Cannon Beach Water Temperature
Sea-surface temperature at Cannon Beach, Oregon · times in PDT
Updated 4:03 AM PDT
How it compares today
Water temperature through the year
Monthly normals computed from 2023–2025 daily sea-surface temperature history.
Nearby water right now
7-day outlook
| Day | Air high / low | Max UV | Rain |
|---|---|---|---|
| Fri, Aug 28 | 64° / 56° | 6 | 2% |
| Sat, Aug 29 | 63° / 56° | 6 | 26% |
| Sun, Aug 30 | 65° / 53° | 6 | 5% |
| Mon, Aug 31 | 65° / 55° | 5 | 7% |
| Tue, Sep 1 | 65° / 54° | 6 | 28% |
| Wed, Sep 2 | 59° / 55° | 2 | 77% |
| Thu, Sep 3 | 61° / 53° | 3 | 57% |
Sea-surface temperature and wave data from the Open-Meteo marine model; weather from Open-Meteo.
Is Cannon Beach warm enough to swim?
At 60°F, the water at Cannon Beach is chilly — wetsuit recommended. Most swimmers are comfortable without a wetsuit above 72°F; below 62°F, cold-water shock becomes a real risk for unprotected swimmers.
That is 4° above the August average of 56°F here.
The water here never averages above 70°F — even in August, the warmest month, it sits around 56°F. Most people wear a wetsuit.
Frequently asked questions
How warm is the water at Cannon Beach right now?
The sea-surface temperature is about 60°F. That is 4° above the August average of 56°F here.
When is the water warm enough to swim at Cannon Beach?
The water here never averages above 70°F — even in August, the warmest month, it sits around 56°F. Most people wear a wetsuit.
What is the warmest the water gets at Cannon Beach?
Around 56°F in August, based on 2023–2025 records. The coolest month is February at roughly 49°F.