Current Sea Water Temperature:
+90.6°F
| Maximum Sea Water Temperature in December: | 93.0°F |
| Minimum Sea Water Temperature in December: | 87.6°F |
| Average water temperature in December: | 89.9°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 18 | 90.6°F | December 13 | 89.2°F |
| December 17 | 90.6°F | December 12 | 89.4°F |
| December 16 | 89.0°F | December 11 | 89.4°F |
| December 15 | 89.0°F | December 10 | 89.6°F |
| December 14 | 89.2°F | December 09 | 89.6°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 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
The average sea surface temperature in December 2025 for Surabaya was 90.0°F. The maximum and minimum values were 89.0°F and 91.6°F respectively.
Indonesia Resorts:
NAME
F°
| Bali |  |
+78 |
| Bintan |  |
+82 |
| Denpasar |  |
+80 |
| Gili | |
+82 |
| Jakarta |  |
+82 |
| Jimbaran | |
+84 |
| Kuta | |
+84 |
| Legian | |
+84 |
| Lombok | |
+80 |
| Medan |  |
+78 |
| Nusa Dua | |
+84 |
| Padang | |
+72 |
| Sanur | |
+80 |
| Seminyak | |
+84 |
| Yogyakarta | |
+76 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Surabaya
Local time: 05:22
19 dec, friday
| 0600 |  |
80°F | SE 4 mph |
| 0900 |  |
86°F | E 4 mph |
| 1200 |  |
92°F | SE 6 mph |
| 1500 | |
90°F | SE 11 mph |
| 1800 | |
84°F | SE 11 mph |
| 2100 | |
82°F | SE 8 mph |
20 dec, saturday
| 0000 | |
80°F | E 11 mph |
| 0300 |  |
80°F | E 7 mph |