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Warmest beach in Alaska in October

653 coastal locations in Alaska ranked by their typical October sea temperature. State-wide average in October: 9.0°C.

Warmest in October

Forrester Island, Dall Island, Alaska

11.4°C

State October average

9.0°C

across 653 coastal locations in Alaska

Vs annual mean

+1.6°C

above the year-round state average

What the Alaska water feels like in October

This water is very cold and can cause pain. We don't recommend you swim in this temperature for anything other than very short swims of 5 to 10 minutes unless you are a very experienced cold water swimmer.

Alaska monthly average 3.9°C to 12.5°C
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  • 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 October fits in the year

October 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 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 warmest Alaska beaches in October

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

# Location October mean
1 Forrester Island, Dall Island, Alaska Alaska 11.4°C
2 Eagle Point, Meares Passage, Alaska Alaska 11.2°C
3 Natalia Point, Tlevak Strait, Alaska Alaska 11.2°C
4 Sakie Bay, Dall Island, Alaska Alaska 11.2°C
5 Sea Otter Harbor, Dall Island, Alaska Alaska 11.2°C
6 View Cove, Tlevak Strait, Alaska Alaska 11.2°C
7 Windy Cove entrance Alaska 11.2°C
8 American Bay, Kaigani Strait, Alaska Alaska 11.1°C
9 Diver Islands, Meares Passage, Alaska Alaska 11.1°C
10 Gooseneck Harbor, Dall Island, Alaska Alaska 11.1°C
11 Security Cove, Dall Island, Alaska Alaska 11.1°C
12 Gilmer Bay, Kruzof Island, Alaska Alaska 10.8°C
13 Anguilla Island, Gulf of Esquibel, Alaska Alaska 10.8°C
14 Edna Bay, Davidson Inlet, Alaska Alaska 10.8°C
15 Port Alice, Heceta Island, Davidson Inlet, Alaska Alaska 10.8°C
16 Port Alice Alaska 10.8°C
17 Steamboat Bay, Noyes Island, Gulf of Esquibel, Alaska Alaska 10.8°C
18 Coronation Island, Alaska Alaska 10.8°C
19 Kell Bay, Affleck Canal, Kuiu Island, Alaska Alaska 10.8°C
20 Kuiu Island, Affleck Canal, Alaska Alaska 10.8°C
21 Port McArthur, Kuiu Island, Alaska Alaska 10.8°C
22 Table Bay, Kuiu Island, Alaska Alaska 10.8°C
23 Dry Bay, Alaska Alaska 10.8°C
24 Barlow Cove, Mansfield Peninsula, Lynn Canal, Alaska Alaska 10.8°C
25 Cape Chacon, Dixon Entrance, Alaska Alaska 10.8°C
Show 25 more ▸
26 Falcon Arm, Slocum Arm, Chichagof Island, Alaska Alaska 10.8°C
27 Funter, Funter Bay, Lynn Canal, Alaska Alaska 10.8°C
28 Hoonah Harbor, Port Frederick, Alaska Alaska 10.8°C
29 Hoonah, Port Fredrick Alaska 10.8°C
30 Ingraham Bay, Prince of Wales Island, Alaska Alaska 10.8°C
31 Klokachef Island, Alaska Alaska 10.8°C
32 Lincoln Island, Lynn Canal, Alaska Alaska 10.8°C
33 Nichols Bay, Dixon Entrance, Alaska Alaska 10.8°C
34 Olga Point, Olga Strait, Sitka Sound, Alaska Alaska 10.8°C
35 Shoals Point, Kruzof Island, Alaska Alaska 10.8°C
36 Swanson Harbor, Icy Strait, Alaska Alaska 10.8°C
37 Symonds Bay, Biorka Island, Sitka Sound, Alaska Alaska 10.8°C
38 Whitestone Narrows, Neva Strait Alaska 10.8°C
39 Minnie Bay, Alaska Alaska 10.7°C
40 Anchor Point, Wrangell Narrows Alaska 10.7°C
41 Beck Island, Clarence Strait, Alaska Alaska 10.7°C
42 Beecher Pass, Wrangell Narrows Alaska 10.7°C
43 Blashke Island, Clarence Strait, Alaska Alaska 10.7°C
44 Block Island, Tlevak Strait, Alaska Alaska 10.7°C
45 Bushy Island, Snow Passage Alaska 10.7°C
46 Cape Flores, Ulloa Channel, Alaska Alaska 10.7°C
47 Cosmos Point, Frederick Sound, Alaska Alaska 10.7°C
48 Craig, Klawock Inlet, Bucareli Bay Alaska 10.7°C
49 Cruz Pass, San Fernando Island, Bucareli Bay, Alaska Alaska 10.7°C
50 Cyrus Cove, Sea Otter Sound, Davidson Inlet, Alaska Alaska 10.7°C

Coldest 10 in Alaska in October

Same data the other way.

# Location October mean
1 Barter Island Alaska 0.3°C
2 Prudhoe Bay Alaska 0.5°C
3 Flaxman Island Alaska 0.6°C
4 Cross Island (Dinkum Sands) Alaska 0.6°C
5 Prudhoe Bay #2 Alaska 0.7°C
6 Barrow Alaska 1.9°C
7 Point Barrow, Alaska Alaska 2.3°C
8 Point Barrow Alaska 2.3°C
9 Barrow (offshore) Alaska 2.3°C
10 Kotzebue, Kotzebue Sound Alaska 3.8°C

Other US states

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