Tandjung-Lefts Surf Break

Lat Long: 8.69° S 115.27° E

Tandjung-Lefts Surf Forecast and Surf Report

Issued: 1 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Tandjung-Lefts sea temperature is
26.4° C
0.1° 

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


Tandjung-Lefts surf forecast from 18 Aug 2026:

  • Most powerful swell: Wednesday 19 Aug, 11PM (local time) - 8ft (2.5m), 17s period, SSW swell with 3,727 kJ wave energy.

Best Forecast Surf Conditions for Tandjung-Lefts this week:

The most powerful waves expected at Tandjung-Lefts in the next 16 days are 2.5m 17s and forecast to arrive on Wednesday (Aug 19) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 8s period and expected on Wednesday (Aug 19) at 11PM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Wed 19th Aug)8ft (2.5m) 17s

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


The Lowdown

G’day, Rusty here. Let’s have a look at what’s on offer.

Alright, straight up, we’ve got a solid run of swell coming through for Tandjung-Lefts, but it’s going to be a battle with the wind for most of the next two weeks. The real standout is waiting right at the tail end of the forecast, so you’ll need some patience.

Swell energy is pumping through the whole first week. We’re talking moderate to very strong wave energy, with values in the thousands – like 1918 on Tuesday afternoon, then ramping up to 3071 and 3558 on Wednesday and Thursday. That’s a lot of juice in the water. The swell is coming from the SSW, which is bang on the optimum direction for this reef break, and the period is long, between 15 and 18 seconds – proper groundswell, meaning good shape and power, but with those long gaps between sets.

The problem is the wind. For almost every session from Tuesday 18th August right through to the end of the month, it’s cross-onshore from the SE or ESE, at 9 to 16 mph. That’s making the surface choppy and messy. The wave comment keeps calling it “marginal” or “poor”. The water temp is sitting at 80°F, which is pretty normal for this time of year, so no surprises there.

Now, the swell size is no joke. Most days we’re looking at 5ft to 8ft. Anything over 8ft would be expert territory, but this is still solid, advanced-level stuff. With the cross-onshore wind, it’s going to be lumpy and challenging. For a reef break, that’s not ideal, but if you’re an experienced surfer and you can handle the chop, the power is there.

The best bet in the whole 16-day window? That’s Sunday 30th August afternoon. The swell drops to 3ft, but the period stretches to 18 seconds – very long-period groundswell. The wind shifts to a light cross-offshore from the SSW at 9 mph, and the wave comment says “excellent surf conditions for experienced surfers”. The combined energy is still strong at 1509, and it’s clean. That’s the one to circle on the calendar. Crowds are listed as “sometimes”, so you might not have it all to yourself, but with clean conditions and that long-period swell wrapping into a reef, it’s going to be quality.

Before that, there’s a brief window on Saturday 29th August afternoon where the wind goes cross-shore, and then Sunday 30th morning is light cross-shore with small ripples, scoring a 3. Those are your next best options, but the Sunday afternoon is the clear winner.

The second week is a bit of a letdown. From Monday 31st August onward, the wind is back onshore and the swell energy drops into the 1000s and low 1000s, with heights around 5ft. It’s not great, but there’s still something to ride if you’re desperate. Tuesday 1st September is the same story – marginal, choppy, not worth getting excited about.

So, the takeaway: the whole first week has plenty of swell but the wind is a bastard. Don’t get your hopes up for anything clean until that Sunday 30th August afternoon. That’s the standout. Everything else is a fight.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Tue afternoon, min 24°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Some drizzle, heaviest during Mon morning. Warm (max 26°C on Sun afternoon, min 24°C on Fri night). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
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
2
1
2
2
1
1
0
1
0
0
2
1
1
1
1
1
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
SSW
16
1.6
SSW
16
2.2
SSW
18
2.4
SSW
17
2.5
SSW
17
2.4
SSW
16
2.2
SSW
16
2
SSW
16
1.5
SSW
17
2.2
SSW
17
2.2
SSW
16
2.1
SSW
16
1.9
SSW
16
1.8
SSW
15
1.8
SSW
15
1.7
SSW
15
1.3
SSW
18
1.7
SSW
16
1.7
SSW
16
1.5
SSW
14
Wave Graph
Metric surfscale
Energy kJ
1626
1169
3022
3467
3640
2892
2510
1957
1312
2723
2329
2080
1780
1491
1471
1220
972
1393
1393
943
Wind (km/h)
20
SE
15
ESE
15
SE
15
ESE
10
ESE
15
ESE
20
ESE
15
ESE
20
SE
15
ESE
20
ESE
25
ESE
15
SE
20
SE
20
SE
15
SE
15
SE
20
ESE
15
SE
15
SE
Wind State
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
1:30AM2.47m
1:45PM1.87m
1:58AM2.32m
2:15PM1.64m
2:29AM2.15m
2:50PM1.42m
3:08AM1.96m
4:11PM1.21m
4:25AM1.80m
7:04AM1.80m
9:48PM1.53m
Low Tide
7:09PM0.47m
7:56AM0.53m
7:31PM0.64m
8:35AM0.69m
7:51PM0.81m
9:23AM0.87m
8:06PM0.99m
10:52AM1.01m
7:51PM1.16m
1:59PM0.96m
3:00PM0.77m
2:16AM1.28m
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:26
6:26
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:17
6:17
6:17
6:17
6:16
6:16
 mm
1
Temp °C
26
24
25
26
24
25
25
25
25
25
24
25
25
24
25
26
25
25
26
25
Feels °C
27
24
25
26
25
26
25
24
25
24
24
24
24
26
26
26
27
25
26
26
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Tandjung-Lefts Surf forecast

The above surf forecast table for Tandjung-Lefts provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tandjung-Lefts can be found by selecting the local surf guide option on the grey menu. Our Tandjung-Lefts 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 (Tandjung-Lefts) 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 Tandjung-Lefts 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.

Tandjung-Lefts 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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