World sea water temperatures

Water temperature in Lopez Island (WA) in August

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Is it warm enough to swim in Lopez Island in August? Average water temperature in Lopez Island in August is 54.1°F and therefore is not suitable for comfortable swimming. The warmest sea in Lopez Island in August is 59.5°F, and the coldest is 50.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Lopez Island

Changes water temperature in Lopez Island in August 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 153.2°F53.1°F51.3°F56.7°F
August 253.2°F52.5°F51.1°F56.3°F
August 353.2°F52.2°F51.3°F56.7°F
August 453.2°F52.7°F51.4°F56.8°F
August 554.1°F52.7°F51.8°F57.9°F
August 654.9°F53.2°F51.8°F57.7°F
August 753.6°F52.9°F51.6°F57.2°F
August 852.9°F53.1°F50.5°F57°F
August 953.1°F52.9°F50.2°F57°F
August 1052.3°F53.6°F51.6°F57.7°F
August 1153.4°F53.1°F52°F58.1°F
August 1252.7°F53.6°F52.7°F59°F
August 1353.4°F54°F52°F59.5°F
August 1454.9°F53.1°F52.2°F59°F
August 1555°F53.6°F52.3°F57.7°F
Day 2025 2024 Min Max
August 1656.5°F53.6°F52°F57.7°F
August 1756.3°F53.1°F52.2°F57.9°F
August 1856.1°F53.1°F52.7°F58.1°F
August 1956.5°F52.7°F52.3°F57.6°F
August 2054.1°F53.2°F52.7°F57.6°F
August 2153.2°F52.5°F52.5°F56.8°F
August 2252.7°F53.4°F52.7°F57°F
August 2352.3°F53.4°F52.3°F57°F
August 2452.9°F53.2°F52.5°F56.8°F
August 2553.4°F52.9°F52.5°F56.8°F
August 2654.5°F52.5°F52.2°F57.2°F
August 2754.3°F51.8°F51.8°F56.8°F
August 2854.7°F51.3°F51.3°F56.7°F
August 2954.3°F51.8°F51.8°F56.3°F
August 3053.6°F52.5°F51.8°F55.9°F
August 3154°F52.7°F51.8°F55.8°F
Lopez Island water temp chart in August

Average water temperature in Lopez Island in August over a decade

20162017201820192020
57.2°F54.5°F54.9°F53.8°F54.3°F
20212022202320242025
54.1°F53.6°F54.5°F52.9°F53.6°F

Lopez Island sea state in August

Chart comparing the height of waves in Lopez Island in August 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 Lopez Island in August

Lopez Island 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 August?

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

AvrMinMax
San Juan Islands53.6°F50.2°F58.1°F
Olga55°F50.5°F61.3°F
Bowman Bay56.1°F52°F61.3°F
Deception Pass56.1°F52°F61.3°F
Lummi Island57.2°F50°F64.4°F
Roche Harbor55°F51.1°F61.3°F
Eastsound56.8°F50.9°F63.5°F
Orcas Island56.8°F50.9°F63.5°F
Oak Bay53.1°F50°F56.7°F
Willows Beach53.1°F50°F56.7°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 Lopez Island 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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