McKinleyville water temp
This data the coastal McKinleyville 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 McKinleyville
Water temperature in McKinleyville today is 55.8°F. Based on our historical data over a period of ten years, the warmest water in this day in McKinleyville was recorded in 2014 and was 61.2°F, and the coldest was recorded in 2018 at 52.7°F. Sea water temperature in McKinleyville is expected to drop to 54.5°F in the next 10 days. September average water temperature in McKinleyville is 55.2°F, the minimum temperature is 49.3°F, and the maximum is 61.2°F.
Throughout the year, the water temperature in McKinleyville does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in McKinleyville in winter reaches 51.4°F, in spring 50.9°F, in summer the average temperature rises to 53.8°F, and in autumn it is 54.1°F.
McKinleyville water temperature now
| September 27, 2025 |
|---|
| today temp |
| 55.8°F |
| September 26, 2025 |
|---|
| yesterday temp |
| 53.6°F |
The ocean salinity in McKinleyville is 34.07‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in McKinleyville 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 McKinleyville. 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 McKinleyville. Data in table shown for September 27, 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 |
|---|---|---|---|
| 8' 6" | 8' 11" | 9' 1" | 8' 11" |
| 2.6 m | 2.72 m | 2.78 m | 2.71 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 8' 7" | 8' 3" | 8' 0" | 7' 10" |
| 2.61 m | 2.51 m | 2.44 m | 2.4 m |
Surf report in McKinleyville
McKinleyville weather forecast
Current temperature and weather
Data in a table show McKinleyville temperature today (September 27, 2025). For more information and forecast for a few days, go to the weather forecast McKinleyville.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 52.9°F | 51.3°F | 50°F | 57.4°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | |  |
| 59°F | 58.5°F | 55.4°F | 54°F |
You may also be interested in other sections of our site for McKinleyville: Sunrise and Sunset, Tides
McKinleyville water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in McKinleyville. 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 McKinleyville 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 | 51.4°F | 48.2°F | 55.9°F | cold |
| Ocean water temperature in McKinleyville in January | ||||
| February | 50.7°F | 47.7°F | 55°F | cold |
| Ocean water temperature in McKinleyville in February | ||||
| March | 50.7°F | 46.6°F | 54.7°F | cold |
| Ocean water temperature in McKinleyville in March | ||||
| April | 50.9°F | 46.8°F | 56.5°F | cold |
| Ocean water temperature in McKinleyville in April | ||||
| May | 51.3°F | 46.9°F | 55.6°F | cold |
| Ocean water temperature in McKinleyville in May | ||||
| June | 52.3°F | 45.1°F | 57.7°F | cold |
| Ocean water temperature in McKinleyville in June | ||||
| July | 53.8°F | 46.6°F | 60.1°F | cold |
| Ocean water temperature in McKinleyville in July | ||||
| August | 55.4°F | 48.7°F | 61.5°F | cold |
| Ocean water temperature in McKinleyville in August | ||||
| September | 55.2°F | 49.3°F | 61.2°F | cold |
| Ocean water temperature in McKinleyville in September | ||||
| October | 53.8°F | 47.8°F | 59.7°F | cold |
| Ocean water temperature in McKinleyville in October | ||||
| November | 53.4°F | 48.9°F | 58.6°F | cold |
| Ocean water temperature in McKinleyville in November | ||||
| December | 52.3°F | 48.6°F | 59°F | cold |
| Ocean water temperature in McKinleyville in December | ||||
Chart monthly average water temperature in McKinleyville
