Surf Forecasts:
Shipwrecks (Nusa Lembongan) surf forecast from 22 Aug 2026:
- Best quality surf: Thursday 27 Aug, 8PM (local time) - 4.5ft (1.4m), 20s period, SSW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 8AM (local time) - 8ft (2.5m), 17s period, SSW swell with 3,509 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 5AM (local time) - 5.5ft (1.7m), 15s 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 Sunday (Aug 23) at 5AM. The primary swell is predicted to be 1.7m and 15s period with a secondary swell of 0.5m and 21s. 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 2.5m 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 1.3m 6s period and expected on Tuesday (Aug 25) at 8AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 23rd Aug) | 5.5ft (1.7m) 15s |
| Best Surf | 8PM (Thu 27th Aug) | 4.5ft (1.4m) 20s |
| Most Powerful | 8AM (Fri 28th Aug) | 8ft (2.5m) 17s |
Table - best surf conditions forecast for Shipwrecks (Nusa Lembongan) over the next 16 days.
The Lowdown
G’day, Rusty here. We’ve got a solid run of surf lined up at Shipwrecks on Nusa Lembongan. It’s a sheltered reef break, so it needs a decent push to get going, and that push is coming. The water temp’s sitting about average for this time of year, so no surprises there.
The pattern kicks off Sunday the 23rd with a clean, moderate offshore breeze out of the SE and a solid 6 ft SSW groundswell pumping in at 15 seconds. The energy is strong (1653), and the wave quality is dialled. It’s an advanced wave, and with crowds possible, you’ll want your wits about you. That same quality holds into Monday morning, still 6 ft and 16 seconds (1379). Tuesday eases a touch to 5 ft, but the wind stays offshore and the 16-second period keeps things lined up nicely – a very good session.
Wednesday the 26th sees a slight drop to 4 ft-5 ft, still clean but a little less push. Thursday dips further to 3 ft-4 ft, though the 20-second period on Thursday afternoon (1701) is ridiculous – that’s proper groundswell energy, but at a reef, it’ll still bend in nicely.
The standout is Friday the 28th. We get 8 ft SSW swell at 16 seconds, and the energy is pumping hard at 3352. That’s big, clean, and powerful – experts only. It’ll be a proper session for those who know the reef. Saturday the 29th backs off to a still very good 6 ft.
From Sunday the 30th into the first week of September, we see a slow fade: 3 ft to 6 ft, mostly cross-off winds, and the quality is a bit more marginal in the afternoons. The energy dips then climbs again, with the first day of September showing 6 ft and 17 seconds (1756) and a light breeze – promising but not as crisp as the first few days.
Into the second week, things settle. September 3rd has 5 ft with offshore wind – good, clean. September 4th afternoon bounces back to 4 ft with a 15-second period (1210) and very good conditions. September 5th and 6th hold at 5 ft-5 ft, clean with light winds. Then on Monday the 7th, we get a late boost: 5 ft SSW at 16 seconds, with a light breeze and very good surf – a nice way to finish the outlook.
All up, the best on offer is Friday the 28th – that 8 ft, 16-second groundswell with clean conditions is the big one. Tuesday the 24th morning and the following Monday the 7th morning are also top picks.
- Rusty
Short Range ForecastMostly dry. Warm (max 26°C on Sun morning, min 24°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Thu morning. Warm (max 26°C on Thu morning, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||
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 15 | SSW 15 | SSW 15 | SSW 18 | SSW 16 | SSW 16 | SSW 14 | SSW 15 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 22 | SSW 20 | SSW 18 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 1412 | 1258 | 1087 | 887 | 1379 | 1169 | 874 | 897 | 933 | 796 | 742 | 635 | 536 | 425 | 961 | 3452 | 3352 | 2615 | 2075 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:29AM1.52m | 7:26AM1.57m | 10:32PM1.25m | 8:30AM1.69m | 10:32PM1.36m | 9:14AM1.81m | 10:43PM1.48m | 9:51AM1.91m | 10:59PM1.61m | 10:24AM1.97m | 11:16PM1.73m | ||||||||
Low Tide | 2:59PM0.61m | 3:32PM0.48m | 2:25AM1.12m | 3:57PM0.36m | 3:15AM0.99m | 4:19PM0.28m | 3:52AM0.86m | 4:41PM0.22m | 4:25AM0.72m | 5:03PM0.20m | 4:58AM0.59m | ||||||||
 |  | | |  | |  | | | | | | |  | |  | | | | |
 | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 6:16 | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | — | — | — |
Temp °C | 24 | 26 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 26 | 25 |
Feels °C | 24 | 26 | 25 | 25 | 24 | 25 | 25 | 23 | 24 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 16 | SSW 16 | SSW 14 | SSW 15 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 16 | SSW 20 | SSW 18 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 1412 | 1258 | 1087 | 886 | 1379 | 1169 | 874 | 897 | 933 | 796 | 742 | 635 | 536 | 425 | 961 | 3452 | 3352 | 2615 | 2075 |
Swell 2 Height (m) Direction Period (s) | NE 7 | SSW 20 | SSW 19 | SSW 18 | — | SW 19 | SW 18 | SSW 7 | SSW 7 | — | NE 7 | SSW 7 | SSW 17 | SW 12 | S 12 | — | — | — | — |
| kJ | 8 | 395 | 708 | 887 | — | 96 | 80 | 15 | 15 | — | 7 | 18 | 119 | 212 | 353 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 24 | NE 7 | NE 8 | — | — | — | — | — | — | — | — | NE 7 | ENE 7 | SSW 22 | SSW 15 | — | — | — | — |
| kJ | 11 | 8 | 9 | — | — | — | — | — | — | — | — | 7 | 4 | 415 | 387 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 6 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 5 | SE 6 | SE 5 | SSE 5 | — | — | — | — | S 5 |
| kJ | 54 | 65 | 80 | 52 | 62 | 60 | 58 | 115 | 118 | 89 | 47 | 36 | 16 | 27 | — | — | — | — | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 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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