30.08
sun
sun
Day
88°F
NW 14 mph
Precip.
2%
2%
Night
79°F
W 10 mph
Precip.
7%
7%
31.08
mon
mon
Day
90°F
W 12 mph
Precip.
3%
3%
Night
81°F
W 9 mph
Precip.
9%
9%
01.09
tue
tue
Day
88°F
W 9 mph
Precip.
4%
4%
Night
79°F
NW 4 mph
Precip.
14%
14%
02.09
wed
wed
Day
90°F
W 9 mph
Precip.
1%
1%
Night
79°F
NW 6 mph
Precip.
8%
8%
03.09
thu
thu
Day
88°F
W 9 mph
Precip.
10%
10%
Night
79°F
NW 6 mph
Precip.
10%
10%
04.09
fri
fri
Day
90°F
W 8 mph
Precip.
1%
1%
Night
77°F
NE 5 mph
Precip.
11%
11%
05.09
sat
sat
Day
88°F
NW 9 mph
Precip.
9%
9%
Night
77°F
NE 7 mph
Precip.
12%
12%
sea water
temperature
temperature
| Surabaya |
monthly
weather
weather
| Surabaya |
current
weather
weather
| Surabaya |
14 days
forecast
forecast
| Surabaya |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 82.3°F. The highest and lowest sea temperatures during the month were 83.1°F and 81.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 86.7°F and 83.5°F.
Air temperature in Surabaya, °F
Precipitation total in Surabaya, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Surabaya
Surabaya on a weather map
Places in Indonesia:
Name
°F
24 Hours Forecast
Surabaya
Local time: 13:28
August 30, sunday
1500
88°F
NW
15 mph
15 mph
1800
82°F
W
12 mph
12 mph
2100
81°F
W
11 mph
11 mph
August 31, monday
0000
79°F
W
10 mph
10 mph
0300
79°F
NW
9 mph
9 mph
0600
77°F
NW
6 mph
6 mph
0900
84°F
W
11 mph
11 mph
1200
90°F
W
12 mph
12 mph
