Whittier, Prince William Sound Sea Temperature in April
Alaska, United States
Average sea temperature for Whittier, Prince William Sound, United States across April, based on 10 years of daily readings.
Average
5.13° C
High
7.69° C
Low
3.58° C
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.
April is the 9th warmest of 12 months at Whittier, Prince William Sound. On average the water sits 3.4° than the year-round mean of 8.49° C.
Compared to March, April is 1.2° warmer than (3.96° C in March). By May the water is usually 7.84° C.
Whittier, Prince William Sound Day-by-Day Water Temperature in April
10-year low, average and high
Each vertical bar above is one day of April. 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 Whittier, Prince William Sound.
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.
April Water Temperature Table for Whittier, Prince William Sound
10-year daily averages
| Day | Average | Low | High |
|---|---|---|---|
| April 1 | 4.29° C | 3.72° C | 5.19° C |
| April 2 | 4.36° C | 3.74° C | 5.21° C |
| April 3 | 4.42° C | 3.7° C | 5.33° C |
| April 4 | 4.41° C | 3.73° C | 5.48° C |
| April 5 | 4.43° C | 3.73° C | 5.54° C |
| April 6 | 4.48° C | 3.62° C | 5.68° C |
| April 7 | 4.45° C | 3.58° C | 5.51° C |
| April 8 | 4.45° C | 3.6° C | 5.28° C |
| April 9 | 4.53° C | 3.73° C | 5.3° C |
| April 10 | 4.56° C | 3.76° C | 5.33° C |
| April 11 | 4.56° C | 3.72° C | 5.3° C |
| April 12 | 4.57° C | 3.79° C | 5.07° C |
| April 13 | 4.66° C | 3.82° C | 5.1° C |
| April 14 | 4.73° C | 3.94° C | 5.24° C |
| April 15 | 4.81° C | 4.15° C | 5.31° C |
| April 16 | 4.94° C | 4.21° C | 5.26° C |
| April 17 | 5.1° C | 4.55° C | 5.5° C |
| April 18 | 5.23° C | 4.76° C | 5.62° C |
| April 19 | 5.41° C | 4.98° C | 5.82° C |
| April 20 | 5.52° C | 5.13° C | 5.76° C |
| April 21 | 5.58° C | 5.3° C | 6° C |
| April 22 | 5.65° C | 5.24° C | 6.12° C |
| April 23 | 5.84° C | 5.22° C | 6.26° C |
| April 24 | 6° C | 5.37° C | 6.45° C |
| April 25 | 6.11° C | 5.65° C | 6.76° C |
| April 26 | 5.96° C | 5.04° C | 7.08° C |
| April 27 | 6.24° C | 5.15° C | 7.47° C |
| April 28 | 6.31° C | 5.44° C | 7.58° C |
| April 29 | 6.31° C | 5.45° C | 7.69° C |
| April 30 | 6.29° C | 5.57° C | 7.64° C |
Where April Sits in the Year
April highlighted
Nearby Locations in April
Compare other United States water for the same month
- Whittier, Passage Canal, Prince William Sound, Alaska April →
- Long Bay Entrance, Culross Passage, Prince William Sound, Alaska April →
- Culross Bay, Wells Passage, Prince William Sound, Alaska April →
- Applegate Island, Prince William Sound, Alaska April →
- South Bay, Perry Island April →
- Sunrise, Turnagain Arm, Cook Inlet, Alaska April →
Whittier, Prince William Sound Location
60.7783, -148.6650
Whittier, Prince William Sound sits at 60.7783°N, 148.6650°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 Whittier, Prince William Sound
- Whittier, Passage Canal, Prince William Sound, Alaska, 0.6 km N
- Long Bay Entrance, Culross Passage, Prince William Sound, Alaska, 24 km SE
- Culross Bay, Wells Passage, Prince William Sound, Alaska, 27 km E
- Applegate Island, Prince William Sound, Alaska, 32 km SE
- South Bay, Perry Island, 42 km E
- Sunrise, Turnagain Arm, Cook Inlet, Alaska, 44 km W