Current sea water temperature:
+53.4°F
| Minimum sea water temperature in August: | 62.2°F |
| Maximum sea water temperature in August: | 50.9°F |
| Average sea water temperature in August: | 57.1°F |
| more information | |
14 days
forecast
forecast
| Cannon Beach |
monthly
weather
weather
| Cannon Beach |
Sea water temperature for the last 10 days:
| August 16 | 53.4°F | August 11 | 53.1°F |
| August 15 | 55.4°F | August 10 | 52.9°F |
| August 14 | 54.7°F | August 9 | 54.7°F |
| August 13 | 54.1°F | August 8 | 55.8°F |
| August 12 | 52.7°F | August 7 | 54.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Cannon Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cannon Beach was noticed in August, July and September.
Monthly Sea Temperatures in Cannon Beach, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 56.0°F. The highest and lowest sea temperatures during the month were 61.0°F and 52.7°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 56.2°F. The highest and lowest sea temperatures during the month were 60.1°F and 51.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 58.5°F and 49.8°F.
current
weather
weather
| Cannon Beach |
weather in
August
August
| Cannon Beach |
Best time for vacation in Cannon Beach
Cannon Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Cannon Beach
Local time: 22:55
August 17, monday
0000
54°F
S
4 mph
4 mph
0300
54°F
S
5 mph
5 mph
0600
54°F
SW
4 mph
4 mph
0900
59°F
S
4 mph
4 mph
1200
64°F
SE
6 mph
6 mph
1500
66°F
SE
7 mph
7 mph
1800
63°F
SE
7 mph
7 mph
2100
57°F
SE
5 mph
5 mph
