Measurements:
°C
°F
Sitka
18°F
SW 11 mph
Feels like: 0°F
Precip: 0%
World Resorts USA Sitka Weather

Sitka Sea Water Temperature

Current Sea Water Temperature:
+40.6°F
Maximum Sea Water Temperature in February: 42.2°F
Minimum Sea Water Temperature in February: 39.4°F
Average water temperature in February: 40.7°F

Sea Water Temperature for the Last 10 Days:

February 21 40.6°F February 16 41.2°F
February 20 40.4°F February 15 41.8°F
February 19 41.4°F February 14 42.2°F
February 18 41.4°F February 13 42.0°F
February 17 41.4°F February 12 42.0°F

When is the Warmest Sea for Sitka?

According to our data for the last three years for Sitka the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Sitka was 58.8°F. The maximum and minimum values were 57.8°F and 60.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Sitka was 55.4°F. The maximum and minimum values were 52.8°F and 58.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sitka was 55.3°F. The maximum and minimum values were 53.0°F and 58.2°F respectively.

Best Time to Visit Sitka
The most sunny months:
May 5 days
March 5 days
April 5 days
The most warm months:
August 59.5 °F
July 58.6 °F
June 54.7 °F
Warmest sea temperature:
August 58.3 °F
July 55.7 °F
September 55.0 °F
The most cold months:
December 29.9 °F
January 30.6 °F
February 30.7 °F
The most rainy months:
October 7 days
January 6 days
February 6 days
The most windy months:
December 7 mph
January 7 mph
November 7 mph

Sitka on the Weather Map

USA Resorts:
NAME
Chicago +28
Hawaii +70
Honolulu +70
Houston +74
Las Vegas +34
Los Angeles +40
Maui +66
Miami +74
Miami Beach +78
New York +38
San Diego +44
San Francisco +42
Sarasota +68
Tampa +70
Washington +38
24 Hours Weather Forecast
Sitka
Local time: 05:42
21 feb, saturday
0600 18°F
SW
11 mph
0900 16°F
SW
12 mph
1200 16°F
SW
11 mph
1500 18°F
SW
11 mph
1800 14°F
SW
11 mph
2100 10°F
SW
11 mph
22 feb, sunday
0000 8°F
SW
11 mph
0300 6°F
SW
11 mph