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Warmest beach in Washington in August

187 coastal locations in Washington ranked by their typical August sea temperature. State-wide average in August: 13.0°C.

Warmest in August

Point Roberts

16.9°C

State August average

13.0°C

across 187 coastal locations in Washington

Vs annual mean

+2.7°C

above the year-round state average

What the Washington water feels like 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

Where August fits in the year

August 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 August 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 warmest Washington beaches in August

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

# Location August mean
1 Point Roberts Washington 16.9°C
2 Anacortes, Guemes Channel, Washington Washington 15.9°C
3 Armitage Island, Thatcher Pass Washington 15.9°C
4 Bellingham, Bellingham Bay, Washington Washington 15.9°C
5 Cherry Point, Strait of Georgia Washington 15.9°C
6 Chuckanut Bay, Bellingham Bay, Washington Washington 15.9°C
7 Drayton Harbor, Blaine, Strait of Georgia Washington 15.9°C
8 Eagle Harbor, Cypress Island, Washington Washington 15.9°C
9 Echo Bay, Sucia Islands, Strait of Georgia, Washington Washington 15.9°C
10 Ferndale, Strait of Georgia, Washington Washington 15.9°C
11 Gooseberry Point, Hale Passage, Washington Washington 15.9°C
12 Orcas, Orcas Island, Washington Washington 15.9°C
13 Patos Island Wharf, Boundary Pass, Washington Washington 15.9°C
14 Peavine Pass, Washington Washington 15.9°C
15 Point Migley, Hale Passage, Washington Washington 15.9°C
16 Sandy Point, Lummi Bay, Washington Washington 15.9°C
17 Shaw Island, Ferry Terminal, Harney Channel, San Juan Channel, Washington Washington 15.9°C
18 Ship Harbor, Fidalgo Island, Washington Washington 15.9°C
19 Strawberry Bay, Cypress Island, Washington Washington 15.9°C
20 Tide Point, Cypress Island, Washington Washington 15.9°C
21 Upright Head, Lopez Island Washington 15.9°C
22 Village Point, Lummi Island Washington 15.9°C
23 Anacortes Washington 15.8°C
24 Bellingham Washington 15.8°C
25 Birch Bay Washington 15.8°C
Show 25 more ▸
26 Blaine Washington 15.8°C
27 Eastsound Washington 15.8°C
28 Lopez Island Washington 15.8°C
29 Marietta Washington 15.8°C
30 Olga Washington 15.8°C
31 Orcas Island Washington 15.8°C
32 Point Roberts, Strait of Georgia Washington 15.8°C
33 Friday Harbor Washington 15.8°C
34 San Juan Islands Washington 15.8°C
35 Cape Disappointment Washington 15.5°C
36 Columbia River entrance (N. Jetty), Washington Washington 15.4°C
37 Fort Canby, Jetty 'A', Washington Washington 15.4°C
38 Ilwaco, Baker Bay, Washington Washington 15.4°C
39 Bay Center, Palix River, Willapa Bay, Washington Washington 15.1°C
40 Mailboat Slough, Willapa River, Willapa Bay, Washington Washington 15.1°C
41 Palix River, south fork, Willapa Bay, Washington Washington 15.1°C
42 Raymond, Willapa River, Willapa Bay, Washington Washington 15.1°C
43 South Bend, Willapa River, Willapa Bay Washington 15.1°C
44 Toke Point, Willapa Bay Washington 15.1°C
45 Long Beach Washington 14.8°C
46 Ocean Park Washington 14.8°C
47 Aberdeen, Grays Harbor Washington 14.7°C
48 Bay City, South Bay, Grays Harbor, Washington Washington 14.7°C
49 Cosmopolis, Chehalis River, Grays Harbor, Washington Washington 14.7°C
50 Markham, Grays Harbor, Washington Washington 14.7°C

Coldest 10 in Washington in August

Same data the other way.

# Location August mean
1 Twin Rivers, Strait of Juan de Fuca, Washington Washington 11.1°C
2 Crescent Bay, Strait of Juan de Fuca, Washington Washington 11.2°C
3 Jim Creek Washington 11.2°C
4 Sekiu, Clallam Bay, Strait of Juan de Fuca Washington 11.5°C
5 Ediz Hook, Port Angeles, Strait of Juan de Fuca, Washington Washington 11.5°C
6 Port Angeles, Strait Of Juan De Fuca Washington 11.5°C
7 Port Angeles Washington 11.6°C
8 Admiralty Head, Admiralty Inlet, Washington Washington 11.7°C
9 Bremerton, Sinclair Inlet, Port Orchard, Puget Sound Washington 11.7°C
10 Brownsville, Port Orchard Washington 11.7°C

Other US states

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