World sea water temperatures

Water temperature in Marietta (WA) in March

Is it warm enough to swim in Marietta in March? Average water temperature in Marietta in March is 45.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Marietta in March is 50.4°F, and the coldest is 42.6°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 March 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 March.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
March 145.9°F46°F43.7°F47.3°F
March 245.9°F46.2°F43.9°F47.7°F
March 345.9°F46.2°F44.1°F47.5°F
March 445.9°F46.2°F43.9°F47.5°F
March 546.2°F46.2°F43.9°F48°F
March 646°F45.7°F43.7°F48°F
March 745.9°F45.7°F43.7°F48°F
March 845.9°F45.7°F43.5°F47.8°F
March 945.7°F45.7°F42.6°F47.8°F
March 1045.5°F45.7°F43.3°F48°F
March 1145.5°F45.7°F43.5°F47.7°F
March 1245.5°F45.5°F43.9°F48°F
March 1345.5°F45.7°F44.1°F48°F
March 1445.7°F45.7°F44.2°F49.3°F
March 1545.7°F45.9°F44.4°F49.5°F
Day 2025 2024 Min Max
March 1645.9°F45.7°F44.6°F49.6°F
March 1746°F46.6°F44.6°F49.8°F
March 1845.9°F45.9°F44.8°F49.6°F
March 1945.9°F46.8°F44.8°F49.6°F
March 2046.2°F46.6°F44.4°F50.2°F
March 2146°F46.8°F44.8°F50.4°F
March 2246°F46.9°F44.8°F50°F
March 2346°F46.9°F44.8°F49.3°F
March 2446°F47.5°F44.8°F49.3°F
March 2546.4°F48°F45°F49.5°F
March 2646.4°F47.7°F45°F49.6°F
March 2746.4°F47.8°F45°F49.6°F
March 2846.4°F47.7°F45°F49.5°F
March 2947.1°F47.7°F45°F49.5°F
March 3046.4°F48.4°F45.1°F49.3°F
March 3146.4°F48°F44.8°F50.2°F
Marietta water temp chart in March

Average water temperature in Marietta in March over a decade

20162017201820192020
47.7°F45.1°F46°F45.5°F46°F
20212022202320242025
45.7°F45.7°F45.3°F46.6°F46°F

Marietta sea state in March

Chart comparing the height of waves in Marietta 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 Marietta in March

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 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

Temperature in neighboring cities

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

AvrMinMax
Lummi Island45.9°F43°F50.5°F
Blaine45.9°F43.5°F49.6°F
Eastsound45.9°F43.9°F49.6°F
Orcas Island45.9°F43.9°F49.6°F
White Rock45.9°F43.5°F49.8°F
Crescent Beach45.9°F43.3°F49.8°F
Boundary Bay45.9°F43.3°F49.8°F
Point Roberts45.9°F43.3°F49.5°F
Olga45.9°F43.7°F49.8°F
Anacortes46°F43.5°F50.2°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 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.

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