Surf Forecasts:
Shipwrecks (Nusa Lembongan) surf forecast from 26 Aug 2026:
- Best quality surf: Friday 28 Aug, 2AM (local time) - 7ft (2.1m), 18s period, SSW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 8AM (local time) - 7ft (2.2m), 17s period, SSW swell with 2,895 kJ wave energy.
- Next surfable swell (1★+): Thursday 27 Aug, 8AM (local time) - 3ft (0.9m), 16s period with SSW swell.
Best Forecast Surf Conditions for Shipwrecks (Nusa Lembongan) this week:
The surf forecast for Shipwrecks (Nusa Lembongan) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 27) at 8AM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 0.9m and 12s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Shipwrecks (Nusa Lembongan) in the next 16 days are 2.2m 17s and forecast to arrive on Friday (Aug 28) at 8AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Tuesday (Sep 01) at 8AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 27th Aug) | 3ft (0.9m) 16s |
| Best Surf | 2AM (Fri 28th Aug) | 7ft (2.1m) 18s |
| Most Powerful | 8AM (Fri 28th Aug) | 7ft (2.2m) 17s |
Table - best surf conditions forecast for Shipwrecks (Nusa Lembongan) over the next 16 days.
The Lowdown
Alright, Rusty here, and I’ve got my eyes on the water for you.
We’re looking at a solid run of surf coming up at Shipwrecks (Nusa Lembongan) – a consistent, protected reef that knows how to hold a swell. The water is sitting at 81°, which is right around what you’d expect for this time of year, so no surprises there. The overall pattern is a slow build into some proper SSW groundswell, with clean conditions holding for most of the forecast period.
The real standout is Friday the 28th of August. We’ve got a solid 7ft SSW swell rolling in with a 16-second period, pushing serious energy (2667). That’s proper groundswell, and with the wind staying cross-off and clean, you’re looking at excellent, powerful lines. This one is for the experienced crew – it’s got some punch.
The next best is Tuesday the 1st of September. Another strong SSW pulse, 6ft at 18 seconds, with moderate offshore winds. The energy is up there (2032), and those long-period waves will be stacking up nicely. Again, this is for the advanced surfers.
Saturday the 29th and Sunday the 30th are still very good, with 6ft and 4ft SSW swells, light to moderate offshore winds, and clean conditions. The energy drops a bit but it’s still fun, especially for the intermediate crew.
There’s a lull around the 4th and 5th of September where the swell dips and the wind turns cross-off, but it picks up again by the 9th with another 5ft SSW swell and a 17-second period, bringing that long-period power back. The last few days of the forecast, from the 10th onward, have more 6ft SSW swell with light winds – promising but we’re getting into the second week, so keep an eye on it.
Overall, the best windows are Friday the 28th and Tuesday the 1st. Don’t sleep on the 9th either, especially if you like a longer period. There’s a bit of a gap around the 4th, but it’s only a few days. This reef handles the swell really well, so you’re in for a treat.
Rusty.
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 26°C on Thu morning, min 24°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Mon night. Warm (max 26°C on Sun morning, min 24°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 16 | SSW 20 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 19 | SW 18 | SSW 18 | SSW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 425 | 670 | 2832 | 2631 | 2206 | 1743 | 1332 | 1130 | 763 | 536 | 458 | 578 | 752 | 1159 | 1431 | 1974 | 1599 | 1677 | 1436 | 1256 | 906 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | off | off | cross-off | off | off | cross-off | off | off | off | off | off | cross-off | off |
High Tide | 9:51AM1.91m | 10:59PM1.61m | 10:24AM1.97m | 11:16PM1.73m | 10:57AM1.98m | 11:36PM1.85m | 11:29AM1.95m | 11:57PM1.95m | 12:01PM1.86m | 00:19AM2.02m | 12:34PM1.72m | 00:45AM2.06m | 1:09PM1.55m | 1:13AM2.05m | |||||||
Low Tide | 4:41PM0.22m | 4:25AM0.72m | 5:03PM0.20m | 4:58AM0.59m | 5:25PM0.22m | 5:31AM0.48m | 5:46PM0.27m | 6:05AM0.39m | 6:08PM0.34m | 6:41AM0.35m | 6:29PM0.43m | 7:19AM0.35m | 6:50PM0.54m | ||||||||
 |  |  | | |  | | | | | |  | | | | | | | | | | |
 | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — |
 | — | 6:16 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 26 | 26 | 24 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 |
Feels °C | 27 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 24 | 25 | 26 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 12 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SW 18 | SSW 18 | SSW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 |
| kJ | 425 | 308 | 2832 | 2631 | 2206 | 1743 | 1332 | 1130 | 763 | 536 | 458 | 309 | 752 | 1159 | 1431 | 1974 | 1599 | 1677 | 1436 | 1256 | 906 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 15 | — | SE 6 | S 5 | ESE 6 | SE 6 | S 26 | SSW 23 | SE 6 | SE 6 | SSW 19 | SSW 12 | SSW 11 | SSW 11 | SE 6 | NE 7 | NE 7 | SE 6 | NE 7 | NE 7 |
| kJ | 255 | 387 | — | 36 | 14 | 13 | 8 | 13 | 54 | 46 | 39 | 578 | 222 | 166 | 103 | 58 | 7 | 8 | 60 | 9 | 8 |
Swell 3 Height (m) Direction Period (s) | SSW 22 | SSW 20 | — | — | ESE 6 | SSW 6 | — | SSE 6 | SSW 24 | SSW 21 | SSW 21 | SE 6 | NE 6 | NE 7 | NE 7 | NE 7 | — | — | NE 7 | — | — |
| kJ | 183 | 670 | — | — | 11 | 12 | — | 18 | 54 | 180 | 256 | 20 | 6 | 8 | 8 | 7 | — | — | 7 | — | — |
Wind waves Height (m) Direction Period (s) | SE 5 | SE 5 | — | — | — | — | — | SE 6 | SE 6 | SE 6 | SE 6 | — | SE 5 | SE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 |
| kJ | 17 | 17 | — | — | — | — | — | 27 | 27 | 61 | 64 | — | 22 | 23 | 47 | 80 | 54 | 92 | 95 | 75 | 99 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
Best forecast wave conditions in Nusa Lembongan - Bali | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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Information about the Shipwrecks (Nusa Lembongan) Surf forecast
The above surf forecast table for Shipwrecks (Nusa Lembongan) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Shipwrecks (Nusa Lembongan) can be found by selecting the local surf guide option on the grey menu. Our Shipwrecks (Nusa Lembongan) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Shipwrecks (Nusa Lembongan)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Shipwrecks (Nusa Lembongan) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Shipwrecks (Nusa Lembongan) is 16 km (10 miles) from the city of Klungkung. If you plan a holiday in Nusa Lembongan - Bali, look for hotels and other accommodation in Klungkung. Klungkung has rooms for a wide range of budgets as well as car hire and transport links.
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