World sea water temperatures

Water temperature in Costa Mesa (CA) in June

Home > United States > California > Costa Mesa

Is it warm enough to swim in Costa Mesa in June? Average water temperature in Costa Mesa in June is 65.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Costa Mesa in June is 71.1°F, and the coldest is 59.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Costa Mesa

Changes water temperature in Costa Mesa in June 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
June 165.7°F62.1°F60.1°F69.1°F
June 265.7°F62.2°F59.4°F68.9°F
June 365.8°F62.6°F59.4°F68.9°F
June 465.5°F62.8°F60.6°F68.2°F
June 564.9°F64.2°F60.8°F68.2°F
June 665.5°F64°F61.9°F67.5°F
June 765.1°F64.2°F62.2°F66.7°F
June 864°F64.4°F62.2°F67.1°F
June 964.2°F64.4°F62.4°F67.1°F
June 1064.2°F64.6°F62.8°F67.1°F
June 1164.6°F64°F62.2°F67.5°F
June 1264.8°F64.6°F63°F67.5°F
June 1365.1°F64.8°F63.1°F67.6°F
June 1465.7°F64.9°F62.8°F67.8°F
June 1565.8°F65.7°F63.5°F69.3°F
Day 2025 2024 Min Max
June 1666.2°F67.5°F63.7°F68.9°F
June 1766.4°F67.6°F63.5°F68.7°F
June 1867.5°F65.8°F64°F67.6°F
June 1967.1°F65.1°F64°F67.5°F
June 2067.1°F65.7°F64.6°F69.3°F
June 2167.1°F66.4°F64.2°F71.1°F
June 22 67.3°F64°F70.7°F
June 2368.7°F68.9°F63.5°F70.7°F
June 2468.2°F69.4°F63.1°F70°F
June 2568°F68.5°F63.1°F69.6°F
June 2667.8°F68°F63.5°F70.2°F
June 2768°F68.2°F63.7°F70°F
June 2868.7°F68.7°F64.4°F70.3°F
June 2969.1°F68.7°F63.5°F70.3°F
June 3067.6°F68.4°F63.3°F70.5°F
Costa Mesa water temp chart in June

Average water temperature in Costa Mesa in June over a decade

20162017201820192020
66.7°F65.1°F66.2°F65.3°F66.6°F
20212022202320242025
64.9°F66.6°F63.5°F65.8°F66.4°F

Costa Mesa sea state in June

Chart comparing the height of waves in Costa Mesa in June 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 Costa Mesa in June

Costa Mesa 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 June?

Want to know where the water temperature in June 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 June

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

AvrMinMax
San Diego65.5°F61°F70.5°F
Santa Monica64.6°F55°F70.2°F
La Jolla Cove66.6°F61.5°F71.1°F
Lake Tahoe57.9°F50.7°F69.1°F
Los Angeles63.3°F58.6°F68.9°F
Balboa Peninsula65.8°F59.2°F71.2°F
The Wedge65.8°F59.2°F71.2°F
Divers Cove65.8°F59.4°F71.1°F
Laguna Beach66°F59.9°F71.4°F
Dana Point66°F59.9°F71.4°F

California photo gallery

  • California
  • Lake tahoe Balloon rides
  • California
  • California

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Vote for California best beach

Current rating: (0 votes cast)

If you know this place (Costa Mesa) and want to leave your comment or rate it, then fill out the following form.

Your rating for this place:

Does this place have a "Blue Flag" award [1], are there rip currents and what type of beach is it, sand or pebble:

Is the beach a dog-friendly place, child friendly or a nudist beach?


Your comments for this place (water quality, crowds, facilities, activities, lifeguards, service etc.):



[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.

Get widget or API for your website

Our report for Costa Mesa 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.

Contact us: admin@seatemperature.info
privacy policy