United States Coastal Region

Rhode Island Sea Water Temperature

Compare sea surface temperatures across 54 top coastal destinations in Rhode Island. Check below for live marine observations, wave conditions, and monthly averages.

Beaches & Swimming Spots in Rhode Island— page 2 of 3

James Bay

King Park Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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James Bay

Mackerel Cove Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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James Bay

Mansion Beach

A temperate beach on the James Bay, warmest around August at about 21.2°C.

Historical Sep Avg:19.9°C(67.8°F)
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James Bay

Matunuck Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.7°C(67.5°F)
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James Bay

Misquamicut Fire District Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.7°C(67.5°F)
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James Bay

Misquamicut State Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.7°C(67.5°F)
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James Bay

Narragansett Town Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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James Bay

Ninigret Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.7°C(67.5°F)
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James Bay

North Kingstown Town Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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James Bay

Old Salt Work Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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James Bay

Pebbly Beach

A temperate beach on the James Bay, warmest around August at about 21.2°C.

Historical Sep Avg:19.9°C(67.8°F)
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James Bay

Peckham Beach

A temperate beach on the James Bay, warmest around August at about 21.8°C.

Historical Sep Avg:20.2°C(68.4°F)
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James Bay

Plum Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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James Bay

Roy Carpenter's Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.7°C(67.5°F)
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James Bay

Salty Brine State Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.7°C(67.5°F)
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James Bay

Sam Ferretti Blue Shutters Town Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.7°C(67.5°F)
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James Bay

Sandy Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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James Bay

Sandy Point Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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James Bay

Sandy Point Beach

A temperate beach on the James Bay, warmest around August at about 21.8°C.

Historical Sep Avg:20.2°C(68.4°F)
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James Bay

Scarborough South State Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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James Bay

Seaside Beach Club Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.7°C(67.5°F)
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James Bay

Second Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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James Bay

South Shore Beach

A temperate beach on the James Bay, warmest around August at about 21°C.

Historical Sep Avg:19.7°C(67.5°F)
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James Bay

Sunset Beach

A temperate beach on the James Bay, warmest around August at about 20.8°C.

Historical Sep Avg:19.6°C(67.3°F)
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