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Water temperature in San Nicolas Island (CA) in May

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Is it warm enough to swim in San Nicolas Island in May? Average water temperature in San Nicolas Island in May is 58.1°F and therefore is not suitable for comfortable swimming. The warmest sea in San Nicolas Island in May is 63.1°F, and the coldest is 54.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in San Nicolas Island

Changes water temperature in San Nicolas Island in May 2025, 2024

To get an accurate forecast for the water temperature in San Nicolas Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in San Nicolas Island, 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 156.1°F57°F54.7°F61.2°F
May 256.8°F57.2°F54.9°F61.9°F
May 356.7°F57.2°F54.9°F61.7°F
May 455.9°F57.2°F55.2°F61.9°F
May 555.9°F57.4°F55°F61.3°F
May 656.5°F57.4°F54.9°F60.8°F
May 757.2°F57.6°F55.2°F60.8°F
May 857.4°F57°F54.9°F61.2°F
May 957.9°F57.7°F55°F61.3°F
May 1058.6°F57.2°F55°F60.4°F
May 1158.8°F57.6°F55.4°F60.4°F
May 1258.6°F57.6°F55.6°F61°F
May 1358.5°F57.2°F55.8°F61.3°F
May 1458.3°F57.2°F56.1°F61°F
May 1557.9°F57.2°F57°F61.3°F
Day 2025 2024 Min Max
May 1657.4°F57.7°F57°F61.9°F
May 1758.1°F57.4°F57°F61.7°F
May 1857.6°F57°F56.3°F61°F
May 1958.1°F57.6°F56.5°F60.6°F
May 2058.5°F57.4°F55.2°F60.8°F
May 2158.5°F57.2°F55.6°F61°F
May 2259°F57.6°F55.4°F61°F
May 2359.2°F57.6°F54.7°F60.6°F
May 2458.5°F57.7°F55°F60.6°F
May 2558.8°F56.7°F55°F60.8°F
May 2658.5°F56.5°F55.2°F61.3°F
May 2757.7°F56.8°F55.2°F61.7°F
May 2857.9°F56.3°F55.9°F62.1°F
May 2957.7°F56.7°F54.9°F63.1°F
May 3059°F56.7°F54.9°F62.6°F
May 3159°F56.8°F55.9°F62.1°F
San Nicolas Island water temp chart in May

Average water temperature in San Nicolas Island in May over a decade

20162017201820192020
59.4°F58.3°F57.2°F59°F60.1°F
20212022202320242025
57.4°F57.2°F57.7°F57.2°F57.9°F

San Nicolas Island sea state in May

Chart comparing the height of waves in San Nicolas Island 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 San Nicolas Island in May

San Nicolas Island 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

Best Beach Resorts in California in May

Places with the warmest average sea water temperature in California in May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
San Diego63°F57.4°F68°F
Santa Monica61.3°F55.9°F68.4°F
La Jolla Cove64°F58.1°F69.6°F
Lake Tahoe50.7°F43.9°F59°F
Los Angeles60.8°F56.5°F65.1°F
Santa Barbara Island61°F56.8°F65.3°F
Cortes Bank59°F55.2°F64°F
Santa Cruz Island58.6°F53.4°F64.2°F
Arrow Point62.4°F57.9°F67.5°F
Anacapa Island59.4°F54.1°F64.9°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 San Nicolas Island 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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