World Resorts Indonesia Surabaya Weather

Surabaya sea water temperature

Current sea water temperature:
+85.5°F
Minimum sea water temperature in October: 87.6°F
Maximum sea water temperature in October: 81.9°F
Average sea water temperature in October: 85.3°F

Sea water temperature for the last 10 days:

October 28 85.5°F October 23 86.7°F
October 27 85.6°F October 22 86.7°F
October 26 86.0°F October 21 86.5°F
October 25 86.2°F October 20 86.5°F
October 24 86.4°F October 19 86.4°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.

Best time for vacation in Surabaya

Sunniest months:
September 25 days
August 25 days
July 24 days
Warmest months:
October 93.8 °F
September 92.7 °F
November 92.3 °F
Warmest sea temp:
November 86.7 °F
April 86.2 °F
December 85.9 °F
Coldest months:
February 87.8 °F
January 88.0 °F
March 89.3 °F
Rainiest months:
January 17 days
February 16 days
March 16 days
Windiest months:
January 7.0 mph
September 6.8 mph
August 6.6 mph

Surabaya on a weather map

Surabaya
+93°F
SW 7 mph
Feels like: +99°F
Precip.: 1%
Places in Indonesia:
Name
°F
+88°F
+82°F
+84°F
+82°F
+88°F
+82°F
+84°F
+82°F
+82°F
+82°F
+86°F
+81°F
+82°F
+82°F
+86°F
24 Hours Forecast
Surabaya
Local time: 14:26
October 29, thursday
1500
93°F
SW
7 mph
1800
88°F
W
6 mph
2100
84°F
W
6 mph
October 30, friday
0000
82°F
NW
3 mph
0300
82°F
NE
2 mph
0600
82°F
E
2 mph
0900
91°F
SE
0 mph
1200
95°F
W
7 mph
Units of measurement: °C / °F