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Water temperature in Oceanside (CA) in March

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Is it warm enough to swim in Oceanside in March? Average water temperature in Oceanside in March is 59.4°F and therefore is not suitable for comfortable swimming. The warmest sea in Oceanside in March is 66.4°F, and the coldest is 54.7°F. Average high air temperature in Oceanside in March is 65°F, and average low temperature is 51°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Oceanside

Changes water temperature in Oceanside in March 2025, 2024

To get an accurate forecast for the water temperature in Oceanside for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Oceanside, 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 159.5°F61.3°F56.5°F62.8°F
March 259.5°F61.3°F55.9°F63°F
March 358.3°F61°F55.9°F62.8°F
March 457.6°F60.8°F55.8°F62.8°F
March 556.8°F61.2°F55.6°F62.8°F
March 656.5°F61.2°F55.8°F62.8°F
March 755.8°F61.2°F55.8°F62.4°F
March 856.3°F61°F55.9°F62.4°F
March 956.3°F61°F56.1°F62.6°F
March 1056.8°F61°F56.3°F62.4°F
March 1156.1°F61°F56.1°F62.6°F
March 1256.8°F61.3°F56.8°F62.8°F
March 1357.2°F61.3°F57.2°F63.1°F
March 1457.2°F60.8°F57.2°F63.5°F
March 1557.2°F60.8°F57°F63.5°F
Day 2025 2024 Min Max
March 1657.6°F60.8°F56.7°F63.7°F
March 1758.1°F60.4°F56.5°F63.9°F
March 1857.9°F60.4°F55.9°F63.9°F
March 1957.6°F60.8°F55.4°F63.9°F
March 2057.9°F61.2°F54.7°F64.4°F
March 2158.1°F62.1°F55.2°F64.8°F
March 2258.6°F62.6°F55.6°F64.8°F
March 2359.5°F61.9°F56.1°F64.4°F
March 2459.4°F60.4°F56.5°F64.2°F
March 2559°F58.6°F56.3°F64.8°F
March 2658.6°F59.2°F56.7°F65.5°F
March 2759.4°F59°F56.5°F65.8°F
March 2859.2°F59.2°F56.5°F65.8°F
March 2959°F59°F56.8°F66.2°F
March 3059°F58.5°F56.7°F66.4°F
March 3159.2°F58.1°F56.8°F66.4°F
Oceanside water temp chart in March

Average water temperature in Oceanside in March over a decade

20162017201820192020
62.1°F60.8°F58.8°F59°F60.8°F
20212022202320242025
58.3°F59.9°F57.6°F60.6°F57.9°F

Oceanside sea state in March

Chart comparing the height of waves in Oceanside 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 Oceanside in March

Weather and climate in Oceanside in March

This data display average monthly climate indicators in Oceanside in March based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature65°F
  • Average LOW temperature51°F
  • Average rainfall53mm/2.1''

Oceanside 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
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
Encinitas59.5°F55.6°F66.4°F
Moonlight Beach59.5°F55.6°F66.4°F
Cardiff59.5°F55.6°F66.4°F
San Elijo State Beach59.5°F55.6°F66.4°F
Swami's Beach59.5°F55.6°F66.4°F

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Oceanside has a "Blue Flag" [1] award

Sandy beach

This place is suitable for families with children

Current rating: 4,5 (4 votes cast)

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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 Oceanside 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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