Where is the sea coldest in Massachusetts in August?

Revere Beach in United States has the coldest sea in Massachusetts in August, averaging about 20.0 °C. Singing Beach (20.0 °C) and Good Harbor Beach are the next coolest.

How many beaches in Massachusetts are warm enough to swim in August?

None of the top 22 ranked beaches in Massachusetts reach 22 °C in August, so a wetsuit is recommended for anything longer than a quick dip.

How are these August sea temperatures calculated?

Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical August rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

Seasonal ranking

Coldest sea temperature in Massachusetts in August

Where the sea is coolest across Massachusetts during August, ranked by long-term monthly average water temperature. Revere Beach (Massachusetts, United States) is the coolest at around 20°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
Revere Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
2
Singing Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
3
Good Harbor Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
4
Nantasket Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
5
Horseneck Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
6
Old Silver Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
7
Craigville Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
8
Mayflower Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
9
Nauset Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
10
Coast Guard Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
11
Marconi Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
12
Race Point
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
13
South Beach Edgartown
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
14
Surfside Beach Nantucket
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
15
Crane Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
16
Head of the Meadow Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
17
Kalmus Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
18
Old Silver Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
19
Menemsha Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
20
Aquinnah Public Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
21
Salisbury Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average
22
Duxbury Beach
Massachusetts · United States · Atlantic Ocean
Mild — fine for a swim, cool at first
20°C
August average

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Massachusetts in August — frequently asked questions

Where is the sea coldest in Massachusetts in August?: Revere Beach in United States has the coldest sea in Massachusetts in August, averaging about 20.0 °C. Singing Beach (20.0 °C) and Good Harbor Beach are the next coolest.
How many beaches in Massachusetts are warm enough to swim in August?: None of the top 22 ranked beaches in Massachusetts reach 22 °C in August, so a wetsuit is recommended for anything longer than a quick dip.
How are these August sea temperatures calculated?: Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical August rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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