Surf Forecasts:
Shipwrecks (Nusa Lembongan) surf forecast from 31 Aug 2026:
- Best quality surf: Monday 31 Aug, 5PM (local time) - 4.5ft (1.4m), 18s period, SSW swell with offshore winds.
- Most powerful swell: Sunday 6 Sep, 11PM (local time) - 7ft (2.1m), 16s period, SSW swell with 2,226 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 11AM (local time) - 3.5ft (1.1m), 18s period with SW 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 Monday (Aug 31) at 11AM. The primary swell is predicted to be 1.1m and 18s 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 2.1m 16s and forecast to arrive on Sunday (Sep 06) at 11PM. 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 Thursday (Sep 03) at 8PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Mon 31st Aug) | 3.5ft (1.1m) 18s |
| Best Surf | 5PM (Mon 31st Aug) | 4.5ft (1.4m) 18s |
| Most Powerful | 11PM (Sun 6th Sep) | 7ft (2.1m) 16s |
Table - best surf conditions forecast for Shipwrecks (Nusa Lembongan) over the next 16 days.
The Lowdown
Alright, Rusty here. Let's get into it.
We've got a solid run of surf coming up at Shipwrecks (Nusa Lembongan), a sheltered reef that loves a good SW groundswell. The water temp is about average for this time of year, so just your usual boardshorts or a thin spring suit.
The action kicks off Monday morning, August 31st, with a clean 3.6 ft SW swell rolling in. The wind is offshore, keeping things glassy. The wave energy is moderate (974). This is a nice, manageable start.
The real standout window begins Tuesday, September 1st. The swell pushes up to 5.6 ft from the SSW with offshore winds, and the energy jumps to strong (1682). This is where it gets good. Wednesday the 2nd holds similar quality in the morning, though the afternoon gets a bit cross-off.
We then have a slight dip on Thursday and Friday, with the swell dropping back to 3.6 ft and the energy fading to moderate (463). The wind remains cross-off, so it's still surfable, but not the pick of the week.
The second half of the forecast cranks back up. Saturday the 5th is promising, with a clean 5.6 ft SSW swell in the afternoon and energy surging back to strong (1274). But the true standouts are Monday the 7th through Wednesday the 9th of September. Monday morning brings 5.9 ft SSW swell with offshore winds and strong energy (1396). Tuesday the 8th has a morning of 6.2 ft SSW swell, offshore winds, and very strong energy (2133). But Wednesday the 9th is the absolute peak: a 5.9 ft SSW swell with a very long 21-second period, light cross-off winds, and extreme energy (5248). This will be a proper groundswell – perfect for the reef, with long, clean lines. Expect it to be a bit more powerful and with longer gaps between sets.
The surf stays excellent through the second week, with an 8.2 ft SSW swell on the 10th for experienced surfers only, and plenty of 6.6 ft+ days with clean conditions right through to the 15th. Just a heads-up, the 10th afternoon has a bit of cross-shore wind, making it choppier, but the mornings are all clean.
This is a fantastic run. If you're an advanced surfer, the 9th of September is the one to circle. Get out there.
Short Range ForecastMostly dry. Warm (max 26°C on Mon morning, min 25°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Sat night. Warm (max 26°C on Thu morning, min 25°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||||
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) | SW 18 | SSW 18 | SSW 18 | SSW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 14 | SSW 17 | SSW 16 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 752 | 1159 | 1431 | 1682 | 1599 | 1524 | 1436 | 1256 | 989 | 793 | 605 | 536 | 469 | 538 | 569 | 1261 | 1358 | 1319 | 808 | 1308 | 1758 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | cross-off | off | off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 12:01PM1.86m | 00:19AM2.02m | 12:34PM1.72m | 00:45AM2.06m | 1:09PM1.55m | 1:13AM2.05m | 1:47PM1.34m | 1:47AM2.00m | 2:34PM1.13m | 2:30AM1.90m | 4:18PM0.94m | 3:36AM1.77m | |||||||||
Low Tide | 6:08PM0.34m | 6:41AM0.35m | 6:29PM0.43m | 7:19AM0.35m | 6:50PM0.54m | 8:04AM0.40m | 7:10PM0.65m | 8:59AM0.50m | 7:25PM0.77m | 10:24AM0.60m | 7:17PM0.90m | 12:48PM0.59m | |||||||||
 | |  | | | | | | | | |  |  | | | | |  |  | | | |
 | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — |
 | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | — | 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 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 27 | 27 | 26 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SSW 18 | SSW 18 | SSW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 14 | SSW 13 | SSW 16 | SSW 15 |
| kJ | 752 | 1159 | 1431 | 1682 | 1599 | 1524 | 1436 | 1256 | 989 | 793 | 605 | 536 | 469 | 538 | 569 | 1261 | 1358 | 1319 | 722 | 1308 | 1758 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 11 | SSW 11 | NE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 7 | NE 6 | ENE 6 | NE 6 | NE 7 | NE 6 | NE 6 | SSW 6 | — | SSW 18 | SSW 17 | SSW 13 | — |
| kJ | 222 | 166 | 107 | 7 | 7 | 8 | 7 | 7 | 7 | 6 | 4 | 2 | 2 | 2 | 2 | 11 | — | 123 | 808 | 669 | — |
Swell 3 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | — | — | — | — | — | — | S 8 | — | — | — | SSW 6 | NE 6 | — | — | SSW 21 | — | — | — |
| kJ | 12 | 8 | 7 | — | — | — | — | — | — | 1 | — | — | — | 4 | 2 | — | — | 90 | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 |
| kJ | 30 | 52 | 102 | 77 | 122 | 106 | 52 | 67 | 99 | 69 | 99 | 82 | 69 | 69 | 65 | 20 | 36 | 29 | 32 | 23 | 15 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 2 | 40 | 2 | 2 | 2 | 2 |
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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