Surf Forecasts:
Impossibles surf forecast from 31 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 8AM (local time) - 6.5ft (2.0m), 18s period, SSW swell with offshore winds.
- Most powerful swell: Sunday 6 Sep, 8PM (local time) - 8ft (2.4m), 16s period, SSW swell with 2,836 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 8AM (local time) - 6.5ft (2.0m), 18s 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 Tuesday (Sep 01) at 8AM. The primary swell is predicted to be 2.0m and 18s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Impossibles in the next 16 days are 2.4m 16s and forecast to arrive on Sunday (Sep 06) at 8PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Thursday (Sep 03) at 8PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 1st Sep) | 6.5ft (2.0m) 18s |
| Best Surf | 8AM (Tue 1st Sep) | 6.5ft (2.0m) 18s |
| Most Powerful | 8PM (Sun 6th Sep) | 8ft (2.4m) 16s |
Table - best surf conditions forecast for Impossibles over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about what’s happening around Impossibles. This is a reef break, very consistent, and it handles a good SW groundswell best. The offshore is ESE, so when that lines up, the waves are clean and well-shaped. This setup is for advanced surfers only. The water temp is about average for the time of year, nothing freaky.
There’s no surf to speak of right now at the very start, but by Tuesday morning, September 1st, a serious SSW groundswell rolls in at 6.6ft with a very long period of 18 seconds. The combined energy is massive at 2523, that’s very strong energy. The wind is offshore, ESE at 19 mph, so it’s clean but a bit fresh. The period is so long that this spot, being a reef, will love it, but those sets will be spaced out. It’s a heavy wave, no place for beginners.
Tuesday afternoon holds, 6.6ft, 17 seconds, still clean. Into Wednesday morning September 2nd, the swell eases slightly to 6.2ft, period 16 seconds, and the wind is still offshore and moderate. This is excellent, powerful surf for those who know what they’re doing.
The best on offer has to be Wednesday, September 9th. That morning you’ve got a solid 7.9ft SSW swell at 16 seconds, the wind is a light cross-offshore at 6 mph, glassy, clean. The energy reading is 3387 – very strong. That’s a standout. The afternoon cleans up even more with a gentle offshore at 9 mph, 7.5ft, same long period, energy at 3917. Unreal conditions if it holds.
Another true standout is Tuesday, September 8th afternoon. Swell jumps to 8.2ft from the SSW, period 18 seconds, cross-off wind at only 9 mph, and the combined energy is a massive 5515. That is very strong energy. This is expert territory, no doubt.
There’s a bit of a drop-off after the 10th, but there are still fun, clean waves through the second week, with morning offshores keeping things tidy. The second week is less certain, but the pattern is there. Crowds can be a thing here sometimes, so get out early.
This is a solid run for Impossibles. Don’t sleep on it, but respect the power.
Short Range ForecastMostly dry. Warm (max 26°C on Tue afternoon, min 25°C on Tue morning). Mainly fresh winds. | Days 4-6 Weather SummarySome drizzle, heaviest during Sun night. Warm (max 26°C on Fri night, min 25°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 14 | SSW 17 | SSW 17 | SSW 16 | SSW 14 | SSW 14 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2519 | 2187 | 2267 | 1970 | 1750 | 1420 | 1068 | 903 | 676 | 658 | 822 | 682 | 1547 | 1956 | 1014 | 2349 | 1729 | 2662 | 1887 | 1680 | 1110 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off |
High Tide | 12:14PM2.38m | 00:25AM2.69m | 12:45PM2.21m | 00:54AM2.65m | 1:18PM2.00m | 1:26AM2.54m | 1:55PM1.75m | 2:05AM2.38m | 2:45PM1.48m | 2:59AM2.17m | 4:52PM1.28m | 4:46AM1.99m | 8:19PM1.46m | ||||||||
Low Tide | 6:11PM0.30m | 6:47AM0.23m | 6:36PM0.41m | 7:23AM0.32m | 7:02PM0.55m | 8:06AM0.48m | 7:29PM0.73m | 9:04AM0.69m | 7:59PM0.94m | 10:43AM0.86m | 8:48PM1.18m | 1:15PM0.81m | 00:24AM1.29m | ||||||||
 | |  | | | | | |  | | | |  | | | | |  |  | | | |
 | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — |
 | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — |
Temp °C | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 25 | 25 |
Feels °C | 25 | 26 | 24 | 26 | 24 | 25 | 24 | 24 | 26 | 25 | 24 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 14 | SSW 17 | SSW 17 | SSW 16 | SSW 14 | SSW 14 | SSW 13 |
| kJ | 2519 | 2187 | 2267 | 1970 | 1750 | 1420 | 1068 | 903 | 676 | 658 | 822 | 682 | 1547 | 1956 | 1014 | 2349 | 1729 | 2662 | 1887 | 1680 | 1110 |
Swell 2 Height (m) Direction Period (s) | W 14 | — | SE 7 | — | — | SSW 6 | SSW 6 | — | SSW 18 | — | SSW 15 | SSW 18 | S 6 | — | SSW 17 | SSW 18 | SSW 13 | — | S 22 | SSW 22 | SSW 20 |
| kJ | 4 | — | 140 | — | — | 4 | 7 | — | 30 | — | 288 | 348 | 17 | — | 734 | 540 | 841 | — | 10 | 45 | 346 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 17 | — | — | — | SSW 6 | SSW 6 | — | — | SSW 21 | — | — | — | — | — | SSW 16 |
| kJ | — | — | — | — | — | — | 6 | — | — | — | 8 | 11 | — | — | 90 | — | — | — | — | — | 50 |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | — | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SE 6 | SE 5 | SE 5 | SSE 8 | S 8 | SE 5 | — | ESE 5 | S 8 | SE 5 |
| kJ | 54 | 85 | — | 47 | 69 | 62 | 58 | 68 | 65 | 52 | 59 | 46 | 23 | 22 | 107 | 130 | 27 | — | 15 | 153 | 23 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 38 | 7 | 13 | 0 | 0 | 13 | 38 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 37 | 0 | 1 | 1 | 0 | 1 |
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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