
Surf Forecasts:
Ketewel surf forecast from 14 Sep 2026:
- Most powerful swell: Sunday 20 Sep, 8PM (local time) - 6.5ft (2.0m), 16s period, SSW swell with 1,880 kJ wave energy.
Best Forecast Surf Conditions for Ketewel this week:
The most powerful waves expected at Ketewel in the next 16 days are 2.0m 16s and forecast to arrive on Sunday (Sep 20) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 8s period and expected on Monday (Sep 14) at 2PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Sun 20th Sep) | 6.5ft (2.0m) 16s |
Table - best surf conditions forecast for Ketewel over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s take a good, hard look at what we’ve got coming down the pike for Ketewel (Bali) over the next couple of weeks. It’s not going to be easy – this is a sheltered reef that really needs the wind to play nice, and for the most part, it’s just not cooperating. The water temp is sitting around 80°F, which is bang on average for this time of year – nothing weird there.
Honestly, the outlook for the next 16 days is a tough one. For the first week and a half, the conditions are just holding this spot back. From Monday the 14th right through to about Friday the 25th of September, it’s a long stretch of onshore and cross-onshore winds. The swell is there – a solid, long-period groundswell coming out of the SSW, often pushing 5 ft to 6 ft with periods of 14 to 16 seconds. The wave energy is strong, meaning there is real power in the water. But with those moderate breezes, it’s choppy and messy. The forecast is calling it "poor" or "marginal" at best most days. There is no standout window here until the very end.
However, things get *very* interesting towards the last weekend of the month. The best bet, and the only real standout in this whole 16-day run, is Sunday the 27th of September. We’ve got a significant bump in size. The morning sees an 8 ft SSW swell at a very long 20 seconds. That is a heap of water moving. The afternoon pushes even bigger, with a 10 ft swell from the same direction. Now, because the period is so long (19-20 seconds), this is a true groundswell. At a beach break, that long period can make things close out, but Ketewel is a reef. It should handle it, holding the shape. The wind is still cross-on from the SE at 9 mph, which is a shame – it won’t be glassy. But the size and power are undeniable. This is for experienced surfers only. Anything over 8 ft is expert territory, and 10 ft at a reef with a bit of cross-breeze is not a place for the faint of heart. The Monday the 28th holds at 8 ft with a 17-second period, but again, that onshore flow keeps it from being pristine.
So, here’s the deal: the first 12 days are a write-off for good waves at Ketewel. The gap between quality surf is massive. You wait all the way until that Sunday the 27th. That is your one shot. It’s a big, powerful, long-period SSW groundswell. It’s not going to be perfect, but it’s going to be big and it will have push. That’s your only real look.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 27°C on Mon morning, min 24°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
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 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 16 | SSW 16 | SSW 15 |
Wave Graph | |||||||||||||||||||||
1322 | 1112 | 1178 | 1147 | 1178 | 1125 | 1024 | 1130 | 1275 | 1374 | 1099 | 1023 | 854 | 733 | 630 | 585 | 577 | 807 | 1713 | 1650 | 1721 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | on | cross-on | cross | on | on | cross-on |
High Tide | 11:47AM2.39m | 11:53PM2.71m | 12:17PM2.25m | 00:19AM2.64m | 12:44PM2.07m | 00:44AM2.51m | 1:10PM1.87m | 1:09AM2.34m | 1:37PM1.66m | 1:36AM2.15m | 2:05PM1.45m | 2:06AM1.95m | 3:01PM1.25m | 2:58AM1.74m | |||||||
Low Tide | 5:41PM0.30m | 6:15AM0.15m | 6:05PM0.40m | 6:45AM0.25m | 6:28PM0.53m | 7:16AM0.40m | 6:48PM0.68m | 7:49AM0.59m | 7:06PM0.84m | 8:28AM0.80m | 7:16PM1.01m | 9:36AM1.00m | 6:49PM1.18m | ||||||||
6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | |
— | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | |
mm | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 24 | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 28 | 25 | 28 | 28 | 24 | 28 | 27 | 25 | 27 | 27 | 24 |
Feels °C | 27 | 27 | 25 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 29 | 28 | 30 | 30 | 27 | 30 | 29 | 28 | 29 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 16 | SSW 16 | SSW 15 |
1322 | 1112 | 1178 | 1147 | 1178 | 1125 | 1024 | 1130 | 1275 | 1374 | 1099 | 1023 | 854 | 733 | 630 | 585 | 577 | 807 | 1713 | 1650 | 1721 | |
Swell 2 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | SW 21 | NE 7 | NE 7 | SSW 18 | S 7 | NE 7 | SW 22 | ESE 6 | SE 6 | SW 18 | SSW 19 | SSW 13 | NE 6 | ESE 6 | SE 6 |
8 | 9 | 8 | 7 | 8 | 8 | 18 | 8 | 8 | 127 | 26 | 2 | 18 | 23 | 17 | 168 | 233 | 362 | 6 | 27 | 19 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | NE 7 | — | — | — | — | — | NE 6 | SSW 21 | SSW 20 | SE 5 | SE 5 | SE 6 | — | — | SW 8 |
— | — | — | — | — | — | 7 | — | — | — | — | — | 2 | 44 | 38 | 7 | 7 | 17 | — | — | 16 | |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 5 | SE 6 | SE 5 | SE 5 | SE 6 | SE 6 | SE 6 | — | — | — | — | ESE 6 | SE 6 | SE 6 | SE 6 |
90 | 124 | 65 | 58 | 60 | 50 | 45 | 46 | 49 | 34 | 39 | 24 | 24 | — | — | — | — | 31 | 19 | 25 | 40 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 17 | 17 | 15 | 17 | 17 | 17 | 17 | 17 | 15 | 17 | 15 | 15 | 15 | 17 | 15 | 15 | 17 | 15 | 15 | 15 | 15 |
Best forecast wave conditions in Sanur - Bali | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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Information about the Ketewel Surf forecast
The above surf forecast table for Ketewel provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ketewel can be found by selecting the local surf guide option on the grey menu. Our Ketewel 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 (Ketewel) 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 Ketewel 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.
Ketewel is 7 km (4 miles) from Denpasar. If you plan a holiday in Sanur - Bali, look for hotels and other accommodation in Denpasar. Denpasar has rooms for a wide range of budgets as well as car hire and transport links.










