Current sea water temperature:
+73.0°F
| Minimum sea water temperature in October: | 73.4°F |
| Maximum sea water temperature in October: | 62.8°F |
| Average sea water temperature in October: | 68.2°F |
| more information | |
14 days
forecast
forecast
| Santa Catalina Island |
monthly
weather
weather
| Santa Catalina Island |
Sea water temperature for the last 10 days:
| October 4 | 73.0°F | September 29 | 73.2°F |
| October 3 | 73.2°F | September 28 | 73.8°F |
| October 2 | 72.9°F | September 27 | 72.7°F |
| October 1 | 72.3°F | September 26 | 73.0°F |
| September 30 | 72.9°F | September 25 | 73.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Santa Catalina Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Santa Catalina Island was noticed in August, September and July.
Monthly Sea Temperatures in Santa Catalina Island, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 73.7°F. The highest and lowest sea temperatures during the month were 76.3°F and 72.3°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 73.3°F. The highest and lowest sea temperatures during the month were 75.2°F and 72.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 69.6°F. The highest and lowest sea temperatures during the month were 73.0°F and 66.7°F.
current
weather
weather
| Santa Catalina Island |
weather in
October
October
| Santa Catalina Island |
Best time for vacation in Santa Catalina Island
Santa Catalina Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Santa Catalina Island
Local time: 08:26
October 04, sunday
0900
81°F
SW
2 mph
2 mph
1200
82°F
W
2 mph
2 mph
1500
84°F
E
7 mph
7 mph
1800
81°F
E
10 mph
10 mph
2100
79°F
SE
7 mph
7 mph
October 05, monday
0000
79°F
E
6 mph
6 mph
0300
79°F
SE
8 mph
8 mph
0600
79°F
SE
7 mph
7 mph
