Current sea water temperature:
+55.6°F
| Minimum sea water temperature in May: | 57.9°F |
| Maximum sea water temperature in May: | 48.7°F |
| Average sea water temperature in May: | 53.6°F |
| more information | |
14 days
forecast
forecast
| Cannon Beach |
monthly
weather
weather
| Cannon Beach |
Sea water temperature for the last 10 days:
| May 19 | 55.6°F | May 14 | 54.5°F |
| May 18 | 55.4°F | May 13 | 53.8°F |
| May 17 | 55.2°F | May 12 | 55.0°F |
| May 16 | 55.6°F | May 11 | 55.2°F |
| May 15 | 55.4°F | May 10 | 54.3°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:
2025
2024
2023
The average sea water temperature in August of 2025 was 57.2°F. The highest and lowest sea temperatures during the month were 60.1°F and 54.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 52.8°F. The highest and lowest sea temperatures during the month were 55.2°F and 49.8°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
May
May
| 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: 05:30
May 19, tuesday
0600
52°F
N
6 mph
6 mph
0900
54°F
N
7 mph
7 mph
1200
54°F
E
6 mph
6 mph
1500
55°F
SE
8 mph
8 mph
1800
54°F
SE
10 mph
10 mph
2100
52°F
SE
9 mph
9 mph
May 20, wednesday
0000
52°F
S
7 mph
7 mph
0300
50°F
S
8 mph
8 mph
