

Average water temperature in Crystal Beach in May over a decade

20162017201820192020
78.3°F77°F79.7°F78.8°F77.7°F
20212022202320242025
77°F80.1°F78.4°F79.3°F79.5°F

Crystal Beach sea state in May

Chart comparing the height of waves in Crystal Beach in May 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 Crystal Beach in May

Crystal Beach 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 May?

Want to know where the water temperature in May 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 May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Galveston Bay78.1°F70°F85.1°F
Sunny Beach77.9°F69.8°F84.2°F
Jamaica Beach77.9°F69.8°F84°F
San Luis Pass77.9°F69.8°F84.4°F
Sea Rim State Park77.9°F70°F84.6°F
Surfside Beach77.7°F69.8°F84.4°F
Freeport77.7°F69.8°F84.2°F
Port Arthur77.9°F70.2°F84.4°F
Matagorda77.9°F70°F83.7°F
Palacios78.6°F71.1°F85.5°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 Crystal Beach 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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