Current sea water temperature:
+86.2°F
| Minimum sea water temperature in May: | 88.2°F |
| Maximum sea water temperature in May: | 83.1°F |
| Average sea water temperature in May: | 85.8°F |
| more information | |
14 days
forecast
forecast
| Surabaya |
monthly
weather
weather
| Surabaya |
Sea water temperature for the last 10 days:
| May 18 | 86.2°F | May 13 | 86.5°F |
| May 17 | 86.5°F | May 12 | 87.1°F |
| May 16 | 86.4°F | May 11 | 86.9°F |
| May 15 | 86.7°F | May 10 | 86.2°F |
| May 14 | 86.9°F | May 9 | 86.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Surabaya?
Based on the data about daily sea water temperature for the last three years the warmest sea in Surabaya was noticed in November, April and December.
Monthly Sea Temperatures in Surabaya, °F
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 87.6°F and 85.6°F.
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 86.5°F. The highest and lowest sea temperatures during the month were 87.1°F and 85.1°F.
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 85.9°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.1°F.
current
weather
weather
| Surabaya |
weather in
May
May
| Surabaya |
Best time for vacation in Surabaya
Surabaya on a weather map
Places in Indonesia:
Name
°F
24 Hours Forecast
Surabaya
Local time: 19:08
May 18, monday
2100

79°F
SW
1 mph
1 mph
May 19, tuesday
0000

79°F
W
3 mph
3 mph
0300

77°F
NW
3 mph
3 mph
0600

77°F
N
4 mph
4 mph
0900

84°F
NW
6 mph
6 mph
1200

88°F
W
6 mph
6 mph
1500

88°F
W
5 mph
5 mph
1800

82°F
W
6 mph
6 mph


























