Surf Forecasts:
Ketewel surf forecast from 31 Jul 2026:
- Most powerful swell: Friday 7 Aug, 8AM (local time) - 7.5ft (2.3m), 17s period, SSW swell with 3,179 kJ wave energy.
Best Forecast Surf Conditions for Ketewel this week:
The most powerful waves expected at Ketewel in the next 16 days are 2.3m 17s and forecast to arrive on Friday (Aug 07) 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 0.4m 7s period and expected on Sunday (Aug 02) at 2PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Fri 7th Aug) | 7.5ft (2.3m) 17s |
Table - best surf conditions forecast for Ketewel over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at the surf outlook for the next couple of weeks.
We're looking at a stretch that starts with a bit of a whimper. The first few days are pretty grim. Friday the 31st of July is a write-off with poor conditions and onshore breezes making a mess of things. Saturday and Sunday the 1st and 2nd of August are only marginally better, with cross-onshore winds and choppy, messy waves. You’d be fighting it out there.
The pattern is the same through the first week of August – a lot of cross-onshore wind and marginal surf. The swell is there, but the wind just won't play ball. It’s not until the end of the first week that we start to see a glimmer of hope. Friday the 7th of August sees the swell pushing up to 8 ft from the SSW with a period of 16 seconds, and the wind goes offshore. That's a big step up in quality, but it's still a big swell for an advanced reef break.
The real standout, if you can wait for it, is on the 11th of August. Tuesday morning, we get a solid 12 ft SSW groundswell, with a very long 19-second period. The combined energy is massive. That’s a lot of power in the water. The wind is a gentle cross-onshore, but it's light. This is a potent, expert-only swell. For a spot like Ketewel, a reef setup, that long period should line up nicely, but it will be a heavy, powerful wave. This is the one to circle on the calendar.
The following Saturday, the 15th of August, also looks promising. Another 10 ft SSW swell, with 18-second periods and an offshore wind on the afternoon session. The energy is strong. This is another day for the experienced crew, as the size is well over 8 ft.
Overall, the first week is a right-off for decent surf. The second week has two solid, heavy swells, but they are for experts only. The water temperature is sitting at a normal 81° for this time of year.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Fri afternoon, min 23°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Wed night. Warm (max 28°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | ||||||||||||||
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 17 | SSW 16 | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 15 | SSW 18 | SSW 17 | SSW 16 | SSW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 827 | 950 | 962 | 1567 | 1514 | 1945 | 1899 | 1762 | 1220 | 1220 | 1271 | 1187 | 1075 | 919 | 996 | 1067 | 2195 | 2465 | 2187 | 2282 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | cross-on | cross | cross-on | cross-on | cross | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:52PM2.19m | 11:36AM2.48m | 00:17AM2.30m | 12:07PM2.44m | 00:42AM2.37m | 12:38PM2.33m | 1:08AM2.41m | 1:10PM2.18m | 1:36AM2.42m | 1:45PM1.99m | 2:08AM2.39m | 2:26PM1.76m | 2:47AM2.32m | |||||||
Low Tide | 5:37PM0.18m | 5:33AM0.65m | 6:01PM0.18m | 6:06AM0.59m | 6:25PM0.23m | 6:40AM0.55m | 6:50PM0.31m | 7:15AM0.53m | 7:15PM0.42m | 7:54AM0.56m | 7:41PM0.55m | 8:40AM0.63m | 8:09PM0.71m | |||||||
 |  |  | | | | |  | | | | | | | | |  | | | | |
 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 27 | 24 | 26 | 26 | 25 | 27 | 27 | 25 | 27 | 28 | 24 | 26 | 26 | 24 | 26 | 27 | 25 | 26 | 26 | 24 |
Feels °C | 27 | 26 | 28 | 27 | 28 | 29 | 28 | 27 | 30 | 30 | 26 | 27 | 27 | 26 | 27 | 28 | 27 | 27 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 15 | SSW 18 | SSW 17 | SSW 16 | SSW 16 |
| kJ | 827 | 950 | 962 | 1567 | 1514 | 1945 | 1899 | 1762 | 1220 | 1220 | 1271 | 1187 | 1075 | 919 | 996 | 1067 | 2195 | 2465 | 2187 | 2282 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SE 6 | S 20 | SE 6 | SE 7 | SE 6 | NE 7 | SE 7 | SE 7 | S 18 | SE 7 | SE 7 | SW 16 | SE 6 | SSW 22 | SSW 20 | — | — | — | W 12 |
| kJ | 235 | 56 | 196 | 30 | 43 | 34 | 18 | 57 | 59 | 99 | 69 | 52 | 376 | 38 | 156 | 459 | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | SSW 22 | SSW 20 | SSW 20 | NE 7 | NE 7 | NE 7 | — | NE 7 | S 19 | NE 7 | NE 7 | SSW 14 | NE 8 | SSW 16 | ENE 7 | NE 7 | — | — | — | — |
| kJ | 46 | 152 | 218 | 13 | 8 | 12 | — | 19 | 66 | 19 | 13 | 215 | 9 | 177 | 4 | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 6 | SE 6 | SE 6 | — | ESE 7 | SE 4 | ESE 7 | — | SE 7 | — | — | SE 6 | — | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 |
| kJ | 84 | 91 | 46 | 54 | — | 68 | 36 | 99 | — | 96 | — | — | 58 | — | 32 | 51 | 54 | 62 | 60 | 50 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 17 | 15 | 17 | 15 | 15 | 17 | 15 | 15 | 15 | 17 | 15 | 17 | 15 | 15 | 17 | 17 | 17 | 15 | 17 | 17 |
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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