Swimming in Alaska in march 2026 Sea temperature by city in march
Do you want to go to the beach in Alaska in march 2026? 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 march in Alaska by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Alaska in march 2026
Here, find the average sea temperature in Alaska in march in several coastal cities.
36°F
min: 35°F / max: 38°F
35°F
min: 33°F / max: 38°F
33°F
min: 31°F / max: 35°F
39°F
min: 38°F / max: 41°F
43°F
min: 41°F / max: 45°F
Cordova
40°F
min: 38°F / max: 42°F
Gambell (St. Lawrence Island)
29°F
min: 29°F / max: 29°F
Haines
40°F
min: 38°F / max: 41°F
Kenai
35°F
min: 33°F / max: 38°F
Kodiak
40°F
min: 38°F / max: 42°F
Kotzebue
32°F
min: 29°F / max: 33°F
Nome
29°F
min: 29°F / max: 30°F
Sand Point
39°F
min: 37°F / max: 40°F
Valdez
39°F
min: 38°F / max: 41°F
Where should you go swimming in Alaska in the month of march?
Swimming in Alaska in march is freezing
In march 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 march! The water temperature is freezing, reaching as low as 35°F (and only 38°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 march: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in march
Anchorage
| March | |||
| Average sea temperature | 36°F | ||
| Minimum sea temperature | 35°F | ||
| Maximum sea temperature | 38°F | ||
| Average outside temperature | 25°F | ||
| Maximum outside temperature | 31°F | ||
| Minimum outside temperature | 20°F | ||
| Precipitation | 1.8in | ||
| Number of days of precipitation | 2 jour(s) (7%) | ||
| Cloud cover | 45% | ||
| Our opinion | freezing swimming |
More information on swimming in Anchorage in march
Anchor Point
| March | |||
| Average sea temperature | 35°F | ||
| Minimum sea temperature | 33°F | ||
| Maximum sea temperature | 38°F | ||
| Average outside temperature | 31°F | ||
| Maximum outside temperature | 32°F | ||
| Minimum outside temperature | 29°F | ||
| Precipitation | 3.5in | ||
| Number of days of precipitation | 6 jour(s) (18%) | ||
| Cloud cover | 50% | ||
| Our opinion | freezing swimming |
More information on swimming in Anchor Point in march
Dillingham
| March | |||
| Average sea temperature | 33°F | ||
| Minimum sea temperature | 31°F | ||
| Maximum sea temperature | 35°F | ||
| Average outside temperature | 22°F | ||
| Maximum outside temperature | 27°F | ||
| Minimum outside temperature | 16°F | ||
| Precipitation | 3.2in | ||
| Number of days of precipitation | 6 jour(s) (18%) | ||
| Cloud cover | 55% | ||
| Our opinion | freezing swimming |
More information on swimming in Dillingham in march
Dutch Harbor
| March | |||
| Average sea temperature | 39°F | ||
| Minimum sea temperature | 38°F | ||
| Maximum sea temperature | 41°F | ||
| Average outside temperature | 34°F | ||
| Maximum outside temperature | 36°F | ||
| Minimum outside temperature | 32°F | ||
| Precipitation | 5in | ||
| Number of days of precipitation | 7 jour(s) (24%) | ||
| Cloud cover | 68% | ||
| Our opinion | freezing swimming |
More information on swimming in Dutch Harbor in march
Ketchikan
| March | |||
| Average sea temperature | 43°F | ||
| Minimum sea temperature | 41°F | ||
| Maximum sea temperature | 45°F | ||
| Average outside temperature | 38°F | ||
| Maximum outside temperature | 41°F | ||
| Minimum outside temperature | 34°F | ||
| Precipitation | 14.8in | ||
| Number of days of precipitation | 15 jour(s) (48%) | ||
| Cloud cover | 64% | ||
| Our opinion | freezing swimming |
More information on swimming in Ketchikan in march
List of coastal cities in Alaska
| Anchorage in march | freezing swimming |
| Anchor Point in march | freezing swimming |
| Dillingham in march | freezing swimming |
| Dutch Harbor in march | freezing swimming |
| Ketchikan in march | freezing swimming |
| Cordova in march | freezing swimming |
| Gambell (St. Lawrence Island) in march | freezing swimming |
| Haines in march | freezing swimming |
| Kenai in march | freezing swimming |
| Kodiak in march | freezing swimming |
| Kotzebue in march | freezing swimming |
| Nome in march | freezing swimming |
| Sand Point in march | freezing swimming |
| Valdez in march | freezing swimming |