Los Osos water temp
This data the coastal Los Osos 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.
Current ocean temperature in Los Osos
Water temperature in Los Osos today is 60.8°F. Based on our historical data over a period of ten years, the warmest water in this day in Los Osos was recorded in 2017 and was 62.2°F, and the coldest was recorded in 2010 at 55.2°F. Sea water temperature in Los Osos is expected to drop to 59.4°F in the next 10 days. September average water temperature in Los Osos is 59.4°F, the minimum temperature is 55.2°F, and the maximum is 66.7°F.
Throughout the year, the water temperature in Los Osos does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Los Osos in winter reaches 56.3°F, in spring 54°F, in summer the average temperature rises to 57°F, and in autumn it is 58.8°F.
Los Osos water temperature now
| September 5, 2025 |
|---|
| today temp |
| 60.8°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 62.2°F |
The ocean salinity in Los Osos is 33.63‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Los Osos for today
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 Los Osos. 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 Los Osos. 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 |
|---|---|---|---|
| 5' 0" | 5' 2" | 5' 0" | 4' 10" |
| 1.53 m | 1.57 m | 1.53 m | 1.47 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 4' 8" | 4' 7" | 4' 6" | 4' 7" |
| 1.42 m | 1.39 m | 1.36 m | 1.4 m |
Surf report in Los Osos
Los Osos weather forecast
Current temperature and weather
Data in a table show Los Osos temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Los Osos.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 59.2°F | 57.6°F | 56.5°F | 62.2°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | |  |
| 66.2°F | 66.4°F | 63.1°F | 59.4°F |
You may also be interested in other sections of our site for Los Osos: Sunrise and Sunset, Tides
Los Osos water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Los Osos. 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 Los Osos 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 | 56.3°F | 52.9°F | 61.3°F | cold |
| Ocean water temperature in Los Osos in January | ||||
| February | 55.6°F | 51.3°F | 61.3°F | cold |
| Ocean water temperature in Los Osos in February | ||||
| March | 54.7°F | 50.9°F | 60.3°F | cold |
| Ocean water temperature in Los Osos in March | ||||
| April | 53.2°F | 49.8°F | 57°F | cold |
| Ocean water temperature in Los Osos in April | ||||
| May | 53.8°F | 50.5°F | 57.4°F | cold |
| Ocean water temperature in Los Osos in May | ||||
| June | 55.4°F | 48.6°F | 60.3°F | cold |
| Ocean water temperature in Los Osos in June | ||||
| July | 57°F | 47.8°F | 63.1°F | cold |
| Ocean water temperature in Los Osos in July | ||||
| August | 58.5°F | 53.1°F | 63.3°F | cold |
| Ocean water temperature in Los Osos in August | ||||
| September | 59.4°F | 55.2°F | 66.7°F | cold |
| Ocean water temperature in Los Osos in September | ||||
| October | 59°F | 54.1°F | 68°F | cold |
| Ocean water temperature in Los Osos in October | ||||
| November | 57.9°F | 53.1°F | 64.6°F | cold |
| Ocean water temperature in Los Osos in November | ||||
| December | 57.2°F | 53.4°F | 64.8°F | cold |
| Ocean water temperature in Los Osos in December | ||||
Chart monthly average water temperature in Los Osos
