Bunaken Sea Temperature
Updated Sat 13:32 (Asia/Makassar)
Indonesia · Forecast updated Aug 8, 2026, 13:32 UTC
Current Sea Temperature
29.8°C
85.6°F
Very warm water
Versus this month's average
0.3°C below
The August average in our archive is 30.1°C (86.1°F).
Recent trend
Holding fairly steady
Seven-day average: 30.1°C, versus 30.2°C in the prior seven days.
What to wear
Very warm water
Swimwear is usually enough; a rash guard adds sun protection.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.
Sea Surface Temperature Over the Year
In the data collected for Bunaken, monthly averages range from about 30.1°C (86.1°F) in August to 30.5°C (86.8°F) in June.
Over the past 30 days, the average sea temperature in Bunaken has been 30.4°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 30.0°C / 86.0°F | 30.5°C / 86.8°F | 31.1°C / 88.0°F |
| July | 29.9°C / 85.8°F | 30.5°C / 86.9°F | 31.1°C / 88.0°F |
| August | 29.7°C / 85.5°F | 30.1°C / 86.1°F | 30.4°C / 86.7°F |
Profile calculated from 1654 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Bunaken
Marine park island near Manado famous for vertical coral walls teeming with fish.
- Area
- North Sulawesi
Bunaken Water Temperature: Common Questions
What is the sea temperature in Bunaken today?
The current sea surface temperature in Bunaken is 29.8°C. Over the last 30 days, the average has been 30.4°C.
When is the water warmest in Bunaken?
The warmest monthly average in the Bunaken archive is June, at around 30.5°C (86.8°F).
When is the water coldest in Bunaken?
The coldest monthly average in the archive is August, at around 30.1°C (86.1°F).
Can you swim in Bunaken today?
At 29.8°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Bunaken.
View Snorkel Forecast →