Updated
Greenwich Bay
Bay
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range.
- Water temperature is 72°F, within the comfortable 70–86°F range.
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Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range.
- Water temperature is 72°F, within the comfortable 70–86°F range. — NOAA buoy CPTR1, as of Aug 23, 6:54 AM UTC
No official beach-advisory feed for Massachusetts yet — follow posted signs and local guidance.
Live data from NOAA buoy CPTR1 (4.6 mi away), as of Aug 23, 6:54 AM UTC.
Weather at Greenwich Bay









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Frequently asked questions
- Where is Greenwich Bay?
- Greenwich Bay is a bay in Massachusetts.
- What is the water temperature at Greenwich Bay?
- As of August 23, 2026, the water temperature at Greenwich Bay in Massachusetts is 72°F (22°C), measured by NOAA buoy CPTR1, 4.6 miles away.
- Can you swim at Greenwich Bay?
- Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range. Checked August 23, 2026.
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Best Times to Visit
- ›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
Location & Contact
Massachusetts
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