Surf Forecasts:
Shipwrecks (Nusa Lembongan) surf forecast from 9 Aug 2026:
- Best quality surf: Monday 10 Aug, 8AM (local time) - 4.5ft (1.4m), 19s period, SSW swell with offshore winds.
- Most powerful swell: Tuesday 11 Aug, 2AM (local time) - 10ft (3.0m), 17s period, SSW swell with 5,522 kJ wave energy.
- Next surfable swell (1★+): Sunday 9 Aug, 8PM (local time) - 6ft (1.9m), 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 09) at 8PM. The primary swell is predicted to be 1.9m and 15s period. 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 3.0m 17s and forecast to arrive on Tuesday (Aug 11) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Monday (Aug 10) at 5AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sun 9th Aug) | 6ft (1.9m) 15s |
| Best Surf | 8AM (Mon 10th Aug) | 4.5ft (1.4m) 19s |
| Most Powerful | 2AM (Tue 11th Aug) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Shipwrecks (Nusa Lembongan) over the next 16 days.
The Lowdown
Hey, it’s Rusty. Let’s talk about Shipwrecks (Nusa Lembongan) – a heavy reef break that’s for advanced surfers only. The water’s about 81°, right where it should be for this time of year. Over the next two and a half weeks, we’ve got a solid run of SSW groundswell rolling in, and with offshore to cross-off winds most days, the quality is gonna be high.
Sunday, August 9 starts with a clean 6ft swell from the SSW, 16-second period, moderate energy (1788). Morning has a moderate offshore breeze from the SE – smooth and groomed. Afternoon goes cross-off, still rideable.
Monday, August 10 is where it gets real. Morning offers 6ft of SSW swell with a stunning 19-second period and energy at 2999. Offshore SE wind again. This is the best early call. Afternoon jumps to 8ft, 18 seconds, energy 4597 – big and powerful with light cross-off wind.
Tuesday, August 11 hits the peak: 10ft SSW swell, 17-second period, energy 4140 in the morning, and even more energy (5697) in the afternoon. This is the absolute standout if you’re an expert. Winds are light cross-off from the SSE.
Wednesday, August 12 drops slightly to 7ft in the morning with offshore wind (energy 2666). Afternoon 6ft, 15 seconds, cross-off.
Thursday, August 13 holds 8ft in the morning, 17 seconds, energy 3090. Afternoon 8ft, same period, energy 3377.
Friday, August 14 brings 8ft in the morning, 16 seconds, energy 2677. Afternoon 7ft.
Saturday, August 15 stays around 7ft, 17 seconds, energy around 2400, cross-off all day.
Sunday, August 16 drops to 6ft in the morning with offshore breeze, easing to 6ft in the afternoon.
Monday, August 17 is the smallest: 5ft, 14 seconds, energy 841, but with good offshore wind.
Tuesday, August 18 picks back up: 5ft in the morning, 16 seconds, energy 1947, offshore wind. Afternoon drops to 4ft but the period jumps to 20 seconds (energy 2374) – long, fat lines.
Wednesday, August 19 is the second big standout. Morning: 8ft, 18 seconds, energy 3553, with offshore SE wind. Afternoon: 8ft, 17 seconds, energy 3744. Nearly as big as the 11th, with better wind.
Thursday, August 20 holds 7ft in the morning, 16 seconds, energy 2262, offshore wind. Afternoon 7ft.
Friday, August 21 offers 7ft and 8ft, 16 seconds, light cross-off.
Saturday, August 22 eases to 7ft then 6ft.
Sunday, August 23 is smaller: 6ft and 6ft, 15 seconds, clean.
Monday, August 24 closes nicely: 5ft in the morning with 18-second period and energy 2302, then 7ft, 17 seconds, energy 2568 in the afternoon – both with gentle offshore breeze.
Crowds: This wave gets crowded sometimes, but at this size and difficulty, expect a select crew.
Best bets: Monday, August 10 morning for that first taste of perfect swell, and Wednesday, August 19 for the biggest combination of size and wind quality. Tuesday, August 11 is the biggest of all.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Sun morning. Warm (max 25°C on Sun morning, min 24°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Thu afternoon, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||
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 16 | SSW 15 | SSW 19 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 17 | SSW 15 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 17 | SSW 17 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1788 | 1766 | 1337 | 1989 | 4597 | 5522 | 4140 | 3800 | 2491 | 2544 | 1652 | 1358 | 3090 | 3377 | 3098 | 2481 | 1737 | 1413 | 2406 | 2323 | 1849 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:05PM1.11m | 7:24AM1.89m | 10:13PM1.25m | 8:37AM2.01m | 10:37PM1.40m | 9:34AM2.12m | 11:03PM1.55m | 10:23AM2.17m | 11:30PM1.70m | 11:06AM2.14m | 11:58PM1.83m | 11:46AM2.05m | 00:26AM1.92m | ||||||||
Low Tide | 2:27PM0.41m | 11:38PM1.10m | 3:24PM0.24m | 2:08AM1.05m | 4:07PM0.12m | 3:21AM0.90m | 4:43PM0.05m | 4:15AM0.73m | 5:16PM0.04m | 5:02AM0.59m | 5:46PM0.08m | 5:46AM0.49m | 6:13PM0.17m | ||||||||
 |  |  | |  |  | | |  | | | | | | | | | | | | | |
 | 6:30 | — | — | 6:30 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — |
 | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — |
mm | 1 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 26 | 24 | 24 | 25 | 24 | 25 | 25 | 24 |
Feels °C | 26 | 24 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 19 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 17 | SSW 15 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 1788 | 1766 | 1337 | 1989 | 4597 | 5522 | 4140 | 3800 | 2491 | 2544 | 1652 | 1358 | 3090 | 3377 | 3098 | 2481 | 1737 | 1413 | 2406 | 2323 | 1849 |
Swell 2 Height (m) Direction Period (s) | — | — | S 20 | SSW 14 | — | — | — | SSW 19 | — | S 21 | SSW 19 | S 13 | — | — | SSW 23 | SSW 21 | SSW 21 | SSW 19 | SSE 6 | — | SE 6 |
| kJ | — | — | 204 | 1010 | — | — | — | 1860 | — | 36 | 286 | 663 | — | — | 54 | 153 | 251 | 657 | 7 | — | 24 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SSW 21 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 86 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 5 | SE 5 | SE 5 | SE 5 | — | — | — | SSE 7 | SE 4 | SE 5 | — | SE 5 | — | — | — | SE 8 | SE 8 | SE 7 | SE 4 | SE 4 | — |
| kJ | 43 | 37 | 35 | 28 | — | — | — | 37 | 20 | 22 | — | 7 | — | — | — | 43 | 46 | 36 | 15 | 21 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 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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