Nusa Lembongan Sea Temperature
Updated Sat 17:52 (Asia/Makassar)
Indonesia · Forecast updated Sep 5, 2026, 17:52 UTC
Current Sea Temperature
25.8°C
78.4°F
Warm water
Versus this month's average
0.4°C below
The September average in our archive is 26.2°C (79.1°F).
Recent trend
Cooling by 0.5°C
Seven-day average: 26.3°C, versus 26.8°C in the prior seven days.
What to wear
Warm water
Most people are comfortable in swimwear or a light rash guard.
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 Nusa Lembongan, monthly averages range from about 26.2°C (79.1°F) in September to 28.0°C (82.5°F) in June.
Over the past 30 days, the average sea temperature in Nusa Lembongan has been 27.0°C.
Monthly Water Temperature Averages
Southern Hemisphere. Summer is generally December–February; winter is June–August.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 27.0°C / 80.6°F | 28.0°C / 82.5°F | 29.0°C / 84.2°F |
| July | 26.6°C / 79.9°F | 27.6°C / 81.6°F | 28.8°C / 83.8°F |
| August | 25.6°C / 78.1°F | 27.3°C / 81.1°F | 28.5°C / 83.3°F |
| September | 25.5°C / 77.9°F | 26.2°C / 79.1°F | 27.1°C / 80.8°F |
Profile calculated from 2330 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Nusa Lembongan
Island off Bali with mangrove channels, coral and frequent manta rays.
- Area
- Bali
Nusa Lembongan Water Temperature: Common Questions
What is the sea temperature in Nusa Lembongan today?
The current sea surface temperature in Nusa Lembongan is 25.8°C. Over the last 30 days, the average has been 27.0°C.
When is the water warmest in Nusa Lembongan?
The warmest monthly average in the Nusa Lembongan archive is June, at around 28.0°C (82.5°F).
When is the water coldest in Nusa Lembongan?
The coldest monthly average in the archive is September, at around 26.2°C (79.1°F).
Can you swim in Nusa Lembongan today?
At 25.8°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 Nusa Lembongan.
View Snorkel Forecast →