World sea water temperatures

Water temperature in Anacortes (WA) in May

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Is it warm enough to swim in Anacortes in May? Average water temperature in Anacortes in May is 51.1°F and therefore is not suitable for comfortable swimming. The warmest sea in Anacortes in May is 57.7°F, and the coldest is 47.1°F. Average high air temperature in Anacortes in May is 64°F, and average low temperature is 46°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Anacortes

Changes water temperature in Anacortes in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 150.2°F49.3°F47.1°F54.7°F
May 249.6°F49.5°F47.3°F55.2°F
May 349.6°F50.4°F47.3°F56.3°F
May 450.5°F50.4°F47.3°F55.9°F
May 551.1°F50.2°F47.5°F55.6°F
May 651.4°F50.2°F47.8°F55.4°F
May 751.3°F50°F47.5°F55.2°F
May 852.7°F50°F47.5°F55.2°F
May 952.3°F51.1°F47.7°F55.2°F
May 1052°F51.4°F47.8°F55°F
May 1152.2°F51.6°F47.8°F55.2°F
May 1252.5°F51.4°F48°F56.3°F
May 1352.5°F52°F48.2°F57.2°F
May 1451.8°F52°F48.4°F57.7°F
May 1551.6°F51.3°F48.7°F56.1°F
Day 2025 2024 Min Max
May 1651.6°F52.9°F49.1°F55.4°F
May 1751.3°F51.8°F49.5°F55.4°F
May 1850°F52.7°F49.5°F55.2°F
May 1950.2°F52.5°F49.5°F55°F
May 2050.2°F52.9°F49.1°F55.2°F
May 2149.8°F52.3°F49.5°F55.2°F
May 2250.5°F52.3°F49.6°F54.9°F
May 2351.6°F52.9°F49.1°F55.2°F
May 2452.3°F52.9°F49.1°F55°F
May 2553.1°F52.5°F49.5°F55.2°F
May 2654°F52.3°F49.1°F54.5°F
May 2754.7°F52.2°F48.9°F54.7°F
May 2854.7°F51.8°F49.3°F55°F
May 2953.4°F50.4°F48.9°F54.9°F
May 3053.1°F50.9°F49.1°F54.7°F
May 3154.3°F50.9°F49.3°F55.4°F
Anacortes water temp chart in May

Average water temperature in Anacortes in May over a decade

20162017201820192020
55.4°F53.1°F52.5°F52.5°F51.4°F
20212022202320242025
51.3°F50.4°F51.6°F51.4°F51.8°F

Anacortes sea state in May

Chart comparing the height of waves in Anacortes in May 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 Anacortes in May

Weather and climate in Anacortes in May

This data display average monthly climate indicators in Anacortes in May 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 temperature64°F
  • Average LOW temperature46°F
  • Average rainfall days9 days
  • Average rainfall41mm/1.6''
  • Average daylight15h
  • Average sunshine8h
  • Average UV index6

Anacortes 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 May?

Want to know where the water temperature in May 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 May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Olga50.2°F46.9°F55.9°F
Lopez Island49.8°F46.9°F54.7°F
Bowman Bay51.3°F47.5°F56.5°F
Deception Pass51.3°F47.5°F56.5°F
Lummi Island51.4°F46.9°F59°F
Oak Harbor50.9°F47.5°F55.8°F
San Juan Islands49.5°F46.8°F53.2°F
Bellingham52.3°F47.1°F59.9°F
Friday Harbor49.8°F46.9°F54.1°F
Eastsound50.7°F47.1°F57.2°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 Anacortes 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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