Surf Forecasts:
Impossibles surf forecast from 26 Aug 2026:
- Best quality surf: Friday 28 Aug, 2AM (local time) - 8ft (2.5m), 18s period, SSW swell with offshore winds.
- Most powerful swell: Friday 28 Aug, 8AM (local time) - 8ft (2.5m), 17s period, SSW swell with 4,108 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 11PM (local time) - 4.5ft (1.4m), 13s period with SSW swell.
Best Forecast Surf Conditions for Impossibles this week:
The surf forecast for Impossibles over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 26) at 11PM. The primary swell is predicted to be 1.4m and 13s period with a secondary swell of 0.6m and 16s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Impossibles 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 Wednesday (Sep 02) at 8AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Wed 26th Aug) | 4.5ft (1.4m) 13s |
| Best Surf | 2AM (Fri 28th Aug) | 8ft (2.5m) 18s |
| Most Powerful | 8AM (Fri 28th Aug) | 8ft (2.5m) 17s |
Table - best surf conditions forecast for Impossibles over the next 16 days.
The Lowdown
Alright crew, Rusty here. Let’s break down what’s cooking at Impossibles. This is a reef break – advanced only, and it’s very consistent, so it’s a spot you can count on.
We’ll start Wednesday afternoon, August 26th. Water temp is about 79°F, right on average for the season. First session has a moderate offshore wind from the SE at 16 mph, with a clean 5 ft swell from the SSW, period 14 seconds. The combined energy is 845 (moderate). A solid warm-up.
Thursday 27th is where it gets real. Thursday morning has a gentle offshore, 4 ft from the SW with a long 16-second period, and energy hits 1330 (strong). But the afternoon – that’s the standout. Swell picks up to 5 ft from the SSW, period 15 seconds, and energy is 2872 (strong). The wind is a light cross-off from the SSE – that’s clean. Best session of the early run.
Friday 28th brings size up to 8 ft from the SSW, period 16 seconds, energy 3731 in the morning (strong) and 3043 in the afternoon (strong). That’s expert-only territory. Offshore winds keep it clean, but long period will make the sets a bit more drawn out. On a reef, that’s a proper session.
Saturday 29th still has good energy – 6 ft in the morning, dropping to 5 ft, with clean cross-off winds. Energy stays strong at 1534 and 1274. Good for the skilled crew.
Sunday 30th through Monday 31st keeps a steady supply of clean, offshore swell. Monday morning has 4 ft with a very long 18-second period, energy 1460 (strong). Monday afternoon has 5 ft with 18 seconds and 1728 energy – that’s long-period groundswell. The waves will be a bit more walled up, so know the reef.
Tuesday 1st of September and Wednesday 2nd hold size around 7 ft to 7 ft from the SW, with long periods of 17-18 seconds. Energy is strong (2664, 2187, 2023, 1771). Wind is fresh offshore, but crowds are possible – it’s a popular spot.
Thursday 3rd and Friday 4th see a drop – back to 5 ft down to 4 ft, energy dropping from 1074 to 595. Still clean, but the power fades.
Saturday 5th of September brings a spike – 6 ft from the SSW, period 16 seconds, energy 1866 (strong). Offshore wind in the morning, clean again. Nice surprise.
Sunday 6th through Monday 7th holds steady around 6 ft, with clean offshore winds in the mornings. Energy stays moderate-strong.
Tuesday 8th and Wednesday 9th keep things interesting – 4 ft to 7 ft, periods up to 17 seconds, energy strong (1388, 1731, 2241). Offshore or cross-off winds, clean, but spaced out sets.
Finally, Thursday 10th of September sees 7 ft from the SSW with 16 seconds, energy 1940 (strong) in the morning – cross-off winds, clean.
