Ketewel Surf Break

Lat Long: 8.64° S 115.28° E

Ketewel Surf Forecast and Surf Report

Issued: 7 am 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ketewel sea temperature is
26.8°C
0.4° 

Ketewel surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Ketewel surf forecast from 6 Sep 2026:

  • Most powerful swell: Wednesday 9 Sep, 8AM (local time) - 8ft (2.5m), 16s period, SSW swell with 3,173 kJ wave energy.

Best Forecast Surf Conditions for Ketewel this week:

The most powerful waves expected at Ketewel in the next 16 days are 2.5m 16s and forecast to arrive on Wednesday (Sep 09) at 8AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8AM (Wed 9th Sep)8ft (2.5m) 16s

Table - best surf conditions forecast for Ketewel over the next 16 days.


The Lowdown

G’day, Rusty here. Let’s talk about what’s lining up at Ketewel.

Right off the bat, I’ve gotta be straight with you – the first week-and-a-bit is a real struggle. This is a sheltered reef setup, an advanced wave for sure, and it’s inconsistent by nature. The problem is the wind is blowing from the south and southeast, sitting directly onshore or cross-onshore the whole time. That’s the wrong wind for this spot (optimum is from the south). The swell is coming from the SSW with solid energy most days – wave energy is often in the four-digit range (1645 to 2962), so there’s plenty of grunt – but with the wind direction off, the quality is shot. Tides aren’t playing ball either according to the notes. For the first ten days or so, the scores are low and conditions are described as marginal or poor.

There’s a glimmer around Tuesday the 8th of September when the period jumps up to 19 seconds and the swell is 5 ft in the morning, then 6 ft in the afternoon. That long-period groundswell would have some shape and power (energy 2582 then 2962) and the wind is lighter – 6 mph – but it’s still onshore. It’s not clean, but it’s the closest you’ll get to a wave worth paddling out for early on.

Then from Wednesday the 9th, the swell sits around 7 ft to 8 ft with periods of 15 to 16 seconds. That’s strong energy (2368 to 2903) and the water temp is 80°, about average for this time of year. But the wind stays onshore or cross-onshore, so the surface stays bumpy. For a reef like Ketewel, you really want that offshore breeze.

The real standout comes late in the window. Look at the morning of Sunday the 20th of September and Monday the 21st of September. Swell is 8 ft to 8 ft from the SSW, period 15-16 seconds, and the wind is onshore at 9 mph on the Sunday morning, then a lighter 6 mph cross-onshore on Monday morning. The wave energy is pumping at 2834 and 2686 respectively. It’s not perfect, but this is the best stretch – solid groundswell, some size, and the wind is manageable. Monday morning on the 21st with a light breeze is probably your pick. This break gets hit by crowds sometimes, and with a good swell running, expect company.

But overall, the first week is mostly a write-off with onshore winds killing the quality. After the 17th, things edge toward marginal rather than poor, but it’s still a battle. The long-period swell here is great for reefs like Ketewel, but it needs that offshore wind to link up.

Rusty.

Short Range Forecast

Light rain (total 4mm), mostly falling on Sun morning. Warm (max 26°C on Sun afternoon, min 23°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 6mm), mostly falling on Thu night. Warm (max 27°C on Thu afternoon, min 23°C on Wed night). Wind will be generally light.

Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
3
1
1
1
2
2
3
2
3
3
1
2
2
1
0
1
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SSW
14
1.5
SSW
16
2.2
SSW
15
2
SSW
14
1.9
SSW
14
1.8
SSW
13
1.4
SSW
19
1.7
SSW
18
2.1
SSW
16
2.4
SSW
16
2.2
SSW
16
2
SSW
15
1.9
SSW
15
2
SSW
16
2
SSW
16
1.9
SSW
16
1.8
SSW
16
1.5
SSW
15
1.5
SSW
14
1.3
SSW
14
1.3
SSW
19
Wave Graph
Metric surfscale
Energy kJ
1403
1123
2049
1614
1423
1127
1323
1726
2339
2903
2368
1809
1588
2021
1972
1663
1507
924
899
732
1242
Wind (km/h)
15
SE
15
SSE
10
SSE
15
SSE
15
SSE
10
SSE
15
SSE
10
SSE
10
SSE
10
SSE
10
SSE
10
SSE
15
SSE
15
SSE
10
ESE
15
SE
15
SE
15
ESE
15
SE
15
SE
20
ESE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:18PM1.25m
4:52AM1.98m
8:31PM1.45m
7:15AM2.03m
9:07PM1.73m
8:33AM2.21m
9:37PM2.00m
9:24AM2.39m
10:05PM2.26m
10:06AM2.50m
10:33PM2.47m
10:42AM2.53m
11:00PM2.63m
Low Tide
10:54AM0.85m
8:46PM1.19m
1:24PM0.78m
00:28AM1.30m
2:35PM0.59m
2:19AM1.06m
3:17PM0.42m
3:15AM0.78m
3:50PM0.29m
3:58AM0.51m
4:20PM0.22m
4:35AM0.31m
4:48PM0.20m
rain showers
part cloud
part cloud
part cloud
clear
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
clear
part cloud
thunderstorm
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:16
6:16
6:16
6:16
6:15
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:15
6:15
6:15
6:15
6:15
 mm
1
2
1
2
4
3
Temp °C
25
26
24
25
25
24
25
25
24
25
25
24
26
27
25
27
27
25
27
28
25
Feels °C
26
27
26
26
26
26
26
26
26
27
26
27
27
28
28
29
28
28
29
29
27
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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