Current sea water temperature:
+42.3°F
| Minimum sea water temperature in May: | 52.5°F |
| Maximum sea water temperature in May: | 37.2°F |
| Average sea water temperature in May: | 43.8°F |
| more information | |
14 days
forecast
forecast
| Girdwood |
monthly
weather
weather
| Girdwood |
Sea water temperature for the last 10 days:
| May 19 | 42.3°F | May 14 | 40.8°F |
| May 18 | 42.1°F | May 13 | 40.5°F |
| May 17 | 41.9°F | May 12 | 40.3°F |
| May 16 | 40.8°F | May 11 | 40.8°F |
| May 15 | 40.6°F | May 10 | 40.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Girdwood?
Based on the data about daily sea water temperature for the last three years the warmest sea in Girdwood was noticed in August, July and September.
Monthly Sea Temperatures in Girdwood, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 52.8°F. The highest and lowest sea temperatures during the month were 55.9°F and 50.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 56.8°F and 52.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 51.4°F. The highest and lowest sea temperatures during the month were 53.6°F and 49.5°F.
current
weather
weather
| Girdwood |
weather in
May
May
| Girdwood |
Best time for vacation in Girdwood
Girdwood on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Girdwood
Local time: 04:33
May 19, tuesday
0600

36°F
W
11 mph
11 mph
0900

37°F
W
11 mph
11 mph
1200

37°F
W
11 mph
11 mph
1500

39°F
NW
10 mph
10 mph
1800

37°F
NW
9 mph
9 mph
2100

37°F
W
9 mph
9 mph
May 20, wednesday
0000

37°F
W
9 mph
9 mph
0300

36°F
W
9 mph
9 mph































