Scar Reef Surf Break

Lat Long: 8.87° S 116.74° E

Scar Reef Surf Forecast and Surf Report

Issued: 1 am 16 Jul 2026 (local time)

Forecast update in  hr  min

Today's Scar Reef sea temperature is
27.3° C
0.7° 

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 15 Jul 2026:

  • Best quality surf: Monday 20 Jul, 8AM (local time) - 6ft (1.9m), 17s period, SW swell with offshore winds.
  • Most powerful swell: Monday 20 Jul, 11AM (local time) - 6.5ft (2.0m), 17s period, SSW swell with 2,378 kJ wave energy.
  • Next surfable swell (1★+): Thursday 16 Jul, 8AM (local time) - 5ft (1.5m), 15s 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 (Jul 16) at 8AM. The primary swell is predicted to be 1.5m and 15s period with a secondary swell of 0.9m and 6s. Another secondary swell of 1.6m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Scar Reef in the next 16 days are 2.0m 17s and forecast to arrive on Monday (Jul 20) at 11AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 8s period and expected on Friday (Jul 17) at 11AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 16th Jul)5ft (1.5m) 15s
Best Surf 8AM (Mon 20th Jul)6ft (1.9m) 17s
Most Powerful11AM (Mon 20th Jul)6.5ft (2.0m) 17s

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


The Lowdown

Alright, let me break down what Scar Reef is serving up. This is a reef and point break that lights up when the swell comes from the southwest. The water’s sitting at 81°F, which is pretty average for this time of year – nothing abnormal.

The run starts on Thursday the 16th with clean conditions. We’ve got a 5ft swell from the SSW, a long 15-second period, and a light offshore breeze from the SE. That’s proper groundswell, and the combined energy is strong at 1296 (moderate to strong). Expect very good, clean surf, with the wind dropping even lighter by the afternoon. The crowd is “sometimes,” so don’t sleep on it.

Friday the 17th keeps the quality up. Similar size, 5ft from the SW, still 15 seconds, and morning offshore winds. Afternoon swings to a cross-off from the ESE, but wave energy is even higher at 1555, so the shape holds.

Saturday the 18th and Sunday the 19th stay solid: 4-5ft, SW swell, 13-15 seconds, with offshore or light cross-off winds. Consistently clean and good. Energy stays moderate, around 700-1200.

Now, Monday the 20th is a standout. Swell jumps to 7ft from the SSW, period hits 17 seconds, and the combined energy rockets to 2447 – strong wave energy. Morning is glassy with a light SSE breeze, and it’s marked “excellent for experienced surfers.” This is advanced territory. Over 5ft on a reef, beginners stay out. The afternoon stays offshore but with a moderate breeze. If you’re skilled, this is the best of the first week.

Tuesday the 21st stays good with 6ft from the SW, period drops to 14 seconds. Energy is still moderate-strong at 1402. Offshore winds hold all day.

From Wednesday the 22nd through the end of the first week, the swell settles to 4-5ft. Winds stay offshore or cross-off, and it’s clean. Not epic, but solid.

Saturday the 25th deserves a note: morning is glassy with 4ft from the SSW and a 15-second period. Energy is moderate at 777, but glassy conditions on a point break are always sweet.

Into the second week, Monday the 27th sees a lull – smaller swell around 3-3ft, but still clean and rideable.

Tuesday the 28th looks good again. Swell builds to 5ft from the SSW, period back up to 17 seconds, and the morning is glassy. Energy is strong at 1621. Another one for experienced surfers.

Friday the 31st is the long-range standout. Morning has a glassy 3ft swell from the SW, but the period is a massive 23 seconds, and the combined energy is 2148 (very strong). That’s an extremely long-period groundswell, which on this reef and point setup will produce beautifully powerful, lined-up waves. The afternoon stays clean with 4ft and a 22-second period. It’s marked “excellent for experienced surfers.” Over a week out, so it’s a promising look, not a guarantee.

The two true standouts here are Monday the 20th and Friday the 31st, with Saturday the 25th and Tuesday the 28th as strong back-ups. If you’re confident in your abilities, circle the 20th. The long-range 31st is one to keep an eye on.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Thu afternoon, min 23°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 28°C on Sun afternoon, min 23°C on Sun night). Wind will be generally light.

Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
3
3
3
3
3
2
3
2
2
3
4
4
4
3
3
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
SSW
15
1.4
SW
15
1.4
SW
15
1.4
SW
15
1.5
SW
16
1.4
SW
16
1.4
SW
15
1.4
SW
14
1.4
SW
14
1.3
SW
13
1.3
SW
13
1.5
SW
15
2
SSW
17
2.1
SSW
16
2
SSW
16
1.8
SW
14
1.7
SSW
14
1.5
SSW
14
1.4
SSW
13
1.3
SSW
13
1.3
SSW
12
Wave Graph
Metric surfscale
Energy kJ
974
869
773
773
1129
976
879
833
799
577
560
979
2378
2151
1956
1340
1111
895
649
555
481
Wind (km/h)
10
SE
5
ESE
10
ESE
10
SSE
10
ESE
15
ESE
10
SE
10
ESE
10
ESE
10
SSE
10
E
10
ESE
10
SSE
20
ESE
10
ESE
15
SE
25
SE
10
SE
20
SSE
20
SSE
10
ESE
Wind State
off
off
cross-off
off
cross-off
off
off
cross-off
off
off
cross-off
off
off
off
off
off
off
off
off
off
off
High Tide
11:28AM1.89m
1:19AM1.22m
12:16PM1.77m
1:51AM1.30m
1:01PM1.60m
2:24AM1.37m
1:47PM1.40m
2:58AM1.42m
2:36PM1.19m
3:34AM1.45m
3:37PM0.99m
4:13AM1.46m
5:22PM0.85m
5:00AM1.45m
Low Tide
6:48PM0.01m
6:02AM0.75m
7:21PM0.13m
6:59AM0.72m
7:51PM0.27m
7:58AM0.71m
8:17PM0.42m
9:02AM0.71m
8:39PM0.55m
10:17AM0.70m
8:55PM0.67m
11:54AM0.65m
8:59PM0.77m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:28
6:28
6:28
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:08
6:08
6:08
6:08
6:08
 mm
Temp °C
27
28
26
27
28
25
27
28
25
27
28
25
27
27
25
27
28
24
27
27
24
Feels °C
29
29
29
29
29
27
29
29
27
29
29
27
29
27
26
27
27
24
26
25
23
  • 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 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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