World sea water temperatures

Water temperature in Marietta (WA) in July

Is it warm enough to swim in Marietta in July? Average water temperature in Marietta in July is 58.8°F and therefore is not suitable for comfortable swimming. The warmest sea in Marietta in July is 67.5°F, and the coldest is 52°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Marietta

Changes water temperature in Marietta in July 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
July 156.8°F59.5°F52°F62.2°F
July 257°F59.9°F52°F62.1°F
July 357.6°F58.6°F52.5°F61.2°F
July 459°F59°F52.3°F63°F
July 559.5°F58.5°F52.7°F64°F
July 659.9°F57.7°F52.9°F65.1°F
July 761.2°F57.2°F52.7°F66.7°F
July 862.1°F57.2°F53.1°F65.5°F
July 961°F58.1°F53.6°F66.4°F
July 1060.1°F58.5°F53.8°F66.4°F
July 1161°F59.4°F53.8°F66.6°F
July 1258.6°F59.7°F54°F66.7°F
July 1357.6°F59.9°F54°F66.6°F
July 1457.9°F62.1°F53.4°F65.3°F
July 1557.7°F64.2°F54.3°F65.1°F
Day 2025 2024 Min Max
July 1659°F63.1°F54.5°F64.6°F
July 1759.5°F64.9°F54.5°F64.9°F
July 1860.8°F66.6°F54.9°F66.6°F
July 1960.1°F66.4°F55.4°F66.4°F
July 2061°F65.8°F54.9°F66.6°F
July 2161.2°F65.8°F54.9°F65.8°F
July 2260.3°F65.3°F54.9°F65.3°F
July 2362.2°F64.6°F54°F64.6°F
July 2462.4°F64.9°F54.1°F65.3°F
July 2561.2°F62.4°F55.2°F66.2°F
July 2660.8°F63.3°F54.9°F66.2°F
July 2762.4°F61°F54.7°F65.8°F
July 2863.3°F60.8°F54.3°F66.7°F
July 2961.5°F59.9°F54.1°F67.5°F
July 3062.1°F59.2°F53.4°F66.6°F
July 3162.2°F57.7°F53.8°F66.9°F
Marietta water temp chart in July

Average water temperature in Marietta in July over a decade

20162017201820192020
62.6°F58.3°F58.1°F63.7°F62.8°F
20212022202320242025
64.9°F60.4°F61°F61.3°F60.3°F

Marietta sea state in July

Chart comparing the height of waves in Marietta in July 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 Marietta in July

Marietta 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 July?

Want to know where the water temperature in July 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

Temperature in neighboring cities

The nearest locations with the average water temperature in July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Lummi Island56.8°F51.6°F64°F
Blaine60.1°F52.7°F69.8°F
Eastsound56.3°F50.7°F63.5°F
Orcas Island56.3°F50.7°F63.5°F
White Rock61°F53.2°F72.1°F
Crescent Beach61°F53.4°F71.1°F
Boundary Bay61.2°F53.6°F70.2°F
Point Roberts59.5°F52.9°F67.1°F
Olga54.5°F50.7°F60.1°F
Anacortes55.6°F51.1°F61.5°F

Washington photo gallery

  • Mutiny Bay, Robinson Beach, Whidbey Island
  • Mutiny Bay, Robinson Beach, Whidbey Island
  • Washington
  • Liberty Bay - Poulsbo

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 Washington best beach

Current rating: (0 votes cast)

If you know this place (Marietta) 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 Marietta 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