Measurements:
°C
°F
Prince Edward Island
56°F
NW 14 mph
Feels like: 52°F
Precip: 33%
World Resorts Canada Prince Edward Island Weather

Prince Edward Island Sea Water Temperature

Current Sea Water Temperature:
+58.8°F
Maximum Sea Water Temperature in September: 73.0°F
Minimum Sea Water Temperature in September: 58.2°F
Average water temperature in September: 65.3°F

Sea Water Temperature for the Last 10 Days:

September 28 58.8°F September 23 60.6°F
September 27 59.2°F September 22 60.6°F
September 26 59.6°F September 21 61.0°F
September 25 60.0°F September 20 61.4°F
September 24 60.2°F September 19 61.4°F

When is the Warmest Sea for Prince Edward Island?

According to our data for the last three years for Prince Edward Island the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Prince Edward Island was 70.5°F. The maximum and minimum values were 67.0°F and 72.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Prince Edward Island was 66.4°F. The maximum and minimum values were 58.8°F and 69.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Prince Edward Island was 62.7°F. The maximum and minimum values were 58.8°F and 69.0°F respectively.

Best Time to Visit Prince Edward Island
The most sunny months:
August 12 days
October 11 days
May 10 days
The most warm months:
August 74.5 °F
July 73.9 °F
September 65.7 °F
Warmest sea temperature:
August 71.0 °F
July 68.0 °F
September 65.2 °F
The most cold months:
February 21.1 °F
January 22.1 °F
March 29.5 °F
The most rainy months:
November 4 days
August 3 days
September 3 days
The most windy months:
November 15 mph
December 15 mph
January 13 mph

Prince Edward Island on the Weather Map

Canada Resorts:
NAME
F°
Halifax +56
Moncton +54
Montreal +52
Nanaimo +58
Niagara Falls +64
Ottawa +54
Prince Edward Island +56
Quebec +50
Saint Andrews +56
St. John's +42
Sydney +54
Toronto +72
Vancouver +58
Victoria +58
Winnipeg +52
24 Hours Weather Forecast
Prince Edward Island
Local time: 18:54
28 sep, monday
2100 54°F
W
15 mph
29 sep, tuesday
0000 54°F
W
14 mph
0300 54°F
NW
13 mph
0600 56°F
W
11 mph
0900 56°F
W
11 mph
1200 60°F
NW
9 mph
1500 62°F
W
6 mph
1800 58°F
SW
7 mph