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Water temperature in San Miguel Island (CA) in April

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Is it warm enough to swim in San Miguel Island in April? Average water temperature in San Miguel Island in April is 54.3°F and therefore is not suitable for comfortable swimming. The warmest sea in San Miguel Island in April is 59.2°F, and the coldest is 50.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in San Miguel Island

Changes water temperature in San Miguel Island in April 2025, 2024

To get an accurate forecast for the water temperature in San Miguel 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 Miguel Island, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 154.9°F57.2°F52°F57.7°F
April 253.4°F57.6°F52.5°F57.6°F
April 353.2°F57.4°F52.7°F57.4°F
April 453.2°F56.5°F52°F56.5°F
April 553.1°F55.9°F52°F56.8°F
April 653.4°F55.4°F51.6°F57.7°F
April 753.6°F54.7°F51.1°F57°F
April 852.9°F54.3°F51.1°F57.6°F
April 952.9°F54.1°F50.9°F57.2°F
April 1053.2°F54.7°F50.4°F57.4°F
April 1153.8°F55°F51.1°F57.6°F
April 1254.1°F55°F51.8°F57.6°F
April 1352.9°F55.9°F51.8°F57°F
April 1453.1°F54.9°F51.8°F56.5°F
April 1553.8°F55°F51.6°F57.6°F
Day 2025 2024 Min Max
April 1654.7°F54.3°F51.8°F57.4°F
April 1755.6°F54.5°F51.6°F57.4°F
April 1855.8°F54.9°F51.8°F57.9°F
April 1954.5°F55°F51.6°F59°F
April 2054.1°F56.1°F51.3°F59°F
April 2154.7°F55.4°F50.9°F58.8°F
April 2254.1°F55.8°F51.3°F59.2°F
April 2355.2°F56.1°F51.3°F58.8°F
April 2454.7°F56.3°F51.4°F57.4°F
April 2554.9°F56.3°F51.8°F56.5°F
April 2655.4°F55.2°F51.4°F57°F
April 2755.6°F54°F51.8°F57.4°F
April 2854.1°F53.8°F51.6°F57.2°F
April 2954.1°F53.4°F51.4°F57.6°F
April 3054.3°F51.8°F51.3°F57.7°F
San Miguel Island water temp chart in April

Average water temperature in San Miguel Island in April over a decade

20162017201820192020
56.5°F54.5°F54.1°F55.8°F56.1°F
20212022202320242025
53.1°F53.4°F52.5°F55.2°F54.1°F

San Miguel Island sea state in April

Chart comparing the height of waves in San Miguel Island in April 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 Miguel Island in April

San Miguel 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 April?

Want to know where the water temperature in April 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 April

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

AvrMinMax
San Diego60.4°F54.1°F66.6°F
Santa Monica58.6°F54°F63.9°F
La Jolla Cove61.2°F55.6°F68.7°F
Lake Tahoe44.6°F40.8°F52.7°F
Los Angeles58.8°F54.9°F63.7°F
Refugio Beach55.6°F51.1°F60.6°F
Capitan55.8°F51.4°F60.6°F
Santa Cruz Island57°F53.1°F62.1°F
Haskell's Beach56.1°F52°F61.5°F
Goleta56.3°F52.3°F62.1°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 Miguel 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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