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Water temperature in Channel Islands of California (CA) in March

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Is it warm enough to swim in Channel Islands of California in March? Average water temperature in Channel Islands of California in March is 56.3°F and therefore is not suitable for comfortable swimming. The warmest sea in Channel Islands of California in March is 61.5°F, and the coldest is 52.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Channel Islands of California

Changes water temperature in Channel Islands of California in March 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
March 155.9°F57.6°F53.6°F60.4°F
March 255.6°F58.3°F53.2°F60.3°F
March 354.1°F58.3°F53.8°F60.1°F
March 454.1°F57.9°F54°F59.7°F
March 554.1°F57.9°F53.8°F59.9°F
March 654.7°F58.3°F53.8°F59.7°F
March 753.8°F58.1°F53.1°F60.3°F
March 853.8°F57.2°F53.4°F60.4°F
March 954.3°F57.4°F53.8°F59.9°F
March 1054.3°F58.3°F54°F60.3°F
March 1154.5°F57.4°F53.6°F60.4°F
March 1254°F57.4°F52.9°F60.4°F
March 1354.7°F56.5°F53.2°F61°F
March 1453.8°F56.7°F53.4°F61.2°F
March 1554°F57.2°F54°F61.5°F
Day 2025 2024 Min Max
March 1653.2°F57°F53.2°F61.2°F
March 1753.8°F57.4°F53.6°F60.8°F
March 1853.8°F57.6°F53.2°F60.4°F
March 1953.4°F57.9°F53.4°F60.3°F
March 2053.8°F57.4°F52.9°F60.8°F
March 2154.1°F57.9°F53.4°F60.6°F
March 2254.1°F56.5°F53.6°F60.1°F
March 2354.9°F57.4°F52.9°F60.3°F
March 2455.6°F56.5°F53.1°F59.5°F
March 2555.6°F56.3°F53.2°F59.5°F
March 2655.8°F55.6°F53.6°F59.9°F
March 2755.4°F55.2°F53.6°F60.8°F
March 2854.3°F55.9°F53.4°F60.6°F
March 2953.2°F55.2°F53.2°F61.2°F
March 3053.6°F55.4°F53.6°F61.3°F
March 3153.8°F55.4°F53.4°F61.2°F
Channel Islands of California water temp chart in March

Average water temperature in Channel Islands of California in March over a decade

20162017201820192020
59°F57°F56.5°F56.5°F58.1°F
20212022202320242025
54.3°F56.1°F54°F57°F54.3°F

Channel Islands of California sea state in March

Chart comparing the height of waves in Channel Islands of California in March 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 Channel Islands of California in March

Channel Islands of California 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 March?

Want to know where the water temperature in March 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 March

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

AvrMinMax
San Diego59.2°F55.6°F66°F
Santa Monica57.9°F53.6°F63.5°F
La Jolla Cove59.9°F55.6°F66.6°F
Lake Tahoe42.3°F39.6°F47.7°F
Los Angeles58.1°F54.7°F64°F
Santa Rosa Island56.1°F52.7°F61°F
San Miguel Island55.4°F51.4°F60.6°F
Goleta56.5°F52.3°F63°F
Campus Point Beach56.5°F52.3°F63°F
More Mesa Beach56.5°F52.3°F63°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 Channel Islands of California 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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