United States Coastal Region

Massachusetts Sea Water Temperature

Compare sea surface temperatures across 135 top coastal destinations in Massachusetts. Check below for live marine observations, wave conditions, and monthly averages.

Beaches & Swimming Spots in Massachusetts— page 5 of 6

James Bay

Riverhead Beach

A cool beach on the James Bay, warmest around August at about 19°C.

Historical Sep Avg:17.6°C(63.7°F)
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James Bay

Round Hill 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

Salem Willows Beach

A cool beach on the James Bay, warmest around August at about 18.9°C.

Historical Sep Avg:17.5°C(63.5°F)
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James Bay

Sandy Beach

A cool beach on the James Bay, warmest around August at about 19°C.

Historical Sep Avg:17.6°C(63.7°F)
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James Bay

Seagull Beach

A cool beach on the James Bay, warmest around August at about 20.9°C.

Historical Sep Avg:19.2°C(66.6°F)
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James Bay

Seaview Beach

A temperate beach on the James Bay, warmest around August at about 21.4°C.

Historical Sep Avg:20°C(68°F)
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James Bay

Seymoor pond beach

A cool beach on the James Bay, warmest around August at about 20.9°C.

Historical Sep Avg:19.2°C(66.6°F)
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James Bay

Short Beach

A cool beach on the James Bay, warmest around August at about 19°C.

Historical Sep Avg:17.6°C(63.7°F)
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James Bay

Silver Lake Town Beach

A cool beach on the James Bay, warmest around August at about 19°C.

Historical Sep Avg:17.6°C(63.7°F)
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James Bay

Singing Beach

A cool beach on the James Bay, warmest around August at about 18.9°C.

Historical Sep Avg:17.5°C(63.5°F)
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Coastal Waters

South Beach

A cool beach on the Coastal Waters, warmest around August at about 20.6°C.

Historical Sep Avg:19.1°C(66.4°F)
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James Bay

South Cape 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

Stevens Pond Beach

A cool beach on the James Bay, warmest around August at about 19°C.

Historical Sep Avg:17.6°C(63.7°F)
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James Bay

Stoney Point

A cool beach on the James Bay, warmest around August at about 18.9°C.

Historical Sep Avg:17.5°C(63.5°F)
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James Bay

Stramski's Beach

A cool beach on the James Bay, warmest around August at about 18.9°C.

Historical Sep Avg:17.5°C(63.5°F)
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James Bay

Strong Island Beach

A cool beach on the James Bay, warmest around August at about 20.2°C.

Historical Sep Avg:18.5°C(65.3°F)
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James Bay

Sunrise 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

Surf Drive 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

Swifts 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

Swifts Neck Association

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

Taylors 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

Tenean Beach

A cool beach on the James Bay, warmest around August at about 19°C.

Historical Sep Avg:17.6°C(63.7°F)
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James Bay

The Strand

A cool beach on the James Bay, warmest around August at about 20.7°C.

Historical Sep Avg:18.9°C(66°F)
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James Bay

Town Beach

A cool beach on the James Bay, warmest around August at about 19.3°C.

Historical Sep Avg:17.8°C(64°F)
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