Measurements:
°C
°F
Surabaya
92°F
E 8 mph
Feels like: 100°F
Precip: 0%
World Resorts Indonesia Surabaya Weather

Surabaya Sea Water Temperature

Current Sea Water Temperature:
+87.2°F
Maximum Sea Water Temperature in March: 92.8°F
Minimum Sea Water Temperature in March: 85.4°F
Average water temperature in March: 88.8°F

Sea Water Temperature for the Last 10 Days:

March 10 87.2°F March 05 87.4°F
March 09 87.4°F March 04 86.6°F
March 08 87.0°F March 03 86.6°F
March 07 87.2°F March 02 87.0°F
March 06 87.4°F March 01 87.0°F

When is the Warmest Sea for Surabaya?

According to our data for the last three years for Surabaya the highest average sea water temperature was in November, April and December.

Average Water Temperature by Month, °F

Sea Water Temperature in November

Select Year: 2025 2024 2023

The average sea surface temperature in November 2025 for Surabaya was 90.3°F. The maximum and minimum values were 89.6°F and 91.8°F respectively.

Sea Water Temperature in April

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Surabaya was 89.9°F. The maximum and minimum values were 89.0°F and 91.0°F respectively.

Sea Water Temperature in December

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Surabaya was 89.9°F. The maximum and minimum values were 89.0°F and 91.6°F respectively.

Best Time to Visit Surabaya
The most sunny months:
September 26 days
August 26 days
July 24 days
The most warm months:
October 98.7 °F
September 97.7 °F
November 97.0 °F
Warmest sea temperature:
November 90.7 °F
April 90.2 °F
December 89.9 °F
The most cold months:
February 92.1 °F
January 92.3 °F
March 93.9 °F
The most rainy months:
January 17 days
February 16 days
March 16 days
The most windy months:
January 7 mph
September 6 mph
February 6 mph

Surabaya on the Weather Map

Indonesia Resorts:
NAME
Bali +78
Bintan +88
Denpasar +84
Gili +84
Jakarta +92
Jimbaran +86
Kuta +86
Legian +86
Lombok +80
Nusa Dua +86
Padang +84
Sanur +84
Seminyak +86
Trawangan +84
Yogyakarta +88
24 Hours Weather Forecast
Surabaya
Local time: 15:47
10 mar, tuesday
1800 84°F
SE
6 mph
2100 82°F
SE
5 mph
11 mar, wednesday
0000 80°F
NE
5 mph
0300 78°F
E
5 mph
0600 76°F
E
5 mph
0900 88°F
E
6 mph
1200 94°F
E
9 mph
1500 92°F
E
9 mph