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Water temperature in County Line Beach (CA) in March

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Is it warm enough to swim in County Line Beach in March? Average water temperature in County Line Beach in March is 57.4°F and therefore is not suitable for comfortable swimming. The warmest sea in County Line Beach in March is 63.1°F, and the coldest is 52.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in County Line Beach

Changes water temperature in County Line Beach in March 2025, 2024

To get an accurate forecast for the water temperature in County Line 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 County Line Beach, 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 157.7°F59.7°F54.3°F61.3°F
March 257.6°F59.5°F53.8°F61.3°F
March 355.9°F59.4°F54.9°F61.3°F
March 455.6°F59°F55.2°F61°F
March 555.8°F58.8°F55.4°F61°F
March 654.7°F59°F54.7°F61.2°F
March 752.9°F58.8°F52.9°F61.3°F
March 852.9°F58.8°F52.9°F61.5°F
March 954.5°F57.9°F54.3°F61.3°F
March 1054°F58.3°F54°F61.5°F
March 1154°F58.3°F53.6°F61.3°F
March 1254.7°F57.6°F53.8°F61.5°F
March 1355°F58.1°F54.1°F62.1°F
March 1454.7°F56.8°F54.1°F61.9°F
March 1553.4°F56.7°F53.4°F62.1°F
Day 2025 2024 Min Max
March 1654°F57.7°F54°F62.2°F
March 1755°F58.1°F53.8°F62.2°F
March 1854.9°F57.9°F54°F62.2°F
March 1953.6°F58.3°F53.6°F62.4°F
March 2055°F58.8°F53.1°F62.6°F
March 2154.9°F59°F53.4°F62.4°F
March 2255.6°F58.6°F52.7°F62.1°F
March 2356.8°F59°F54.1°F62.2°F
March 2457.6°F57.9°F53.6°F61.9°F
March 2557.6°F57.2°F53.6°F62.2°F
March 2657.6°F57°F53.1°F62.6°F
March 2757.4°F54.9°F53.6°F62.8°F
March 2857.9°F55.6°F54.5°F62.6°F
March 2956.3°F55.4°F54.7°F62.8°F
March 3056.8°F55.6°F54.9°F63.1°F
March 3157°F56.1°F55.9°F63.1°F
County Line Beach water temp chart in March

Average water temperature in County Line Beach in March over a decade

20162017201820192020
60.1°F58.5°F57.2°F57.2°F59.2°F
20212022202320242025
55.2°F57.4°F55.6°F57.9°F55.6°F

County Line Beach sea state in March

Chart comparing the height of waves in County Line Beach 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 County Line Beach in March

County Line 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 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
Carrillo Beach57.4°F52.7°F63.1°F
Point Mugu57.2°F52.5°F63.1°F
Paradise Cove Beach57.6°F53.1°F63.3°F
Point Dume57.7°F52.9°F63.3°F
Hollywood Beach56.8°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 County Line 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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