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Water temperature in Discovery Bay (WA) in March

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Is it warm enough to swim in Discovery Bay in March? Average water temperature in Discovery Bay in March is 46.2°F and therefore is not suitable for comfortable swimming. The warmest sea in Discovery Bay in March is 50°F, and the coldest is 44.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Discovery Bay

Changes water temperature in Discovery Bay in March 2025, 2024

To get an accurate forecast for the water temperature in Discovery Bay for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Discovery Bay, 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 146.2°F47.1°F44.2°F48°F
March 246°F47.1°F44.4°F48.2°F
March 346.2°F47.1°F45°F48.2°F
March 446.2°F46.9°F45°F48°F
March 545.5°F46.9°F44.8°F48.7°F
March 646°F47.1°F44.6°F48.6°F
March 746.2°F47.1°F44.6°F48.4°F
March 846°F46.9°F44.8°F48.4°F
March 946.9°F46.9°F44.8°F48.2°F
March 1046.8°F46.6°F44.4°F48.4°F
March 1146.8°F46.8°F44.2°F48.4°F
March 1246.6°F46.8°F44.1°F47.8°F
March 1346.4°F46.8°F44.2°F47.8°F
March 1446.2°F46.6°F44.2°F48°F
March 1546.2°F46.2°F44.4°F48°F
Day 2025 2024 Min Max
March 1646.4°F47.3°F44.6°F48.2°F
March 1746.2°F47.1°F44.8°F48.4°F
March 1845.9°F48.4°F45°F48.4°F
March 1946°F47.7°F45°F48.4°F
March 2046°F47.7°F45.1°F48.6°F
March 2146.2°F47.7°F45°F48.6°F
March 2246°F47.7°F44.8°F48.4°F
March 2346.2°F47.7°F45°F48.4°F
March 2446.2°F47.8°F45.1°F48.6°F
March 2546.6°F47.8°F45.5°F48.4°F
March 2646°F47.8°F44.8°F48.7°F
March 2746.9°F47.8°F45.1°F48.9°F
March 2847.1°F47.7°F45.3°F48.9°F
March 2946.8°F47.7°F45.5°F49.1°F
March 3046.9°F47.8°F45.7°F49.5°F
March 3146.9°F48.2°F45.7°F50°F
Discovery Bay water temp chart in March

Average water temperature in Discovery Bay in March over a decade

20162017201820192020
48.4°F46.2°F46.2°F46.4°F46.2°F
20212022202320242025
46.2°F46.2°F45.3°F47.3°F46.4°F

Discovery Bay sea state in March

Chart comparing the height of waves in Discovery Bay 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 Discovery Bay in March

Discovery Bay 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
Sequim46.2°F44.1°F50°F
Camano46.4°F43.3°F50.5°F
Freeland46.6°F44.2°F50.4°F
Lofall46.6°F44.4°F50.4°F
Mutiny Bay46.6°F44.2°F50.4°F
Hansville46.6°F44.2°F50.4°F
Bowman Bay46.2°F43.7°F49.8°F
Deception Pass46.2°F43.7°F49.8°F
Langley46.4°F43.7°F50.4°F
San Juan Islands46°F43.9°F49.6°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 Discovery Bay 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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