04.17
thu
thu
DAY

60°F
N 7 mph
precip
100%
100%
NIGHT

52°F
N 5 mph
precip
100%
100%
04.18
fri
fri
DAY

50°F
NE 2 mph
precip
100%
100%
NIGHT

50°F
W 1 mph
precip
100%
100%
04.19
sat
sat
DAY

50°F
N 4 mph
precip
100%
100%
NIGHT

52°F
W 1 mph
precip
0%
0%
04.20
sun
sun
DAY

52°F
N 4 mph
precip
85%
85%
NIGHT

52°F
SW 2 mph
precip
0%
0%
04.21
mon
mon
DAY

60°F
N 2 mph
precip
78%
78%
NIGHT

54°F
S 4 mph
precip
100%
100%
04.22
tue
tue
DAY

66°F
SW 4 mph
precip
84%
84%
NIGHT

56°F
SW 5 mph
precip
22%
22%
04.23
wed
wed
DAY

62°F
N 3 mph
precip
100%
100%
NIGHT

54°F
W 1 mph
precip
100%
100%
Weather in
April
April
Opatija |
14 day weather
forecast
forecast
Opatija |
Monthly weather
averages
averages
Opatija |
Sea water
temperature
temperature
Opatija |
Opatija Sea Water Temperature in April, °F
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
7
9
11
13
15
17
19
21
The average sea surface temperature in April 2025 for Opatija was 12.7°F. The maximum and minimum values were 12.1°F and 13.3°F respectively.