Current sea water temperature:
+60.4°F
| Minimum sea water temperature in July: | 63.7°F |
| Maximum sea water temperature in July: | 55.0°F |
| Average sea water temperature in July: | 59.0°F |
| more information | |
14 days
forecast
forecast
| Ketchikan |
monthly
weather
weather
| Ketchikan |
Sea water temperature for the last 10 days:
| July 30 | 60.4°F | July 25 | 60.1°F |
| July 29 | 60.4°F | July 24 | 60.4°F |
| July 28 | 59.9°F | July 23 | 59.5°F |
| July 27 | 59.9°F | July 22 | 59.2°F |
| July 26 | 60.1°F | July 21 | 58.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Ketchikan?
Based on the data about daily sea water temperature for the last three years the warmest sea in Ketchikan was noticed in August, July and September.
Monthly Sea Temperatures in Ketchikan, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 59.5°F. The highest and lowest sea temperatures during the month were 61.5°F and 57.7°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 58.0°F. The highest and lowest sea temperatures during the month were 60.4°F and 55.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 57.1°F. The highest and lowest sea temperatures during the month were 63.1°F and 52.9°F.
current
weather
weather
| Ketchikan |
weather in
August
August
| Ketchikan |
Best time for vacation in Ketchikan
Ketchikan on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Ketchikan
Local time: 06:17
July 30, thursday
0900
55°F
SW
2 mph
2 mph
1200
59°F
NW
1 mph
1 mph
1500
57°F
NE
2 mph
2 mph
1800
55°F
S
2 mph
2 mph
2100
54°F
SW
2 mph
2 mph
July 31, friday
0000
54°F
SW
3 mph
3 mph
0300
54°F
SW
3 mph
3 mph
0600
54°F
W
4 mph
4 mph
