Current sea water temperature:
+49.3°F
| Minimum sea water temperature in March: | 52.2°F |
| Maximum sea water temperature in March: | 45.9°F |
| Average sea water temperature in March: | 48.6°F |
| more information | |
14 days
forecast
forecast
| Cannon Beach |
monthly
weather
weather
| Cannon Beach |
Sea water temperature for the last 10 days:
| March 18 | 49.3°F | March 13 | 49.6°F |
| March 17 | 49.1°F | March 12 | 49.8°F |
| March 16 | 49.5°F | March 11 | 49.5°F |
| March 15 | 49.6°F | March 10 | 50.4°F |
| March 14 | 49.5°F | March 9 | 51.3°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
March
March
| 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: 14:35
March 18, wednesday
1500
52°F
N
14 mph
14 mph
1800
50°F
N
13 mph
13 mph
2100
50°F
N
13 mph
13 mph
March 19, thursday
0000
50°F
N
12 mph
12 mph
0300
50°F
N
13 mph
13 mph
0600
50°F
N
14 mph
14 mph
0900
50°F
N
7 mph
7 mph
1200
50°F
N
13 mph
13 mph
