Ketewel Surf Break

Lat Long: 8.64° S 115.28° E

Ketewel Surf Forecast and Surf Report

Issued: 1 am 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ketewel sea temperature is
26.9°C
0.5° 

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 look at what’s on offer at Ketewel.

Alright, straight up – the next couple of weeks are a bit of a mixed bag for Ketewel. There’s always some swell in the water, but it’s been a struggle to get good conditions. The wind is nearly always from the southeast, which is cross-on for this sheltered reef, and that’s going to keep things choppy and messy for most of the period. The water temp is sitting at 80°, which is pretty much normal for this time of year.

The first real chance to get excited about comes on Tuesday, September 8th. The morning bumps are around 5 ft from the SSW, with a period of 19 seconds – that’s a proper long-period groundswell, and it’ll bring a lot of energy (combined energy of 2597). The wind is onshore from the SSE at 9 mph, so it’s not perfect, but it’s manageable. The afternoon sees a slight bump to 6 ft with a 18-second period, and the energy stays high (2928). The same setup holds for Wednesday, September 9th, with a bit more size – 8 ft in the morning (combined energy of 2903) and 7 ft in the afternoon (2368). The wind is still cross-on, but it’s a lighter breeze at 6 mph on Wednesday afternoon, which is a bit better. This is a consistent, solid run of swell, but honestly, the wind is the main downside. For a reef break like Ketewel, that onshore wind is going to mess with the surface. It’s still surfable, but don’t expect perfection.

Now, looking further ahead, the standout option is the very end of the window. On Tuesday, September 22nd, we’re looking at some serious grunt – 10 ft in the morning and 12 ft in the afternoon, both from the SSW with a long period of 19 to 20 seconds. The combined energy is massive (7516 and 8209). This is big, powerful groundswell, and it’s not for the faint-hearted. For a reef break, that kind of size and period is expert-only territory. The good news is the wind looks like it could be light and onshore, or even near glassy, with SSE winds at just 6 mph. That’s a major positive for clean conditions. The period is very long, so the waves will be well-shaped and powerful, but it’s going to be a big, heavy wave. If you’re an experienced surfer, this is the best on offer, but it’s still a long way out, so take it with a grain of salt.

In between, there’s a lot of mediocre surf. The swell stays around 5 ft to 7 ft from the SSW for most of the first week, but the wind is persistently cross-on from the SE at 9 mph, keeping the surface choppy. The energy is moderate to strong (between 1000 and 2000 for most sessions). Friday and Saturday, September 11th and 12th, are particularly poor with the wind honking cross-on. There’s a slight improvement on Sunday, September 20th, with bigger swell up to 8 ft and lighter winds, but it’s still a cross-on breeze.

Overall, the best bet is the 22nd of September, but it’s a big, expert-only wave. The rest of the period is a game of waiting for the wind to play nice. If you’re a beginner, the smaller days around 4 ft to 5 ft might be worth a look, but with the wind as it is, it’s not the most inviting. The crowds at Ketewel can be an issue sometimes, so factor that in for the cleaner windows.

Rusty signing off.

Short Range Forecast

Light rain (total 8mm), mostly falling on Mon morning. Warm (max 26°C on Mon morning, min 23°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Thu night. Warm (max 27°C on Thu morning, min 24°C on Thu night). Wind will be generally light.

Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
2
2
3
2
2
3
1
2
2
0
0
1
1
0
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
SSW
14
1.7
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
2.1
SSW
15
1.8
SSW
15
2
SSW
16
2
SSW
16
1.9
SSW
16
1.8
SSW
15
1.5
SSW
15
1.5
SSW
14
1.3
SSW
14
1.4
SW
19
1.7
SSW
18
2
SSW
17
1.9
SSW
16
Wave Graph
Metric surfscale
Energy kJ
1773
1154
1089
1323
1726
2339
2903
2368
1981
1491
2046
1972
1663
1488
924
899
732
1519
1702
2256
1809
Wind (km/h)
15
SE
15
SE
10
SSE
15
SSE
15
SSE
10
SSE
15
SSE
10
SSE
5
SE
15
SSE
15
SSE
10
ESE
15
SE
15
SE
15
ESE
15
ESE
15
SE
20
ESE
20
SE
15
SE
15
ESE
Wind State
cross-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
cross-on
cross-on
cross-on
High Tide
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
11:16AM2.49m
11:27PM2.71m
Low Tide
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
5:10AM0.17m
5:15PM0.23m
rain showers
clear
rain showers
rain showers
rain showers
cloud
part cloud
part cloud
part cloud
part cloud
clear
rain showers
clear
clear
rain showers
clear
clear
rain showers
clear
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:16
6:16
6:15
6:13
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
2
3
2
1
3
4
3
1
3
Temp °C
26
26
24
25
25
24
25
25
24
27
27
25
27
27
25
27
27
25
27
27
25
Feels °C
27
27
26
27
26
26
26
26
27
29
28
28
29
28
28
29
28
27
28
28
28
  • 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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