Updated
St. Mary's Bay
Bay
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry.
- Water temp 63°F (17°C)
Live data from offshore buoy 62103 (42.9 mi away), as of Oct 20, 6:00 AM UTC.
Why, sources & official advisories
- Water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry. — offshore buoy 62103, as of Oct 20, 6:00 AM UTC
No official beach-advisory feed for Devon yet — follow posted signs and local guidance.
Get an email when it’s warm enough
It’s 63°F at St. Mary's Bay now. We check the water daily and email you once when it reaches your temperature.
St. Mary's Bay is a sand and shingle beach located near the fishing town of Brixham, Devon, England. It was originally called Mudstone Bay because of the local mudstone bedrock of the cliffs.
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Weather at St. Mary's Bay
49°F, Light drizzle · H 56° / L 49° · 77% chance of rain3-day forecast
Frequently asked questions
- Where is St. Mary's Bay?
- St. Mary's Bay is a bay in Devon.
- What is the water temperature at St. Mary's Bay?
- As of October 20, 2026, the water temperature at St. Mary's Bay in Devon is 63°F (17°C), measured by offshore buoy 62103, 42.9 miles away.
- Can you swim at St. Mary's Bay?
- Cool water — ease in carefully: water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry. Checked October 20, 2026.
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Location & Contact
Devon
💡 Best times & visiting tips
- ›Weekday mornings (8–10 AM) are typically less crowded
- ›Check the forecast 2–3 days ahead for best planning
- ›Avoid holiday weekends for a quieter experience
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