Nungas Surf Break

Lat Long: 8.79° S 118.38° E

Nungas Surf Forecast and Surf Report

Issued: 7 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nungas sea temperature is
26.7° 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 17 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 8PM (local time) - 8ft (2.5m), 18s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 19 Aug, 11PM (local time) - 10ft (3.0m), 17s period, SW swell with 4,607 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 2AM (local time) - 4.5ft (1.4m), 14s 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 Tuesday (Aug 18) at 2AM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 0.6m and 18s. The wind is predicted to be 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 Wednesday (Aug 19) at 11PM. 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 6s period and expected on Saturday (Aug 22) at 2AM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 18th Aug)4.5ft (1.4m) 14s
Best Surf 8PM (Wed 19th Aug)8ft (2.5m) 18s
Most Powerful11PM (Wed 19th Aug)10ft (3.0m) 17s

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


The Lowdown

G’day, I’m Rusty, and I’ve got the goods for Nungas. We’ve got a solid run of south-west groundswell coming in, and it’s looking like a proper extended period of waves for the spot. The water’s sitting at 80°F with a tiny anomaly of just 0.7°F, so it’s pretty average for this time of year – beautiful and warm for a session.

The swell kicks in Monday afternoon, August 17th, with clean 5ft SSW swell and a 14-second period. The wind’s a gentle cross-off from the SE at 9 mph, and the combined wave energy is moderate (1029). It’s a decent start, nothing massive, but the quality is there for a beginner-friendly reef and point set-up that’s fairly consistent.

Tuesday the 18th, the swell settles back a touch to 4ft SW at 16 seconds in the morning, but the energy jumps up (1897). The afternoon sees a bump to 6ft SW, same long period, with light SE wind at 6 mph making for super clean conditions – a real highlight for the experienced surfer. The crowds can be a bit of a nuisance at times here, but with this quality, it’s worth dealing with.

Wednesday the 19th morning is the standout of the first week: 8ft SW, 19-second period, just massive long-period groundswell. Combined energy is strong (3878) and the wind is a gentle cross-off. This is your session – just be aware that long-period swell like this can be a bit straight at some beach breaks, but for a reef and point like Nungas, it’ll line up nicely. The afternoon gets a little bigger at 8ft SW, but the wind picks up to a moderate 12 mph, so it’s a bit more challenging.

Thursday the 20th morning pushes 10ft SW, 16 seconds, with light ESE wind at 6 mph – that’s expert territory, over 8ft, and the energy is very strong (4190). It’s huge, clean, and powerful. Friday the 21st backs off to 7ft SW, still solid, but moderate wind in the afternoon makes it workable rather than perfect. Saturday the 22nd and Sunday the 23rd sit around 7-8ft SSW, with consistent clean conditions, all cross-off wind.

Second week rolls in from Monday 24th, with 6ft SW easing to 4ft by afternoon. Tuesday 25th brings back 6-7ft SW, solid and clean. Wednesday 26th dips to 5ft SW, energy (1061), still okay. Thursday 27th morning is a smaller 4ft SW but with an 18-second period – a sneaky clean session. Friday 28th to Saturday 29th holds 6ft SW, with light wind on Saturday afternoon. Sunday 30th picks up again to 7ft SW, 16 seconds. Monday 31st of August jumps to a powerful 6ft SW, 21-second period, energy (3974) – very respectable. Then Tuesday 1st of September finishes the outlook with 8ft SW, 18 seconds, and strong energy (4689), another expert-only highlight.

The real standout is Wednesday 19th August morning – that 8ft SW with a 19-second period and gentle cross-off wind is just pure quality. And for the long-range, Tuesday 1st September afternoon is promising: 8ft SW, 18 seconds, clean. The whole run is surprisingly consistent for Nungas, so get excited.

No major gaps here – just a steady stream of swell from start to finish.

Rusty.

Short Range Forecast

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

Days 5-7 Weather Summary

Mostly dry. Warm (max 29°C on Fri afternoon, min 23°C on Thu night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
4
4
4
4
3
5
5
3
4
4
3
4
3
4
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)
1.4
SSW
14
1.2
SSW
16
1.8
SW
16
2
SSW
16
2.3
SW
19
2.5
SW
18
3
SW
17
3
SW
16
2.5
SW
16
2.3
SW
16
2.1
SW
15
2.3
SW
17
2.4
SSW
16
2.4
SSW
16
2.3
SSW
16
2.1
SSW
15
2.1
SSW
15
1.8
SSW
15
1.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
690
726
1693
1953
3604
3839
4484
4190
3376
2545
2102
3146
2928
2786
2550
1989
1821
1409
1111
Wind (km/h)
10
E
15
ESE
10
SE
10
E
10
ESE
15
SE
10
E
10
SE
15
SE
10
E
10
SE
20
SE
15
ESE
15
SE
15
SSE
10
ESE
15
SE
15
SSE
10
ESE
Wind State
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
cross-off
cross-off
off
High Tide
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
4:44PM1.45m
4:45AM2.03m
10:07PM1.61m
Low Tide
7:27AM0.45m
7:19PM0.55m
8:02AM0.61m
7:43PM0.75m
8:39AM0.81m
8:04PM0.96m
9:26AM1.02m
8:22PM1.18m
10:48AM1.19m
8:25PM1.38m
2:10PM1.14m
11:41PM1.60m
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:15
6:13
6:13
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
24
28
28
24
28
28
25
28
28
24
28
29
24
27
28
24
27
27
24
Feels °C
26
29
28
26
29
29
26
30
29
26
29
29
26
28
28
26
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 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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