Kenai water temp

This data the coastal Kenai 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 Kenai

Water temperature in Kenai today is 55.2°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Alaska near Kenai was recorded in 2019 and was 56.3°F, and the coldest was recorded in 2011 at 52.2°F. Sea water temperature in Kenai is expected to drop to 53.2°F in the next 10 days. September average water temperature in Kenai is 53.1°F, the minimum temperature is 49.3°F, and the maximum is 57.7°F.

Throughout the year, the water temperature in Kenai does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Kenai in winter reaches 35.2°F, in spring 36.9°F, in summer the average temperature rises to 52.5°F, and in autumn it is 47.3°F.

Kenai water temperature now

The ocean salinity in Kenai is 27.08‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Kenai 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 Kenai. 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 Kenai. 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)

Surf report in Kenai

Kenai weather forecast

Current temperature and weather

Data in a table show Kenai temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Kenai.

0-3 h	3-6 h	6-9 h	9-12 h
55.8°F	55.6°F	55.2°F	54.9°F

12-15 h	15-18 h	18-21 h	21-24 h
55.9°F	54.7°F	54.7°F	54.7°F

Kenai water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Kenai. 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 Kenai 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

Chart monthly average water temperature in Kenai

The nearest beaches and cities from Kenai with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Cook Inlet	54.7°F	53.6°F		1' 11"
Anchor Point	52°F	53.6°F		1' 11"
Homer	53.1°F	50°F		0' 11"
Seward	54.9°F	55.4°F		0' 9"
Whittier	51.1°F	59°F		0' 0"
Prince William Sound	57°F	53.6°F		0' 10"
Valdez	53.2°F	53.6°F		0' 8"
Kodiak	53.2°F	55.4°F		1' 0"
Bristol Bay	55°F	55.4°F		2' 4"
Togiak	55.2°F	55.4°F		0' 7"

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Our report for Kenai 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.