Swimming in Alaska in october 2025 Sea temperature by city in october
Do you want to go to the beach in Alaska in october 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in october in Alaska by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Alaska in october 2025
Here, find the average sea temperature in Alaska in october in several coastal cities.
48°F
min: 45°F / max: 50°F
49°F
min: 45°F / max: 52°F
48°F
min: 45°F / max: 51°F
47°F
min: 45°F / max: 49°F
51°F
min: 49°F / max: 52°F
Cordova
50°F
min: 48°F / max: 53°F
Gambell (St. Lawrence Island)
40°F
min: 36°F / max: 44°F
Haines
46°F
min: 44°F / max: 49°F
Kenai
49°F
min: 46°F / max: 51°F
Kodiak
48°F
min: 45°F / max: 51°F
Kotzebue
39°F
min: 34°F / max: 43°F
Nome
42°F
min: 37°F / max: 47°F
Sand Point
49°F
min: 46°F / max: 51°F
Valdez
50°F
min: 47°F / max: 52°F
Where should you go swimming in Alaska in the month of october?
Swimming in Alaska in october is freezing
In october in Alaska swimming conditions are generally the same everywhere.
Forget about swimming in Anchorage, Anchor Point, Dillingham, Dutch Harbor, Ketchikan, Cordova, Gambell (St. Lawrence Island), Haines, Kenai, Kodiak, Kotzebue, Nome, Sand Point and Valdez in october! The water temperature is freezing, reaching as low as 45°F (and only 50°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!
Where to go swimming in Alaska in october: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in october
Anchorage
| October | |||
| Average sea temperature | 48°F | ||
| Minimum sea temperature | 45°F | ||
| Maximum sea temperature | 50°F | ||
| Average outside temperature | 41°F | ||
| Maximum outside temperature | 43°F | ||
| Minimum outside temperature | 38°F | ||
| Precipitation | 3.3in | ||
| Number of days of precipitation | 5 jour(s) (15%) | ||
| Cloud cover | 45% | ||
| Our opinion | freezing swimming |
More information on swimming in Anchorage in october
Anchor Point
| October | |||
| Average sea temperature | 49°F | ||
| Minimum sea temperature | 45°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 43°F | ||
| Maximum outside temperature | 45°F | ||
| Minimum outside temperature | 41°F | ||
| Precipitation | 7.7in | ||
| Number of days of precipitation | 9 jour(s) (30%) | ||
| Cloud cover | 55% | ||
| Our opinion | freezing swimming |
More information on swimming in Anchor Point in october
Dillingham
| October | |||
| Average sea temperature | 48°F | ||
| Minimum sea temperature | 45°F | ||
| Maximum sea temperature | 51°F | ||
| Average outside temperature | 40°F | ||
| Maximum outside temperature | 43°F | ||
| Minimum outside temperature | 36°F | ||
| Precipitation | 5.5in | ||
| Number of days of precipitation | 8 jour(s) (27%) | ||
| Cloud cover | 59% | ||
| Our opinion | freezing swimming |
More information on swimming in Dillingham in october
Dutch Harbor
| October | |||
| Average sea temperature | 47°F | ||
| Minimum sea temperature | 45°F | ||
| Maximum sea temperature | 49°F | ||
| Average outside temperature | 45°F | ||
| Maximum outside temperature | 47°F | ||
| Minimum outside temperature | 45°F | ||
| Precipitation | 6.8in | ||
| Number of days of precipitation | 11 jour(s) (34%) | ||
| Cloud cover | 64% | ||
| Our opinion | freezing swimming |
More information on swimming in Dutch Harbor in october
Ketchikan
| October | |||
| Average sea temperature | 51°F | ||
| Minimum sea temperature | 49°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 50°F | ||
| Minimum outside temperature | 43°F | ||
| Precipitation | 18.3in | ||
| Number of days of precipitation | 15 jour(s) (50%) | ||
| Cloud cover | 61% | ||
| Our opinion | freezing swimming |
More information on swimming in Ketchikan in october
List of coastal cities in Alaska
| Anchorage in october | freezing swimming |
| Anchor Point in october | freezing swimming |
| Dillingham in october | freezing swimming |
| Dutch Harbor in october | freezing swimming |
| Ketchikan in october | freezing swimming |
| Cordova in october | freezing swimming |
| Gambell (St. Lawrence Island) in october | freezing swimming |
| Haines in october | freezing swimming |
| Kenai in october | freezing swimming |
| Kodiak in october | freezing swimming |
| Kotzebue in october | freezing swimming |
| Nome in october | freezing swimming |
| Sand Point in october | freezing swimming |
| Valdez in october | freezing swimming |