Nungas Surf Break

Lat Long: 8.79° S 118.38° E

Nungas Surf Forecast and Surf Report

Issued: 1 am 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nungas sea temperature is
26.6° C
0.4° 

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


Nungas surf forecast from 15 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 5PM (local time) - 8ft (2.5m), 18s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 20 Aug, 2AM (local time) - 10ft (3.0m), 17s period, SW swell with 4,800 kJ wave energy.
  • Next surfable swell (1★+): Saturday 15 Aug, 11AM (local time) - 6ft (1.9m), 17s period with SSW swell.

Best Forecast Surf Conditions for Nungas this week:

The surf forecast for Nungas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 15) at 11AM. The primary swell is predicted to be 1.9m and 17s period with a secondary swell of 0.5m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Nungas in the next 16 days are 3.0m 17s and forecast to arrive on Thursday (Aug 20) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Saturday (Aug 22) at 2AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sat 15th Aug)6ft (1.9m) 17s
Best Surf 5PM (Wed 19th Aug)8ft (2.5m) 18s
Most Powerful 2AM (Thu 20th Aug)10ft (3.0m) 17s

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


The Lowdown

G’day, Rusty here. We’ve got a solid run of surf lining up at Nungas, a reef and point setup that’s fairly consistent and pretty exposed to the swell. The water’s sitting at about 80°F, which is about average for this time of year. The whole 16-day window is filled with surf, so no gaps to worry about.

The pattern kicks off from Saturday the 15th of August and doesn’t let up. The first few days bring a strong groundswell from the SSW – around 6ft to 7ft with a 17-second period, carrying a lot of energy. The wind’s a gentle cross-off from the ESE to SSE, keeping things clean. This is a big, powerful swell for the more experienced crew – it’s over 5ft, so beginners might want to sit this one out. The real standout, though, is Wednesday the 19th of August. We see a jump in swell height to 8ft from a slightly more SW direction, with an 18-second period and strong energy. The wind stays light and cross-off. That’s the pick of the early window for seasoned surfers.

Through the rest of the first week and into the second, the swell dips a little but stays rideable. By Tuesday the 25th of August we’re still seeing 6ft SSW swell with 16-second period and good energy, and cross-off winds keep it clean. The long-period nature of these swells means they’ll set up nicely on the reef and point at Nungas, with longer lulls between sets making the paddle out a bit easier.

Looking further out to the weekend of the 29th and 30th of August, there’s a promising pulse of SW swell building again – up to 7ft with a 17-second period and energy climbing back up. Winds stay light, so it’s shaping up as another strong day for experienced surfers, though it’s a week and a half away so keep an eye on it.

The direction is mostly SSW to SW, which lines up nicely with the optimum swell direction. Crowds can be a thing here sometimes, so it’s worth getting out early, especially on the bigger days. This is a solid outlook for Nungas.

Rusty.

Short Range Forecast

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

Days 4-6 Weather Summary

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

Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
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
3
3
3
4
4
4
4
5
5
4
4
4
3
3
4
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
17
2
SSW
17
2
SSW
16
2
SSW
16
1.9
SSW
16
1.8
SSW
15
1.6
SSW
14
1.5
SSW
14
1.4
SSW
14
1.2
SSW
16
1.8
SW
16
1.9
SSW
16
2.4
SW
19
2.5
SSW
18
3
SW
17
3
SW
17
2.5
SW
16
2.4
SW
16
2.1
SW
15
1.6
SW
17
2.2
SW
16
Wave Graph
Metric surfscale
Energy kJ
2196
2377
2110
1982
1788
1356
1057
934
690
726
1693
1787
3819
4177
4800
4420
3808
2905
2130
1450
2468
Wind (km/h)
10
SE
10
SSE
5
ESE
15
SE
10
SSE
5
E
15
SE
10
SSE
10
E
15
ESE
10
SSE
10
E
10
SE
10
SSE
10
E
15
SE
15
SE
10
E
15
SE
20
SSE
20
ESE
Wind State
cross-off
cross-off
glassy
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross-off
off
High Tide
11:42AM3.02m
00:10AM2.97m
12:17PM2.90m
00:40AM3.00m
12:51PM2.71m
1:09AM2.95m
1:23PM2.47m
1:38AM2.82m
1:54PM2.20m
2:06AM2.64m
2:24PM1.94m
2:36AM2.43m
3:00PM1.67m
3:16AM2.22m
Low Tide
5:58PM0.11m
6:16AM0.33m
6:27PM0.21m
6:52AM0.36m
6:54PM0.37m
7:27AM0.45m
7:19PM0.55m
8:02AM0.61m
7:43PM0.75m
8:39AM0.81m
8:04PM0.96m
9:26AM1.02m
8:22PM1.18m
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:15
6:15
6:15
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:05
6:05
6:05
6:05
6:05
6:05
 mm
Temp °C
27
28
24
27
28
24
28
28
24
28
28
25
27
28
25
27
28
24
27
28
24
Feels °C
28
29
27
28
29
27
29
29
27
29
29
28
29
30
27
28
29
26
28
29
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 Nungas Surf forecast

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

Are you planning a holiday in Sumbawa? If you are looking for accommodation near Nungas, camping, hotels and holiday cottages in Sumbawa, consider staying in Bima which is 52 km (32 miles) away. Alternatively, find information about places to stay and car hire in Raba which is 56 km (35 miles) away

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