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Warmest beach in Washington

187 coastal locations in Washington ranked by year-round average sea temperature. The state-wide average is 10.3°C. The peak month is August at 13.0°C. Click any beach for its 30-day chart and 10-year history.

Warmest year-round

Cape Disappointment

11.9°C annual mean

State-wide average

10.3°C

across 187 Washington coastal locations

Warmest month

August

13.0°C state-wide average

What the water feels like at peak in August

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

Month by month around the Washington coast

Washington sea temperatures swing from 8.1°C in February to 13.0°C in August on average across the coast. That's a spread of 5°C. Pick a single month for a focused ranking:

Washington sea temperature map

Today's pin colours show the latest daily reading at every Washington beach we track. Drag and zoom; click any pin for that beach's full page.

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 warmest beaches in Washington

Sorted by year-round average. Click any beach for its 30-day chart, monthly profile, and 10-year history.

# Location Annual mean
1 Cape Disappointment Washington 11.9°C
2 Columbia River entrance (N. Jetty), Washington Washington 11.9°C
3 Fort Canby, Jetty 'A', Washington Washington 11.9°C
4 Ilwaco, Baker Bay, Washington Washington 11.9°C
5 Long Beach Washington 11.8°C
6 Ocean Park Washington 11.8°C
7 Bay Center, Palix River, Willapa Bay, Washington Washington 11.8°C
8 Mailboat Slough, Willapa River, Willapa Bay, Washington Washington 11.8°C
9 Palix River, south fork, Willapa Bay, Washington Washington 11.8°C
10 Raymond, Willapa River, Willapa Bay, Washington Washington 11.8°C
11 South Bend, Willapa River, Willapa Bay Washington 11.8°C
12 Toke Point, Willapa Bay Washington 11.8°C
13 Aberdeen Washington 11.6°C
14 Hoquiam Washington 11.6°C
15 Moclips Washington 11.6°C
16 Ocean City Washington 11.6°C
17 Ocean Shores Washington 11.6°C
18 Aberdeen, Grays Harbor Washington 11.6°C
19 Bay City, South Bay, Grays Harbor, Washington Washington 11.6°C
20 Cosmopolis, Chehalis River, Grays Harbor, Washington Washington 11.6°C
21 Markham, Grays Harbor, Washington Washington 11.6°C
22 Montesano, Chehalis River, Grays Harbor, Washington Washington 11.6°C
23 Point Brown, Grays Harbor, Washington Washington 11.6°C
24 Westport, Point Chehalis, Grays Harbor Washington 11.6°C
25 Westport Washington 11.6°C
Show 25 more ▸
26 Point Grenville, Washington Washington 11.4°C
27 Taholah Washington 11.4°C
28 Point Roberts Washington 11.4°C
29 Destruction Island, Washington Washington 11.3°C
30 Anacortes Washington 11.0°C
31 Bellingham Washington 11.0°C
32 Birch Bay Washington 11.0°C
33 Blaine Washington 11.0°C
34 Eastsound Washington 11.0°C
35 James Island, Washington Washington 11.0°C
36 Lopez Island Washington 11.0°C
37 Marietta Washington 11.0°C
38 Olga Washington 11.0°C
39 Orcas Island Washington 11.0°C
40 Friday Harbor Washington 11.0°C
41 San Juan Islands Washington 11.0°C
42 Anacortes, Guemes Channel, Washington Washington 11.0°C
43 Armitage Island, Thatcher Pass Washington 11.0°C
44 Bellingham, Bellingham Bay, Washington Washington 11.0°C
45 Cherry Point, Strait of Georgia Washington 11.0°C
46 Chuckanut Bay, Bellingham Bay, Washington Washington 11.0°C
47 Drayton Harbor, Blaine, Strait of Georgia Washington 11.0°C
48 Eagle Harbor, Cypress Island, Washington Washington 11.0°C
49 Echo Bay, Sucia Islands, Strait of Georgia, Washington Washington 11.0°C
50 Ferndale, Strait of Georgia, Washington Washington 11.0°C

Coldest 10 in Washington

Same data, sorted the other way.

# Location Annual mean
1 Crescent Bay, Strait of Juan de Fuca, Washington Washington 9.4°C
2 Twin Rivers, Strait of Juan de Fuca, Washington Washington 9.4°C
3 Jim Creek Washington 9.6°C
4 Ediz Hook, Port Angeles, Strait of Juan de Fuca, Washington Washington 9.6°C
5 Port Angeles, Strait Of Juan De Fuca Washington 9.6°C
6 Port Angeles Washington 9.7°C
7 Dungeness, Strait of Juan de Fuca, Washington Washington 9.7°C
8 Sequim Bay entrance, Strait of Juan de Fuca, Washington Washington 9.7°C
9 Admiralty Head, Admiralty Inlet, Washington Washington 9.7°C
10 Bremerton, Sinclair Inlet, Port Orchard, Puget Sound Washington 9.7°C

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