Scar Reef Surf Break

Lat Long: 8.87° S 116.74° E

Scar Reef Surf Forecast and Surf Report

Issued: 7 am 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Scar Reef sea temperature is
26.5° C
0.2° 

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


Scar Reef surf forecast from 6 Aug 2026:

  • Best quality surf: Thursday 6 Aug, 5PM (local time) - 7ft (2.1m), 16s period, SSW swell with offshore winds.
  • Most powerful swell: Tuesday 11 Aug, 2AM (local time) - 10ft (3.0m), 17s period, SSW swell with 5,657 kJ wave energy.
  • Next surfable swell (1★+): Thursday 6 Aug, 5PM (local time) - 7ft (2.1m), 16s period with SSW swell.

Best Forecast Surf Conditions for Scar Reef this week:

The surf forecast for Scar Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 06) at 5PM. The primary swell is predicted to be 2.1m and 16s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Scar Reef in the next 16 days are 3.0m 17s and forecast to arrive on Tuesday (Aug 11) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Friday (Aug 07) at 5AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Thu 6th Aug)7ft (2.1m) 16s
Best Surf 5PM (Thu 6th Aug)7ft (2.1m) 16s
Most Powerful 2AM (Tue 11th Aug)10ft (3.0m) 17s

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


The Lowdown

Alright, Rusty here, and I’ve got a good look at what’s coming for Scar Reef. This is a run of solid, no-nonsense groundswell that’s going to have the reef absolutely pumping for days on end. We’re talking about a reef and point setup that’s sheltered, so it’s ready to handle this energy.

The standout period kicks off Thursday morning, August 6th, and it’s game on from the get-go. We’ve got a clean 7ft SSW groundswell rolling in with a very long 17-second period, and the wind is light offshore from the SE at just 3 mph. The water is a warm 80°, which is spot on average for this time of year. The combined swell energy is strong at 2466, and it’s just glassy perfection. Thursday afternoon holds the same vibe, with a touch more size at 7ft.

Friday, August 7th, picks up the pace. The morning sees 8ft from the SSW with a 17-second period, and while the wind is a cross-offshore, it’s still light. The real winner is Friday afternoon: clean 8ft, 16-second period, and light offshore wind. This is the kind of session that’ll have you rethinking your plans for the day.

The whole first week is a steady stream of clean, powerful surf. Saturday the 8th through to Monday the 10th keep the size between 6ft and 10ft, with the wind staying light and favourable. The real standout blow-up comes Monday afternoon, August 10th. The swell jumps to 10ft from the SSW with an 18-second period, and the combined energy hits a massive 5209. That’s some serious grunt. The wind is a cross-off, but it’s light, and the waves are clean. This is for the experienced crew only—this is proper reef surfing.

The energy stays high into Tuesday the 11th, with another 10ft morning, but the scores dip a little due to questionable tide conditions, so pick your moment. Wednesday the 12th offers a bit of a breather with a 6ft morning, but it’s still clean.

Then we get another big pulse. Thursday, August 13th, is a monster morning: 10ft, 17-second groundswell, and light cross-off wind. The combined energy is 4865. That afternoon, the wind goes glassy offshore, and the swell stays at 10ft. This is a world-class window for experts.

The second week settles into a more manageable rhythm, but it’s still very good. From Friday the 14th through to Sunday the 16th, we’ve got a consistent 5ft to 8ft range, with mostly light offshore or cross-off winds. The swell period stays in that sweet 15 to 17-second range, so the waves have real shape.

The period from Monday the 17th through to Friday the 21st of August sees the swell direction shift slightly to the SW, which is actually the optimum for this spot. It stays solid, with an 8ft to 10ft range on the bigger days, and the wind remains offshore or light cross-off. The morning of Thursday, August 20th, is particularly special with a glassy 10ft SW swell and a period of 17 seconds. The energy is 4408. That’s a dream session if you’ve got the skills.

The only thing to keep in mind is that this is a reef break, so it’s for advanced surfers. The crowds can be an issue here sometimes, but with this much swell running for such a long period, the pack will be thinned out by the size and power. For the beginners, anything over 8ft is a no-go. The long period groundswell is also something to be aware of; it’s going to have a lot of push and will be best for the deeper take-offs on the reef. This isn’t a beach break session.

If you’re an experienced surfer, there’s no better option on the table than Scar Reef right now. The consistency, the power, the clean wind; it’s all there.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Thu afternoon, min 22°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Some drizzle, heaviest during Sun morning. Warm (max 27°C on Sun morning, min 22°C on Sun night). Wind will be generally light.

Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
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)
4
4
4
4
4
4
4
4
4
4
4
3
4
4
4
3
3
4
4
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
SSW
17
2.1
SSW
16
2.1
SSW
16
2.3
SSW
17
2.5
SSW
16
2.5
SSW
16
2.4
SSW
16
2.3
SSW
16
2.2
SSW
16
2.2
SSW
16
2.1
SSW
16
2
SSW
15
1.8
SSW
19
3
SSW
18
3
SSW
17
3
SSW
17
2.5
SSW
16
2.5
SSW
16
1.8
SSW
14
2.2
SSW
15
2
SSW
18
Wave Graph
Metric surfscale
Energy kJ
2434
2376
2178
2939
3444
3751
2936
2697
2389
2330
2096
1716
2443
5209
5657
4647
2948
3079
1336
2158
2605
Wind (km/h)
5
SE
5
SE
10
E
5
S
5
SE
10
ESE
10
S
15
SE
10
SE
15
SSE
10
SSE
10
ESE
10
S
15
S
10
SSE
15
S
20
SSE
10
ESE
10
S
10
SE
10
ESE
Wind State
off
off
cross-off
cross-off
off
cross-off
cross-off
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
cross-off
High Tide
4:13PM0.87m
3:54AM1.55m
5:03AM1.57m
6:28AM1.62m
7:48AM1.69m
11:09PM1.05m
8:54AM1.78m
11:21PM1.13m
9:50AM1.83m
11:42PM1.21m
Low Tide
10:29AM0.57m
8:13PM0.74m
12:24PM0.49m
2:10PM0.34m
3:14PM0.19m
4:00PM0.07m
2:12AM0.97m
4:39PM0.01m
3:28AM0.87m
5:14PM0.01m
4:26AM0.75m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:24
6:24
6:24
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:10
6:10
6:10
6:10
6:10
6:10
6:12
 mm
1
Temp °C
27
28
24
26
26
25
26
27
24
27
27
25
25
26
24
26
26
24
26
27
24
Feels °C
28
28
25
28
27
27
27
27
25
28
26
26
26
26
25
26
24
25
28
27
26
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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 Scar Reef Surf forecast

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

Scar Reef is 55 km (34 miles) from the city of Praya. If you plan a holiday in Sumbawa, look for hotels and other accommodation in Praya. Praya has rooms for a wide range of budgets as well as car hire and transport links.

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