Surf Forecasts:
Ketewel surf forecast from 30 Aug 2026:
- Best quality surf: Sunday 30 Aug, 11PM (local time) - 4ft (1.2m), 13s period, SSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 1 Sep, 8AM (local time) - 6ft (1.8m), 18s period, SSW swell with 1,944 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 11PM (local time) - 4ft (1.2m), 13s period with SSW swell.
Best Forecast Surf Conditions for Ketewel this week:
The surf forecast for Ketewel over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 11PM. The primary swell is predicted to be 0.8m and 19s period with a secondary swell of 1.2m and 13s. Another secondary swell of 0.9m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Ketewel in the next 16 days are 1.8m 18s and forecast to arrive on Tuesday (Sep 01) at 8AM. 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 6s period and expected on Tuesday (Sep 01) at 11AM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 30th Aug) | 4ft (1.2m) 13s |
| Best Surf | 11PM (Sun 30th Aug) | 4ft (1.2m) 13s |
| Most Powerful | 8AM (Tue 1st Sep) | 6ft (1.8m) 18s |
Table - best surf conditions forecast for Ketewel over the next 16 days.
The Lowdown
Alright, let’s switch to feet and miles.
First up: Ketewel. A sheltered reef, it needs the right combo. The water’s about 81°, totally normal for the season.
We’ve got a bit of a wait. The first few days are a washout: cross-onshore winds, bumpy surface. The swell is there – on the 1st of September, we’re talking 6ft from the SSW, with an 18-second period, which is a proper groundswell. That long period means the waves will have real shape and power, and the gaps between sets will be longer, making paddling out a bit easier. But the wind is a mess.
The real standout starts on the 6th of September. Sunday morning brings a 5ft SSW swell, with an 18-second period, and the energy is strong. The wind is onshore, but the swell quality is there. Sunday afternoon, the swell jumps to 8ft, with the energy going through the roof. That’s expert territory, and the 16-second period is still a groundswell, so it’ll be heavy and powerful.
The best bet is Wednesday the 9th. Both sessions have a 8ft SSW swell, a 16-second period, and the wind is light and cross-onshore – that’s almost glassy. The surface will be smooth, and the waves will be long, powerful lines. This is the one to circle. The crowds are "sometimes" an issue, so expect a few others out there.
The second week stays solid, with the 12th, 13th, and 14th all showing 7ft to 8ft SSW swell and strong energy. It’s a bit less certain, but the potential is there.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Sun morning, min 23°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Wed morning, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||||
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 13 | SSW 13 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SSW 13 | SSW 14 | SSW 16 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 615 | 606 | 578 | 928 | 1231 | 1683 | 1944 | 1821 | 1910 | 1614 | 1575 | 1141 | 933 | 770 | 561 | 630 | 395 | 634 | 829 | 661 | 1517 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | on | on | cross-on |
High Tide | 11:18AM2.49m | 11:39PM2.55m | 11:48AM2.44m | 00:03AM2.62m | 12:18PM2.33m | 00:29AM2.64m | 12:50PM2.16m | 00:58AM2.61m | 1:23PM1.94m | 1:30AM2.51m | 2:00PM1.69m | 2:08AM2.35m | 2:52PM1.44m | 3:03AM2.15m | |||||||
Low Tide | 5:27PM0.21m | 5:45AM0.29m | 5:50PM0.25m | 6:17AM0.24m | 6:14PM0.32m | 6:51AM0.25m | 6:39PM0.43m | 7:28AM0.34m | 7:04PM0.58m | 8:12AM0.49m | 7:31PM0.75m | 9:11AM0.69m | 8:01PM0.95m | ||||||||
 | |  |  | |  | | | | | | | | | | | | | | | | |
 | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — |
 | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:15 | — | — | 6:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 24 | 27 | 27 | 24 | 27 | 27 | 24 | 27 | 27 | 25 | 27 | 27 | 24 | 27 | 27 | 24 | 27 | 27 | 24 |
Feels °C | 29 | 28 | 26 | 28 | 28 | 27 | 27 | 27 | 26 | 28 | 27 | 26 | 28 | 27 | 27 | 28 | 27 | 26 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 12 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SSW 13 | SSW 14 | SSW 13 | SSW 14 |
| kJ | 615 | 606 | 365 | 928 | 1231 | 1683 | 1944 | 1821 | 1910 | 1614 | 1575 | 1141 | 933 | 770 | 561 | 630 | 395 | 634 | 829 | 606 | 1517 |
Swell 2 Height (m) Direction Period (s) | SSW 21 | SSW 21 | SSW 19 | SSW 12 | SSW 11 | SSW 11 | NE 6 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | S 8 | NE 6 | S 18 | SSW 6 | SSW 14 | SSW 6 | SSW 6 | SSW 16 | SSW 18 |
| kJ | 180 | 253 | 578 | 274 | 204 | 138 | 7 | 8 | 8 | 7 | 7 | 5 | 1 | 2 | 6 | 4 | 258 | 11 | 11 | 661 | 123 |
Swell 3 Height (m) Direction Period (s) | SSW 21 | NE 7 | SE 6 | NE 7 | NE 7 | NE 7 | — | — | — | — | — | — | S 8 | — | — | NE 6 | SSW 6 | NE 6 | — | S 6 | — |
| kJ | 180 | 8 | 27 | 2 | 8 | 7 | — | — | — | — | — | — | 1 | — | — | 2 | 12 | 2 | — | 17 | — |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 5 | — | SE 5 | 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 | SE 5 | SE 5 |
| kJ | 36 | 69 | — | 35 | 43 | 75 | 56 | 96 | 120 | 62 | 62 | 84 | 45 | 49 | 49 | 43 | 40 | 32 | 20 | 15 | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 17 | 17 | 8 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 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.
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