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Cape Mordvinof, Unimak Island, Alaska Sea Temperature in March

Alaska, United States

February Cape Mordvinof, Unimak Island, Alaska year-round → April

Average sea temperature for Cape Mordvinof, Unimak Island, Alaska, United States across March, based on 10 years of daily readings.

Average

3.04° C

High

4.62° C

Low

-0.54° C

Water at this temperature is freezing cold, can cause pain and takes your breath away. Unless you are very experienced and are under strict supervision, swimming in this water for more than a few minutes can be very dangerous. Be careful, stay safe, and enjoy the rush of endorphins and exhilaration from a brief cold water swim.

March is the 12th warmest of 12 months at Cape Mordvinof, Unimak Island, Alaska. On average the water sits 3.2° than the year-round mean of 6.21° C.

Compared to February, March is 0.6° cooler than (3.61° C in February). By April the water is usually 3.17° C.

Cape Mordvinof, Unimak Island, Alaska Day-by-Day Water Temperature in March

10-year low, average and high

-1.5° C
0.3° C
2.0° C
3.8° C
5.5° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through March. Range Average

Each vertical bar above is one day of March. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Cape Mordvinof, Unimak Island, Alaska.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

March Water Temperature Table for Cape Mordvinof, Unimak Island, Alaska

10-year daily averages

Day Average Low High
March 1 3.58° C 2.59° C 4.62° C
March 2 3.39° C 2.62° C 4.5° C
March 3 3.32° C 2.71° C 4.28° C
March 4 3.25° C 2.71° C 4.07° C
March 5 3.34° C 2.59° C 4.33° C
March 6 3.42° C 2.63° C 4.4° C
March 7 3.24° C 2.49° C 3.97° C
March 8 3.2° C 2.5° C 3.99° C
March 9 3.15° C 2.43° C 4.03° C
March 10 3.16° C 2.28° C 4.05° C
March 11 3.15° C 2.13° C 3.97° C
March 12 3.16° C 2.13° C 3.84° C
March 13 3.14° C 2.11° C 4.05° C
March 14 3.13° C 1.84° C 4.13° C
March 15 3.11° C 1.78° C 4.05° C
March 16 3.05° C 1.68° C 3.78° C
March 17 3° C 1.53° C 3.74° C
March 18 3.01° C 1.5° C 3.72° C
March 19 3.04° C 1.52° C 3.69° C
March 20 3° C 1.39° C 3.69° C
March 21 2.93° C 1.08° C 3.72° C
March 22 2.89° C 0.95° C 3.68° C
March 23 2.83° C 0.78° C 3.64° C
March 24 2.79° C 0.55° C 3.64° C
March 25 2.81° C 0.32° C 3.98° C
March 26 2.78° C 0.01° C 4° C
March 27 2.72° C -0.23° C 3.92° C
March 28 2.68° C -0.42° C 3.89° C
March 29 2.69° C -0.54° C 4.06° C
March 30 2.67° C -0.54° C 4.05° C
March 31 2.59° C -0.48° C 3.75° C

Where March Sits in the Year

March highlighted

-3.0° C
1.9° C
6.8° C
11.6° C
16.5° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
4.23° C
3.61° C
3.04° C
3.17° C
4.74° C
6.93° C
9.16° C
10.31° C
9.2° C
8.06° C
6.76° C
5.35° C
10-year monthly history for Cape Mordvinof, Unimak Island, Alaska. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in March

Compare other United States water for the same month

Cape Mordvinof, Unimak Island, Alaska Location

54.9283, -164.4670

54.92830, -164.46699 View on OpenStreetMap →

Cape Mordvinof, Unimak Island, Alaska sits at 54.9283°N, 164.4670°W, on the coast of Alaska, United States. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.

Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.

Nearest locations to Cape Mordvinof, Unimak Island, Alaska