Surf Forecasts:
Shipwrecks (Nusa Lembongan) surf forecast from 9 Sep 2026:
- Best quality surf: Thursday 10 Sep, 5AM (local time) - 5ft (1.6m), 14s period, SSW swell with offshore winds.
- Most powerful swell: Thursday 10 Sep, 2PM (local time) - 6ft (1.9m), 17s period, SSW swell with 2,072 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 5AM (local time) - 5ft (1.6m), 14s 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 (Sep 10) at 5AM. The primary swell is predicted to be 1.6m and 14s period with a secondary swell of 1.1m and 18s. 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 1.9m 17s and forecast to arrive on Thursday (Sep 10) at 2PM. Winds are predicted to be cross-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 Sunday (Sep 13) at 11PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 10th Sep) | 5ft (1.6m) 14s |
| Best Surf | 5AM (Thu 10th Sep) | 5ft (1.6m) 14s |
| Most Powerful | 2PM (Thu 10th Sep) | 6ft (1.9m) 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 shaping up at Shipwrecks (Nusa Lembongan) over the next two and a half weeks. The window kicks off on Thursday, 10 September, with a strong, long-period SW groundswell rolling in—periods hitting 15 to 16 seconds, which is proper groundswell energy. At 6 ft to 6 ft, it’s pushing into the size that’s better for experienced surfers, and the combined energy is sitting at around 1660–1799 (moderate to strong). Water temp is about average for this time of year, no major anomaly. The offshore wind is cross-off from the SE, keeping things clean. This is a reef break, and it’s consistent, so expect a crowd sometimes.
The best of the first week comes on Thursday afternoon and again on Sunday afternoon, 13 September, when the wind shifts to pure offshore from the SE, with the swell at 6 ft, 17-second period, and combined energy at 1882 (strong). That’s the standout window—clean, powerful, and lined up. Thursday morning, 10 September, is also a treat, just a little more lumpy from the cross-off.
The swell settles a bit through the following week, but it stays rideable. Monday, 14 September morning offers offshore wind and 5 ft, 16-second groundswell, with energy at 1087 (moderate). Wednesday, 16 September morning is a glassy gem with light offshore breeze and 5 ft, 15-second swell. The consistent SW groundswell keeps the reef working, but the period drops slightly to 14 seconds mid-week, still good shape.
The second week looks promising too. Sunday, 20 September morning has gentle offshore wind and 5 ft, 16-second swell, energy at 1243 (moderate). The real standout of the whole outlook is Wednesday, 23 September morning—the combined energy jumps to 2371 (strong to very strong), with 6 ft, 17-second groundswell, light wind, and cross-off conditions. That’s expert-level stuff, clean and powerful. Thursday, 24 September morning is also excellent with glassy conditions and 6 ft, 15-second swell. This is a reef break, so the long period will wrap in nicely, though it may be a bit much for anyone not comfortable on bigger, powerful waves.
Overall, a solid run of clean, moderate to strong groundswell with consistent offshore or cross-off winds. The crowd factor is a thing to keep in mind, but the quality is there.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Thu morning. Warm (max 26°C on Thu morning, min 24°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Sun night. Warm (max 26°C on Sun morning, min 25°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 15 | SSW 14 | SW 14 | SW 19 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1275 | 1799 | 1734 | 1322 | 1305 | 795 | 701 | 606 | 1351 | 1019 | 1818 | 1367 | 976 | 976 | 927 | 1006 | 1006 | 980 | 869 | 974 | 1241 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | off | off | off | off |
High Tide | 9:35AM1.97m | 10:30PM1.75m | 10:18AM2.01m | 10:54PM1.90m | 10:57AM1.98m | 11:18PM2.02m | 11:32AM1.89m | 11:43PM2.09m | 12:06PM1.77m | 00:08AM2.10m | 12:37PM1.62m | 00:32AM2.05m | 1:07PM1.45m | 00:57AM1.97m | |||||||
Low Tide | 4:16PM0.21m | 4:17AM0.55m | 4:44PM0.22m | 4:56AM0.39m | 5:10PM0.27m | 5:32AM0.29m | 5:34PM0.34m | 6:07AM0.24m | 5:56PM0.43m | 6:40AM0.26m | 6:16PM0.53m | 7:14AM0.32m | 6:35PM0.62m | ||||||||
 |  |  | | | | | |  | | | | | |  | | | | | | | |
 | 6:15 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — |
 | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:14 | — |
mm | 2 | — | 1 | — | — | 1 | — | — | — | — | — | 1 | — | — | 1 | — | — | 2 | — | — | 1 |
Temp °C | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 |
Feels °C | 28 | 27 | 27 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 26 | 26 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 15 | SSW 14 | SW 14 | SW 19 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SW 15 | SSW 15 | SSW 15 |
| kJ | 1275 | 1799 | 1734 | 1322 | 1305 | 795 | 701 | 606 | 1351 | 1019 | 1818 | 1367 | 976 | 976 | 927 | 1006 | 1006 | 980 | 869 | 974 | 1241 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | — | SW 26 | SW 26 | SW 24 | SSW 10 | SSW 21 | SW 21 | SW 14 | SW 15 | NE 8 | NE 7 | NE 6 | NE 7 | NE 7 | SE 5 | ENE 6 | NE 7 | SSE 6 | SE 6 | NE 7 |
| kJ | 385 | — | 27 | 26 | 142 | 54 | 584 | 358 | 407 | 485 | 16 | 8 | 6 | 9 | 2 | 42 | 4 | 8 | 55 | 49 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 24 | SE 5 | NE 7 | NE 7 | SE 6 | — | — | — | — | — | — | — | — | NE 6 | NE 6 | — |
| kJ | — | — | — | — | — | 141 | 34 | 19 | 19 | 42 | — | — | — | — | — | — | — | — | 2 | 7 | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | SE 5 | SE 5 | SE 5 | SE 5 | ESE 6 | SE 6 | SE 6 | — | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | — | SE 6 | SSE 5 | — | SE 6 | SE 5 |
| kJ | 11 | 15 | 37 | 22 | 24 | 57 | 53 | 42 | 54 | — | 66 | 132 | 77 | 75 | 79 | — | 44 | 36 | — | 75 | 49 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 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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