Diamond Beach Penida Water Temperature & Swim Forecast
Coastal beach in Nusa Penida.
Warm water with a light chop and a light breeze — great swimming conditions.
Model estimate · modelled, not a buoy measurement. How accurate is this?
Location
Diamond Beach Penida on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
No wetsuit
At 26.6°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.
Recommendation tuned for Diamond Beach Penida's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Diamond Beach Penida swimming conditions summary
- Water temperature
- 26.6°C
- Water feels
- Warm
- Swimmable today
- Yes — comfortable for most swimmers
- Swim conditions score
- 87/100 · Excellent
- Wetsuit needed
- No wetsuit
- Air temperature
- —
- Waves
- —
- Wind
- —
- UV index
- —
- Average sea temperature (September)
- 27.0 °C
- Warmest months to swim
- January, February, March
At 26.6°C the water is warm enough to swim and surf in just a swimsuit or boardshorts. Model estimate. Water, wave, wind and UV values are Open-Meteo marine/weather model estimates, refreshed hourly — not buoy measurements.
Frequently asked questions
Can I swim at Diamond Beach Penida right now?
The sea at Diamond Beach Penida is currently 26.6°C — excellent swimming conditions. Most swimmers will find the water comfortable when it's above 22°C; below 18°C feels fresh and a wetsuit is recommended.
What will the sea temperature be at Diamond Beach Penida next week?
Based on long-term September averages and the latest marine model, expect the sea around Diamond Beach Penida to sit close to 27.7°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.
When is the best month to swim at Diamond Beach Penida?
January – February – March are typically the warmest months to swim at Diamond Beach Penida, with sea temperatures at their seasonal peak.
Do I need a wetsuit at Diamond Beach Penida?
With water currently at 26.6°C: above 22°C no wetsuit needed; 18–22°C a shorty is comfortable for long swims; 14–18°C a 3/2mm full suit; below 14°C a 4/3mm or thicker.
Can I swim at Diamond Beach Penida today?
The sea is currently 26.6°C — excellent swimming conditions. Most swimmers will find it pleasant.
- • Located in Bali, Indonesia (Indian Ocean).
- • Best suited to confident swimmers and watersports.
- • Live data refreshed hourly from Open-Meteo Marine.
Monthly sea temperature averages
Tap any month to see what to expect — based on regional climatology.
Best time to swim in Diamond Beach Penida
The sea in Diamond Beach Penida peaks in January, when the water averages around 29°C.
The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.
On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
The coldest month is typically July at around 27°C, when cold-water swimmers dominate the coast.
Diamond Beach Penida sits in the Southern Hemisphere, so the warmest sea coincides with the December–February summer and the coolest with July–August.
Diamond Beach Penida sea temperature history
Long-term climatology for Diamond Beach Penida shows an annual mean sea temperature of 28°C, ranging from 27°C in winter to 29°C at the summer peak.
The seasonal swing is roughly 2°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at Diamond Beach Penida, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Diamond Beach Penida sea temperature: frequently asked questions
What is the warmest month to swim in Diamond Beach Penida?
January is the warmest month in Diamond Beach Penida, when the sea averages about 29°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Diamond Beach Penida?
The coldest month in Diamond Beach Penida is typically July, when the water averages around 27°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Diamond Beach Penida without a wetsuit?
The main swimming season in Diamond Beach Penida runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in Diamond Beach Penida?
Diamond Beach Penida stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.
What is the average sea temperature in Diamond Beach Penida?
The long-term annual mean sea temperature in Diamond Beach Penida is about 28°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Diamond Beach Penida?
The live reading at the top of this page shows the current sea temperature in Diamond Beach Penida, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Year-round sea temperature
Best swim months: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec
| Month | Sea | Comfort |
|---|---|---|
| Jan ⭐ | 29°C | Hot |
| Feb | 29°C | Hot |
| Mar | 29°C | Hot |
| Apr | 29°C | Hot |
| May | 29°C | Hot |
| Jun | 28°C | Hot |
| Jul | 27°C | Hot |
| Aug | 27°C | Hot |
| Sep | 27°C | Hot |
| Oct | 28°C | Hot |
| Nov | 29°C | Hot |
| Dec | 29°C | Hot |
Nearby beaches
The closest coastline, with live water temperatures.