Where is the sea coldest in United States in October?

Revere Beach in United States has the coldest sea in United States in October, averaging about 14.0 °C. Singing Beach (14.0 °C) and Good Harbor Beach are the next coolest.

How many beaches in United States are warm enough to swim in October?

None of the top 25 ranked beaches in United States reach 22 °C in October, so a wetsuit is recommended for anything longer than a quick dip.

How are these October sea temperatures calculated?

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

Seasonal ranking

Coldest sea temperature in United States in October

Where the sea is coolest across United States during October, ranked by long-term monthly average water temperature. Revere Beach (Massachusetts, United States) is the coolest at around 14°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
Revere Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
2
Singing Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
3
Good Harbor Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
4
Nantasket Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
5
Horseneck Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
6
Old Silver Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
7
Craigville Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
8
Mayflower Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
9
Nauset Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
10
Coast Guard Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
11
Marconi Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
12
Race Point
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
13
South Beach Edgartown
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
14
Surfside Beach Nantucket
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
15
Crane Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
16
Head of the Meadow Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
17
Kalmus Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
18
Old Silver Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
19
Menemsha Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
20
Aquinnah Public Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
21
Salisbury Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
22
Duxbury Beach
Massachusetts · United States · Atlantic Ocean
Cold — wetsuit strongly recommended
14°C
October average
23
East Beach Santa Barbara
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
15°C
October average
24
Butterfly Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
15°C
October average
25
Refugio State Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
15°C
October average

Coldest sea in October elsewhere

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United States in October — frequently asked questions

Where is the sea coldest in United States in October?: Revere Beach in United States has the coldest sea in United States in October, averaging about 14.0 °C. Singing Beach (14.0 °C) and Good Harbor Beach are the next coolest.
How many beaches in United States are warm enough to swim in October?: None of the top 25 ranked beaches in United States reach 22 °C in October, so a wetsuit is recommended for anything longer than a quick dip.
How are these October sea temperatures calculated?: Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical October rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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