The real standout? Thursday 27th afternoon and Friday 28th morning. That’s the sweet spot – clean, powerful, and the biggest push of energy. For the second week, Monday 31st August and Tuesday 1st September are the best bets. All advanced territory.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 26°C on Thu afternoon, min 23°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Mon night. Warm (max 26°C on Sun afternoon, min 24°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Wed 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | ||||||||||||||
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 14 | SW 13 | SW 16 | SSW 15 | SSW 18 | SSW 16 | SSW 16 | SW 16 | SSW 15 | SW 15 | SSW 14 | SSW 13 | SSW 21 | SSW 19 | SSW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 |
Wave Graph  | ||||||||||||||||||||
 kJ | 845 | 632 | 558 | 1117 | 3705 | 3731 | 3024 | 2262 | 1529 | 773 | 791 | 796 | 447 | 766 | 1068 | 1501 | 1974 | 2660 | 2187 | 2267 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | off | cross-off | cross | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off |
High Tide | 10:10PM1.93m | 9:43AM2.31m | 10:29PM2.13m | 10:14AM2.44m | 10:50PM2.31m | 10:44AM2.52m | 11:12PM2.47m | 11:14AM2.53m | 11:35PM2.59m | 11:44AM2.48m | 11:59PM2.66m | 12:14PM2.38m | 00:25AM2.69m | |||||||
Low Tide | 3:51PM0.46m | 3:40AM0.89m | 4:15PM0.33m | 4:11AM0.70m | 4:38PM0.24m | 4:41AM0.52m | 5:00PM0.19m | 5:11AM0.38m | 5:23PM0.19m | 5:42AM0.27m | 5:47PM0.22m | 6:13AM0.22m | 6:11PM0.30m | |||||||
 |  |  | |  | | | | | | | | |  | | | | | | | |
 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — |
 | 6:17 | — | — | 6:17 | — | — | 6:17 | — | — | 6:17 | — | — | 6:17 | — | — | 6:16 | — | — | 6:16 | — |
mm | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 26 | 25 | 25 | 26 | 25 | 25 | 26 | 25 |
Feels °C | 24 | 25 | 25 | 26 | 27 | 25 | 26 | 28 | 27 | 26 | 27 | 26 | 27 | 26 | 26 | 27 | 26 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SW 13 | SSW 12 | SSW 15 | SSW 18 | SSW 16 | SSW 16 | SW 16 | SSW 15 | SW 15 | SSW 14 | SSW 13 | SSW 12 | SSW 12 | SSW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 |
| kJ | 845 | 632 | 467 | 1117 | 3705 | 3731 | 3024 | 2262 | 1529 | 773 | 791 | 796 | 447 | 397 | 1068 | 1501 | 1974 | 2660 | 2187 | 2267 |
Swell 2 Height (m) Direction Period (s) | — | SSW 17 | SW 16 | SSW 20 | SSW 13 | — | SSE 5 | SSE 5 | SE 6 | SSW 14 | SW 15 | SSW 21 | SW 13 | SSW 19 | SSW 12 | SSW 11 | SSW 11 | W 14 | — | — |
| kJ | — | 202 | 558 | 1024 | 418 | — | 19 | 17 | 5 | 501 | 76 | 180 | 173 | 766 | 299 | 190 | 88 | 4 | — | — |
Swell 3 Height (m) Direction Period (s) | — | SSW 7 | SSW 21 | SSW 20 | — | — | — | SSW 6 | — | ESE 6 | SSW 23 | — | SSW 21 | SE 6 | SW 12 | SW 12 | NE 7 | — | — | — |
| kJ | — | 17 | 305 | 731 | — | — | — | 12 | — | 3 | 54 | — | 393 | 20 | 93 | 37 | 8 | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 5 | SE 5 | SE 5 | SE 5 | — | SE 5 | — | — | — | — | SE 6 | SE 6 | SE 6 | ESE 6 | SE 5 | SE 5 | SE 6 | SE 6 | SE 5 | SE 6 |
| kJ | 37 | 13 | 13 | 18 | — | 21 | — | — | — | — | 18 | 19 | 30 | 40 | 17 | 25 | 32 | 49 | 77 | 69 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 38 | 38 | 0 |
Best forecast wave conditions in The Bukit - Bali | ||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||
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Information about the Impossibles Surf forecast
The above surf forecast table for Impossibles provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Impossibles can be found by selecting the local surf guide option on the grey menu. Our Impossibles 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 (Impossibles) 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 Impossibles 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.
Impossibles is 12 km (7 miles) from the city of Kuta. If you plan a holiday in The Bukit - Bali, look for hotels and other accommodation in Kuta. Kuta has rooms for a wide range of budgets as well as car hire and transport links.
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