Current sea water temperature:
+68.7°F
| Minimum sea water temperature in October: | 71.2°F |
| Maximum sea water temperature in October: | 61.0°F |
| Average sea water temperature in October: | 65.7°F |
| more information | |
14 days
forecast
forecast
| Opatija |
monthly
weather
weather
| Opatija |
Sea water temperature for the last 10 days:
| October 4 | 68.7°F | September 29 | 70.3°F |
| October 3 | 69.6°F | September 28 | 70.2°F |
| October 2 | 69.6°F | September 27 | 70.7°F |
| October 1 | 69.4°F | September 26 | 70.7°F |
| September 30 | 70.0°F | September 25 | 71.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Opatija?
Based on the data about daily sea water temperature for the last three years the warmest sea in Opatija was noticed in August, July and September.
Monthly Sea Temperatures in Opatija, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 78.5°F. The highest and lowest sea temperatures during the month were 81.1°F and 75.4°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.9°F. The highest and lowest sea temperatures during the month were 79.9°F and 75.0°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 74.5°F. The highest and lowest sea temperatures during the month were 78.4°F and 70.0°F.
current
weather
weather
| Opatija |
weather in
October
October
| Opatija |
Best time for vacation in Opatija
Opatija on a weather map
Places in Croatia:
Name
°F
24 Hours Forecast
Opatija
Local time: 15:14
October 04, sunday
1800
64°F
SW
2 mph
2 mph
2100
61°F
SW
6 mph
6 mph
October 05, monday
0000
59°F
SW
6 mph
6 mph
0300
57°F
SW
6 mph
6 mph
0600
57°F
SW
6 mph
6 mph
0900
63°F
SW
4 mph
4 mph
1200
70°F
NE
2 mph
2 mph
1500
70°F
E
1 mph
1 mph
