Skip to content
seatemperatures.net

Warmest beach in Alaska in August

653 coastal locations in Alaska ranked by their typical August sea temperature. State-wide average in August: 12.5°C.

Warmest in August

Morakas Point, Naknek River, Alaska

15.5°C

State August average

12.5°C

across 653 coastal locations in Alaska

Vs annual mean

+5.1°C

above the year-round state average

What the Alaska 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.

Alaska monthly average 3.9°C to 12.5°C
J
F
M
A
M
J
J
A
S
O
N
D
  • Warmest month August 12.5°C
  • Coldest month March 3.9°C
  • Annual mean 7.4°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.

Alaska sea temperature map (live)

Today's reading at every Alaska 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 Alaska beaches in August

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

# Location August mean
1 Morakas Point, Naknek River, Alaska Alaska 15.5°C
2 Naknek River entrance, Alaska Alaska 15.5°C
3 Omakstalia Point, Naknek River, Alaska Alaska 15.5°C
4 Dewey Anchorage, Etolin Island, Alaska Alaska 15.4°C
5 Entrance, Kasaan Bay, Alaska Alaska 15.4°C
6 Hadley, Lyman Anchorage, Alaska Alaska 15.4°C
7 Karta Bay, Kasaan Bay, Alaska Alaska 15.4°C
8 Kasaan, Kasaan Bay, Alaska Alaska 15.4°C
9 Lindeman Cove, Kasaan Bay Alaska 15.4°C
10 Magnetic Point, Union Bay, Earnest Sound Alaska 15.4°C
11 Menefee Anch., Prince of Wales Island, Alaska Alaska 15.4°C
12 Niblack Anchorage, Moira Sound, Alaska Alaska 15.4°C
13 Point Harrington, Clarence Strait Alaska 15.4°C
14 Ratz Harbor, Prince of Wales Island, Alaska Alaska 15.4°C
15 Steamer Bay, Etolin Island, Alaska Alaska 15.4°C
16 Thoms Point, Zimovia Strait Alaska 15.4°C
17 Union Bay, Ernest Sound, Alaska Alaska 15.4°C
18 Wrangell, Wrangell Island Alaska 15.4°C
19 Wrangell Alaska 15.3°C
20 Bell Arm, Bell Island, Alaska Alaska 15.3°C
21 Burrough Bay, Behm Canal Alaska 15.3°C
22 Burroughs Bay, Alaska Alaska 15.3°C
23 Convenient Cove, Hassler Island, Alaska Alaska 15.3°C
24 Loring, Naha Bay, Alaska Alaska 15.3°C
25 Traitors Cove (inside narrows), Alaska Alaska 15.3°C
Show 25 more ▸
26 Vallenar Point, Alaska Alaska 15.3°C
27 Yes Cannery, Yes Bay, Alaska Alaska 15.3°C
28 Middle Bluff, Kvichak Bay, Bristol Bay, Alaska Alaska 15.2°C
29 Dillingham Alaska 15.2°C
30 Clarks Point, Nushagak Bay Alaska 15.1°C
31 Nehenta Bay, Gravina Island, Alaska Alaska 14.8°C
32 Anchorage, Knik Arm, Cook Inlet Alaska 14.8°C
33 Fire Island, Cook Inlet Alaska 14.8°C
34 Goose Creek, Knik Arm, Cook Inlet Alaska 14.8°C
35 Port Mackenzie, Cook Inlet Alaska 14.8°C
36 Sunrise, Turnagain Arm, Cook Inlet, Alaska Alaska 14.8°C
37 Point Possession Alaska 14.8°C
38 Anchorage Alaska 14.8°C
39 Fairbanks Alaska 14.8°C
40 Protection Point, Nushagak Bay Alaska 14.7°C
41 Applegate Island, Prince William Sound, Alaska Alaska 14.7°C
42 Chenega Island, Dangerous Passage, Prince William Sound, Alaska Alaska 14.7°C
43 Chenega Island, southwest end, Prince William Sound, Alaska Alaska 14.7°C
44 Culross Bay, Wells Passage, Prince William Sound, Alaska Alaska 14.7°C
45 Eshamy Bay, Knight Island Passage, Prince William Sound, Alaska Alaska 14.7°C
46 Eshamy Lagoon, Prince William Sound, Alaska Alaska 14.7°C
47 Herring Point, Knight Island, Prince William Sound Alaska 14.7°C
48 Long Bay Entrance, Culross Passage, Prince William Sound, Alaska Alaska 14.7°C
49 Port Audrey, Knight Island, Alaska Alaska 14.7°C
50 South Bay, Perry Island Alaska 14.7°C

Coldest 10 in Alaska in August

Same data the other way.

# Location August mean
1 Barrow Alaska 3.3°C
2 Prudhoe Bay Alaska 3.9°C
3 Flaxman Island Alaska 3.9°C
4 Cross Island (Dinkum Sands) Alaska 4.2°C
5 Prudhoe Bay #2 Alaska 4.2°C
6 Barter Island Alaska 4.3°C
7 Barrow (offshore) Alaska 4.8°C
8 Point Barrow, Alaska Alaska 4.9°C
9 Point Barrow Alaska 4.9°C
10 Maknik Lagoon entrance, St. Lawrence Island, Alaska Alaska 7.5°C

Other US states

Related rankings