Current Sea Water Temperature:
+90.6°F
| Maximum Sea Water Temperature in May: | 92.4°F |
| Minimum Sea Water Temperature in May: | 86.8°F |
| Average water temperature in May: | 89.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 13 | 90.6°F | May 08 | 90.4°F |
| May 12 | 91.2°F | May 07 | 90.6°F |
| May 11 | 91.0°F | May 06 | 90.6°F |
| May 10 | 90.2°F | May 05 | 90.4°F |
| May 09 | 90.0°F | May 04 | 90.2°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
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
The average sea surface temperature in April 2026 for Surabaya was 90.5°F. The maximum and minimum values were 89.0°F and 91.2°F respectively.
Sea Water Temperature in December
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.
Indonesia Resorts:
NAME
F°
| Bali |  |
+78 |
| Bintan | |
+86 |
| Denpasar | |
+82 |
| Gili | |
+84 |
| Jakarta |  |
+88 |
| Jimbaran | |
+86 |
| Kuta | |
+86 |
| Legian | |
+86 |
| Lombok |  |
+80 |
| Medan | |
+84 |
| Nusa Dua | |
+86 |
| Padang | |
+80 |
| Sanur | |
+82 |
| Seminyak | |
+86 |
| Yogyakarta | |
+78 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Surabaya
Local time: 19:31
13 may, wednesday
| 2100 |  |
86°F | W 4 mph |
14 may, thursday
| 0000 | |
84°F | W 2 mph |
| 0300 | |
82°F | E 2 mph |
| 0600 |  |
82°F | E 4 mph |
| 0900 |  |
92°F | NE 2 mph |
| 1200 | |
96°F | W 5 mph |
| 1500 | |
94°F | W 7 mph |
| 1800 |  |
86°F | W 5 mph |