Current Sea Water Temperature:
+76.6°F
| Maximum Sea Water Temperature in March: | 81.4°F |
| Minimum Sea Water Temperature in March: | 72.0°F |
| Average water temperature in March: | 76.4°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| March 14 | 76.6°F | March 09 | 80.0°F |
| March 13 | 77.8°F | March 08 | 80.4°F |
| March 12 | 79.0°F | March 07 | 79.2°F |
| March 11 | 79.0°F | March 06 | 79.0°F |
| March 10 | 80.0°F | March 05 | 78.2°F |
When is the Warmest Sea for Perth?
According to our data for the last three years for Perth the highest average sea water temperature was in February, January and March.
Average Water Temperature by Month, °F
Sea Water Temperature in February
The average sea surface temperature in February 2026 for Perth was 77.9°F. The maximum and minimum values were 76.4°F and 79.6°F respectively.
Sea Water Temperature in January
The average sea surface temperature in January 2026 for Perth was 77.6°F. The maximum and minimum values were 76.0°F and 80.0°F respectively.
Sea Water Temperature in March
The average sea surface temperature in March 2025 for Perth was 77.4°F. The maximum and minimum values were 75.2°F and 80.0°F respectively.
Australia Resorts:
NAME
F°
| Adelaide |  |
+66 |
| Brisbane |  |
+72 |
| Cairns |  |
+80 |
| Canberra |  |
+52 |
| Darwin | |
+84 |
| Fraser | |
+76 |
| Gold Coast | |
+72 |
| Melbourne | |
+62 |
| Perth | |
+76 |
| Sydney | |
+68 |
| Tasmania | |
+52 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Perth
Local time: 20:41
14 mar, saturday
| 2100 |  |
76°F | NW 12 mph |
15 mar, sunday
| 0000 | |
74°F | NW 14 mph |
| 0300 |  |
70°F | NW 11 mph |
| 0600 | |
68°F | W 11 mph |
| 0900 |  |
76°F | W 12 mph |
| 1200 |  |
86°F | NW 6 mph |
| 1500 | |
88°F | N 9 mph |
| 1800 | |
82°F | N 12 mph |