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Coldest beach in Washington in October

187 coastal locations in Washington ranked by their typical October sea temperature. State-wide average in October: 10.9°C.

Coldest in October

Crescent Bay, Strait of Juan de Fuca, Washington

9.8°C

State October average

10.9°C

across 187 coastal locations in Washington

Vs annual mean

+0.6°C

above the year-round state average

What the Washington water feels like in October

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

Washington monthly average 8.1°C to 13.0°C
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  • Warmest month August 13.0°C
  • Coldest month February 8.1°C
  • Annual mean 10.3°C
  • Months above 20°C 0 of 12

Where October fits in the year

October sits inside the state pattern shown on the left. Browse a different month for a fresh ranking.

Washington sea temperature map (live)

Today's reading at every Washington beach we track. The list below uses the typical October mean from a decade of daily history.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 coldest Washington beaches in October

Sorted by typical October mean. Click any beach for the full location page.

# Location October mean
1 Admiralty Head, Admiralty Inlet, Washington Washington 10.3°C
2 Bremerton, Sinclair Inlet, Port Orchard, Puget Sound Washington 10.3°C
3 Brownsville, Port Orchard Washington 10.3°C
4 Burton, Quartermaster Hbr. (inside), Vashon I. Washington 10.3°C
5 Bush Point, Whidbey Island, Admiralty Inlet, Washington Washington 10.3°C
6 Clam Bay, Rich Passage Washington 10.3°C
7 Des Moines, East Passage Washington 10.3°C
8 Duwamish Waterway, Eighth Ave. South Washington 10.3°C
9 Eagle Harbor, Bainbridge Island Washington 10.3°C
10 Foulweather Bluff Washington 10.3°C
11 Gardiner, Discovery Bay, Strait of Juan de Fuca, Washington Washington 10.3°C
12 Glendale, Whidbey Island, Washington Washington 10.3°C
13 Greenbank, Whidbey Island Washington 10.3°C
14 Harper, Yukon Harbor Washington 10.3°C
15 Holly Farms Harbor, Holmes Harbor, Whidbey I., Washington Washington 10.3°C
16 Kayak Point, Washington Washington 10.3°C
17 Kingston, Appletree Cove Washington 10.3°C
18 Lockheed Shipyard, Harbor Island Washington 10.3°C
19 Marrowstone Point, Admiralty Inlet, Washington Washington 10.3°C
20 Marysville, Quilceda Creek, Washington Washington 10.3°C
21 Meadow Point, Shilshole Bay Washington 10.3°C
22 Mystery Bay, Marrowstone Island, Admiralty Inlet, Washington Washington 10.3°C
23 Oak Bay, Washington Washington 10.3°C
24 Point Partridge, Whidbey Island, Strait of Juan de Fuca, Washington Washington 10.3°C
25 Point Vashon, Vashon Island Washington 10.3°C
Show 25 more ▸
26 Kanaka Bay, San Juan Island, Haro Strait Washington 10.3°C
27 Ala Spit, Whidbey Island, Washington Washington 10.2°C
28 Aleck Bay, Lopez Island, Washington Washington 10.2°C
29 Burrows Bay (Allan Island), Washington Washington 10.2°C
30 Cornet Bay, Deception Pass, Washington Washington 10.2°C
31 Crescent Harbor, N. Whidbey Island, Washington Washington 10.2°C
32 Deception Pass St. Park, Bowman Bay, Fidalgo I. Washington 10.2°C
33 Dungeness, Strait of Juan de Fuca, Washington Washington 10.2°C
34 La Conner, Swinomish Channel, Washington Washington 10.2°C
35 Naval Air Station Whidbey Island Washington 10.2°C
36 Richardson, Lopez Island, San Juan Channel Washington 10.2°C
37 Sequim Bay entrance, Strait of Juan de Fuca, Washington Washington 10.2°C
38 Smith Island, Strait of Juan de Fuca, Washington Washington 10.2°C
39 Sneeoosh Point Washington 10.2°C
40 Sunset Beach, Whidbey Island, Strait of Juan de Fuca, Washington Washington 10.2°C
41 Swinomish Channel entrance, Padilla Bay Washington 10.2°C
42 Telegraph Bay Washington 10.2°C
43 Turner Bay, Similk Bay Washington 10.2°C
44 Yokeko Point, Deception Pass Washington 10.2°C
45 Port Angeles Washington 10.1°C
46 Ediz Hook, Port Angeles, Strait of Juan de Fuca, Washington Washington 10.1°C
47 Port Angeles, Strait Of Juan De Fuca Washington 10.1°C
48 Jim Creek Washington 10.1°C
49 Twin Rivers, Strait of Juan de Fuca, Washington Washington 9.9°C
50 Crescent Bay, Strait of Juan de Fuca, Washington Washington 9.8°C

Warmest 10 in Washington in October

Same data flipped. The warmest spots in the state for this month.

# Location October mean
1 Cape Disappointment Washington 13.3°C
2 Columbia River entrance (N. Jetty), Washington Washington 13.3°C
3 Fort Canby, Jetty 'A', Washington Washington 13.3°C
4 Ilwaco, Baker Bay, Washington Washington 13.3°C
5 Bay Center, Palix River, Willapa Bay, Washington Washington 13.2°C
6 Mailboat Slough, Willapa River, Willapa Bay, Washington Washington 13.2°C
7 Palix River, south fork, Willapa Bay, Washington Washington 13.2°C
8 Raymond, Willapa River, Willapa Bay, Washington Washington 13.2°C
9 South Bend, Willapa River, Willapa Bay Washington 13.2°C
10 Toke Point, Willapa Bay Washington 13.2°C

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