Nungas Surf Break

Lat Long: 8.79° S 118.38° E

Nungas Surf Forecast and Surf Report

Issued: 7 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nungas sea temperature is
26.6° C
0.2° 

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


Nungas surf forecast from 19 Aug 2026:

  • Best quality surf: Thursday 20 Aug, 2AM (local time) - 10ft (3.0m), 17s period, SW swell with offshore winds.
  • Most powerful swell: Thursday 20 Aug, 2AM (local time) - 10ft (3.0m), 17s period, SW swell with 4,826 kJ wave energy.
  • Next surfable swell (1★+): Thursday 20 Aug, 2AM (local time) - 10ft (3.0m), 17s period with SW 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 Thursday (Aug 20) at 2AM. The primary swell is predicted to be 3.0m and 17s period. 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 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 1.3m 6s period and expected on Friday (Aug 21) at 11PM.

Wave TypeTime (WITA) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 20th Aug)10ft (3.0m) 17s
Best Surf 2AM (Thu 20th Aug)10ft (3.0m) 17s
Most Powerful 2AM (Thu 20th Aug)10ft (3.0m) 17s

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


The Lowdown

Alright folks, Rusty here. Let’s get into it.

We’ve got a solid run of surf on the cards at Nungas, a reef and point setup that’s fairly consistent and beginner-friendly, with a good cross-off wind most of the time. The water temp is sitting at about 80°, which is pretty much normal for this time of year, so no surprises there.

The action kicks off on Wednesday afternoon, the 19th of August. We’re looking at a solid 8 ft SW groundswell with a long 18-second period, packing a strong 3839 units of energy. The wind is a light ESE cross-off, keeping things clean. This is proper groundswell with that long period, so expect powerful, well-shaped waves with plenty of time between sets—perfect for the point and reef here. It’s a bit on the bigger side, so more suited to experienced surfers.

Thursday the 20th brings even more. Morning sees a 10 ft SW swell, 16-second period, and a massive 4228 energy reading. The wind is a light SE cross-off, glassy conditions. This is the standout of the whole run—big, clean, and powerful. Afternoon holds at 8 ft with similar conditions. Friday the 21st stays strong, with a 7 ft SW swell and 15-second period in the morning, clean cross-off winds. The afternoon shifts to a 8 ft SSW swell with a 17-second period, still clean but with a moderate breeze.

Saturday the 22nd is another cracker. Morning offers 8 ft SSW swell, 16-second period, clean conditions. Afternoon drops a touch to 7 ft but still solid. Sunday the 23rd morning is clean with 7 ft SSW swell, but the afternoon gets a bit tricky—cross-shore wind and some chop, so it’s a bit messy.

Monday the 24th and Tuesday the 25th keep the swell coming. Monday has 7 ft to 6 ft SSW swell, clean. Tuesday morning is smaller at 5 ft with a 14-second period, but the afternoon picks up to 6 ft SW swell, 16 seconds, and clean. The energy drops to moderate levels (1183 to 1591), but still good fun.

Wednesday the 26th sees the swell ease further: 6 ft SSW in the morning, 5 ft SW in the afternoon, both clean. Thursday the 27th is smaller still—4 ft SW in the morning, clean, but the afternoon is a weird one: only 3 ft but with a very long 20-second period and cross-shore wind, so it’s a bit messy. That long period on a small swell can be tricky.

Friday the 28th brings a new pulse. Morning jumps to 8 ft SW swell, 17-second period, clean, with a light breeze. The afternoon is 8 ft SW, but goes cross-shore again, so a bit of wind ripple. Saturday the 29th morning is 7 ft SW with cross-shore wind, but the afternoon cleans up nicely with 6 ft SW swell and a gentle cross-off breeze.

Sunday the 30th is smaller, 5 ft to 5 ft SW, clean but mellow. Monday the 31st picks up again with a 5 ft SW swell in the morning, very long 20-second period, and a 6 ft SW in the afternoon, 19-second period, both clean. That long period again means slow, powerful sets.

Now, into September. Tuesday the 1st is a beauty. Morning brings 8 ft SW swell, 18-second period, clean, with a light breeze—standout quality. The afternoon is 8 ft as well, but goes cross-shore, so a bit of ripple. Wednesday the 2nd morning is 7 ft SW, 16 seconds, clean, and the afternoon is even better with a near-glass 5 km/h S wind, cross-off, and clean conditions. Thursday the 3rd tapers off with 6 ft SW in the morning, clean, but the afternoon goes cross-shore again.

All in all, Nungas is firing through most of this period. The best windows are Thursday the 20th morning, Friday the 21st morning, and Tuesday the 1st of September morning—those are the ones to circle. The long-period swells here are a dream for the point and reef, but if you’re a beach break junkie, keep in mind they can wall up a bit. Crowds are sometimes an issue, but with this much quality on offer, it’s worth sharing the lineup.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 29°C on Fri afternoon, min 22°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Sun morning, min 22°C on Sat night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
5
5
4
4
4
3
4
4
4
4
4
3
4
3
4
4
2
4
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SW
17
3
SW
16
2.5
SW
16
2.3
SW
16
2.2
SW
15
2.3
SW
17
2.3
SW
16
2.4
SSW
16
2.2
SSW
16
2.1
SSW
15
2.1
SSW
15
2
SSW
15
1.9
SSW
15
2.1
SSW
15
2
SSW
16
1.8
SW
15
1.4
SSW
14
1.8
SW
16
1.7
SSW
15
Wave Graph
Metric surfscale
Energy kJ
4826
4367
3648
2545
2263
3146
2727
2900
2472
2016
1871
1648
1546
2016
1856
1511
763
1591
1174
Wind (km/h)
10
ENE
15
SE
10
SE
10
E
15
SE
20
SE
10
E
15
SE
15
SSE
10
E
15
SSE
15
S
10
ESE
15
SE
15
SSE
10
SE
15
SE
15
SSE
10
SE
Wind State
off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:06AM2.64m
2:24PM1.94m
2:36AM2.43m
3:00PM1.67m
3:16AM2.22m
4:44PM1.45m
4:45AM2.03m
10:07PM1.61m
7:24AM2.06m
9:45PM1.82m
8:37AM2.25m
10:01PM2.03m
Low Tide
8:39AM0.81m
8:04PM0.96m
9:26AM1.02m
8:22PM1.18m
10:48AM1.19m
8:25PM1.38m
2:10PM1.14m
11:41PM1.60m
3:08PM0.93m
2:37AM1.45m
3:38PM0.72m
3:22AM1.23m
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:13
6:13
6:11
6:11
<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
26
27
23
27
29
24
27
28
23
27
27
24
26
27
24
26
27
24
Feels °C
26
27
28
25
28
29
25
28
29
25
29
28
26
27
27
26
26
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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