Where is the sea coldest in North America in August?

East Beach Santa Barbara in United States has the coldest sea in North America in August, averaging about 16.0 °C. Butterfly Beach (16.0 °C) and Refugio State Beach are the next coolest.

How many beaches in North America are warm enough to swim in August?

None of the top 25 ranked beaches in North America 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 North America in August

Where the sea is coolest across North America during August, ranked by long-term monthly average water temperature. East Beach Santa Barbara (Central California, United States) is the coolest at around 16°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
East Beach Santa Barbara
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
2
Butterfly Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
3
Refugio State Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
4
Pismo Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
5
Avila Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
6
Morro Bay Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
7
Cayucos Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
8
Carmel Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
9
Monterey State Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
10
Santa Cruz Main Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
11
Capitola Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
12
Pfeiffer Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
13
Stinson Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
14
Baker Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
15
English Bay
British Columbia · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
16
Ambleside Beach
British Columbia · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
17
Cates Park
British Columbia · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
18
Long Beach
British Columbia · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
19
China Beach
British Columbia · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
20
Sombrio Beach
British Columbia · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
21
Willows Beach
British Columbia · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
22
Qualicum Beach
British Columbia · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
23
Parksville Beach
British Columbia · Canada · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
24
Half Moon Bay
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average
25
Carmel River State Beach
Central California · United States · Pacific Ocean
Cool — shorty wetsuit recommended
16°C
August average

Coldest sea in August elsewhere

Europe South America Asia Africa Oceania United States United Kingdom Australia Italy Spain France Greece Mexico Portugal New Zealand Croatia Canada Ireland Thailand Indonesia Philippines Brazil Sweden Poland Denmark Norway Turkey Netherlands Germany Bulgaria Japan Cyprus Egypt India South Africa Dominican Republic Romania Costa Rica Malta Puerto Rico Bahamas Belgium Barbados South Korea Vietnam Jamaica Sri Lanka United Arab Emirates Oman US Virgin Islands Antigua and Barbuda Panama Finland Malaysia Curacao Argentina Chile Colombia Israel Tanzania Morocco Tunisia Turks and Caicos Fiji Aruba Albania Uruguay Peru Maldives Mauritius Belize Nicaragua Saint Lucia Cuba Mozambique French Polynesia Bonaire Honduras French Riviera Algarve Amalfi Coast Costa Brava Greek Islands Dalmatian Coast Florida Keys Great Barrier Reef Coast California Florida Hawaii New Jersey North Carolina Massachusetts South Carolina Texas New York Puerto Rico Maine Oregon Michigan Georgia Washington

North America in August — frequently asked questions

Where is the sea coldest in North America in August?: East Beach Santa Barbara in United States has the coldest sea in North America in August, averaging about 16.0 °C. Butterfly Beach (16.0 °C) and Refugio State Beach are the next coolest.
How many beaches in North America are warm enough to swim in August?: None of the top 25 ranked beaches in North America 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.

Explore every sea temperature page

Jump straight to a country, coastal region, city, seasonal ranking or comparison.

Swimming guides

Popular beach comparisons

Cala Estreta vs Platja d'Aro Cala Estreta vs Cala Sa Tuna Cala Pola vs Platja de Lloret Platja de Sant Pol vs Platja Gran Cala Montjoi vs Platja de Pals Cala Pola vs Platja de Sant Pol Cala Estreta vs Platja de Pals Aiguablava vs Cala Estreta Cambrils Playa vs Platja de la Pineda Platja de la Pineda vs Platja Llarga Platja del Miracle vs Salou Levante Playa del Carabassí vs Playa del Postiguet Playa de San Juan vs Playa del Carabassí Playa de la Fossa vs Playa de Levante Playa de la Fossa vs Playa de Poniente Cala Finestrat vs Playa del Albir Cala el Portet vs Playa de la Fossa Cala del Moraig vs Playa del Arenal Compare any two beaches →

Freshwater swimming

All lake water temperatures (525)Live lake map Compare lakes Rivers & swimming holes Albania lakes Argentina lakes armenia lakes Australia lakes austria lakes Belgium lakes Australia rivers austria rivers Canada rivers Croatia rivers czechia rivers Finland rivers Live sea temperature map Swimming guides

Keep exploring

Live sea temperature mapEvery coast, updated hourly Warmest beaches todayLive ranking right now Compare two beachesSide-by-side swim conditions Lake water temperaturesFreshwater swimming spots Rivers & swimming holesWild swimming conditions All destinationsBrowse by country & region

Warmest sea this month

europe north america asia oceania

Coldest sea temperature in North America in August

Coldest sea in August elsewhere

North America in August — frequently asked questions

Explore every sea temperature page

Sea temperature by country

Coastal region hubs

Water temperature today by city

Warmest sea in August

Warmest sea month by month (Europe)

Coldest sea this month

Swimming guides

Popular beach comparisons

Freshwater swimming

Keep exploring

Warmest sea this month