Sitka water temp
This data the coastal Sitka 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 Sitka
Water temperature in Sitka today is 54°F. Based on our historical data over a period of ten years, the warmest water in this day in Sitka was recorded in 2019 and was 54.9°F, and the coldest was recorded in 2015 at 51.4°F. Sea water temperature in Sitka is expected to drop to 52.2°F in the next 10 days. September average water temperature in Sitka is 54.1°F, the minimum temperature is 50.5°F, and the maximum is 58.3°F.
Throughout the year, the water temperature in Sitka does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Sitka in winter reaches 43°F, in spring 44.1°F, in summer the average temperature rises to 54.3°F, and in autumn it is 50°F.
Sitka water temperature now
| September 20, 2025 |
|---|
| today temp |
| 54°F |
| September 19, 2025 |
|---|
| yesterday temp |
| 54.3°F |
The ocean salinity in Sitka is 31.72‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Sitka 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 Sitka. 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 Sitka. Data in table shown for September 20, 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' 4" | 5' 3" | 5' 1" | 4' 11" |
| 1.63 m | 1.59 m | 1.56 m | 1.5 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 4' 8" | 4' 6" | 4' 6" | 4' 9" |
| 1.42 m | 1.36 m | 1.36 m | 1.44 m |
Surf report in Sitka
Sitka weather forecast
Current temperature and weather
Data in a table show Sitka temperature today (September 20, 2025). For more information and forecast for a few days, go to the weather forecast Sitka.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | |  | |
| 54.3°F | 54.1°F | 53.6°F | 52.2°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  |  | |
| 51.8°F | 51.6°F | 51.3°F | 51.3°F |
You may also be interested in other sections of our site for Sitka: Sunrise and Sunset, Tides
Sitka water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Sitka. 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 Sitka 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 | 42.8°F | 40.3°F | 45.3°F | cold |
| Ocean water temperature in Sitka in January | ||||
| February | 41.7°F | 39.4°F | 43.9°F | cold |
| Ocean water temperature in Sitka in February | ||||
| March | 41.4°F | 39°F | 45°F | cold |
| Ocean water temperature in Sitka in March | ||||
| April | 43.3°F | 39°F | 48°F | cold |
| Ocean water temperature in Sitka in April | ||||
| May | 47.3°F | 43°F | 52.7°F | cold |
| Ocean water temperature in Sitka in May | ||||
| June | 51.4°F | 46.9°F | 56.3°F | cold |
| Ocean water temperature in Sitka in June | ||||
| July | 55°F | 50.2°F | 60.8°F | cold |
| Ocean water temperature in Sitka in July | ||||
| August | 56.7°F | 50.4°F | 60.8°F | cold |
| Ocean water temperature in Sitka in August | ||||
| September | 54.1°F | 50.5°F | 58.3°F | cold |
| Ocean water temperature in Sitka in September | ||||
| October | 49.6°F | 46°F | 53.8°F | cold |
| Ocean water temperature in Sitka in October | ||||
| November | 46.4°F | 43.3°F | 49.8°F | cold |
| Ocean water temperature in Sitka in November | ||||
| December | 44.2°F | 41.2°F | 47.5°F | cold |
| Ocean water temperature in Sitka in December | ||||
Chart monthly average water temperature in Sitka
