This data the coastal Discovery Bay ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Discovery Bay today is 57.4°F. Based on our historical data over a period of ten years, the warmest water in this day in Discovery Bay was recorded in 2019 and was 56.1°F, and the coldest was recorded in 2011 at 50.7°F. Sea water temperature in Discovery Bay is expected to drop to 53.1°F in the next 10 days. September average water temperature in Discovery Bay is 53.1°F, the minimum temperature is 49.8°F, and the maximum is 57.6°F.
Throughout the year, the water temperature in Discovery Bay does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Discovery Bay in winter reaches 46.4°F, in spring 48°F, in summer the average temperature rises to 53.6°F, and in autumn it is 51.1°F.
September 5, 2025 |
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today temp |
57.4°F |
September 4, 2025 |
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yesterday temp |
56.8°F |
The ocean salinity in Discovery Bay is 27.48‰, and the average salinity of the World Ocean is 35‰.
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Discovery Bay. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Discovery Bay. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
0' 9" | 1' 2" | 1' 0" | 0' 8" |
0.24 m | 0.35 m | 0.3 m | 0.2 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
0' 6" | 0' 4" | 0' 3" | 0' 3" |
0.15 m | 0.1 m | 0.07 m | 0.07 m |
Data in a table show Discovery Bay temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Discovery Bay.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
58.5°F | 57.7°F | 57°F | 57.9°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
60.3°F | 61.5°F | 61°F | 59.9°F |
You may also be interested in other sections of our site for Discovery Bay: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Discovery Bay. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Discovery Bay on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 46°F | 41.5°F | 48.4°F | cold |
Ocean water temperature in Discovery Bay in January | ||||
February | 45.9°F | 43.7°F | 48.6°F | cold |
Ocean water temperature in Discovery Bay in February | ||||
March | 46.2°F | 44.1°F | 50°F | cold |
Ocean water temperature in Discovery Bay in March | ||||
April | 47.8°F | 45.3°F | 52.7°F | cold |
Ocean water temperature in Discovery Bay in April | ||||
May | 50.2°F | 47.3°F | 53.8°F | cold |
Ocean water temperature in Discovery Bay in May | ||||
June | 52.2°F | 48.6°F | 56.7°F | cold |
Ocean water temperature in Discovery Bay in June | ||||
July | 54.1°F | 49.5°F | 59.7°F | cold |
Ocean water temperature in Discovery Bay in July | ||||
August | 54.5°F | 50.4°F | 61.2°F | cold |
Ocean water temperature in Discovery Bay in August | ||||
September | 53.1°F | 49.8°F | 57.6°F | cold |
Ocean water temperature in Discovery Bay in September | ||||
October | 50.9°F | 48.2°F | 54.7°F | cold |
Ocean water temperature in Discovery Bay in October | ||||
November | 49.1°F | 45.5°F | 53.8°F | cold |
Ocean water temperature in Discovery Bay in November | ||||
December | 47.1°F | 43°F | 50.2°F | cold |
Ocean water temperature in Discovery Bay in December |