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Water temperature in Emerald Bay (CA) in April

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Is it warm enough to swim in Emerald Bay in April? Average water temperature in Emerald Bay in April is 44.4°F and therefore is not suitable for comfortable swimming. The warmest water in Emerald Bay in April is 51.4°F, and the coldest is 40.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Emerald Bay

Changes water temperature in Emerald Bay in April 2025, 2024

To get an accurate forecast for the water temperature in Emerald Bay for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Emerald Bay, 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 145.3°F43.2°F41.7°F45.3°F
April 245.1°F43.2°F41.7°F45.3°F
April 345°F43.3°F41.7°F46.2°F
April 444.8°F43.3°F41.9°F45.9°F
April 544.6°F43.2°F41.9°F45.7°F
April 644.4°F43.2°F41.9°F46.4°F
April 744.4°F42.1°F41.9°F47.7°F
April 844.2°F42.3°F41.9°F48.7°F
April 944.4°F42.1°F41.5°F49.3°F
April 1048.2°F42.1°F41.9°F48.7°F
April 1149.5°F44.6°F41.9°F49.5°F
April 1249.3°F45°F41.5°F49.3°F
April 1348.9°F43.9°F41.4°F48.9°F
April 1448.6°F43.7°F41°F48.6°F
April 1548.2°F43.3°F41°F48.2°F
Day 2025 2024 Min Max
April 1647.8°F43.2°F40.6°F47.8°F
April 1748.2°F44.2°F40.6°F48.2°F
April 1848.7°F44.4°F41°F48.7°F
April 1947.8°F44.4°F41.2°F47.8°F
April 2047.3°F44.4°F41.4°F50°F
April 2147.1°F44.4°F41.7°F49.6°F
April 2249.3°F44.4°F42.3°F50°F
April 2349.1°F44.4°F42.6°F50°F
April 2449.1°F44.4°F42.8°F49.6°F
April 2548.7°F44.4°F43°F49.3°F
April 2648.4°F44.4°F43.2°F50.4°F
April 2748.2°F44.6°F43.3°F50°F
April 2847.3°F44.6°F43.3°F49.8°F
April 2948.2°F47.1°F43.3°F51.3°F
April 3048°F50.4°F43.3°F51.4°F
Emerald Bay water temp chart in April

Average water temperature in Emerald Bay in April over a decade

20162017201820192020
46.6°F44.1°F45.5°F43.5°F42.8°F
20212022202320242025
46.9°F46.4°F44.8°F44.1°F47.3°F

Emerald Bay sea state in April

Chart comparing the height of waves in Emerald Bay 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 Emerald Bay in April

Emerald Bay 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
Meeks Bay44.6°F40.6°F52.3°F
Sand Harbor44.6°F40.8°F52°F
Crystal Bay44.6°F40.8°F51.6°F
Hercules56.3°F50.9°F65.7°F
Pinole56.3°F50.9°F65.7°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 Emerald Bay 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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