Surf Forecasts:
Nungas surf forecast from 8 Aug 2026:
- Best quality surf: Monday 10 Aug, 8PM (local time) - 8ft (2.5m), 18s period, SSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 11 Aug, 5AM (local time) - 10ft (3.0m), 17s period, SSW swell with 5,209 kJ wave energy.
- Next surfable swell (1★+): Sunday 9 Aug, 8AM (local time) - 8ft (2.4m), 16s 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 Sunday (Aug 09) at 8AM. The primary swell is predicted to be 2.4m and 16s 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 Tuesday (Aug 11) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Aug 09) at 8PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sun 9th Aug) | 8ft (2.4m) 16s |
| Best Surf | 8PM (Mon 10th Aug) | 8ft (2.5m) 18s |
| Most Powerful | 5AM (Tue 11th Aug) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Nungas over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s break it down in feet and knots.
Nungas is the spot – a reef and point that fires on a proper SW groundswell. Water temp is about 80°F, bang on average for this time of year.
Sunday the 9th of August kicks off with a clean 8ft SSW swell, period a long 16 seconds. Combined energy is 2550 (moderate). Wind is a light cross-off from the SE at 9 knots. This is excellent surf for experienced surfers – too big for the groms. That long period will draw nice lines down the point, but expect longer waits between sets.
Monday the 10th keeps it going. Morning sees the swell at 6ft from the SSW, period 15 seconds, combined energy 2722. Wind drops to 5 knots from the SE, still cross-off and clean. Monday afternoon is the standout: 8ft SSW swell, period stretching to a very long 18 seconds. Combined energy jumps to 3844 (moderate to strong). This is primo for the point – heaps of shape and push. Expert stuff.
Tuesday the 11th is the peak. Morning has a solid 10ft SSW swell, period 17 seconds, combined energy 4447 – strong. Wind is a light cross-off. That’s big, clean, and powerful. Afternoon is even more punchy: 10ft SSW swell, combined energy at 5798 (strong to very strong). If you’re experienced, this is the session.
Wednesday the 12th through Saturday the 15th eases back to 5ft to 7ft, still SSW, periods 14 to 17 seconds. Light to gentle cross-off winds keep it clean. Day after day of quality.
Sunday the 16th keeps the same feel: 6ft to 7ft, 16-second period, light cross-off.
Monday the 17th drops to 6ft with a shorter 14-second period. Combined energy dips to 1201 (moderate). Still clean, just less grunt.
Tuesday the 18th is odd. Morning is only 3ft but with a very long 21-second period from the SW. That’s a tiny, slow groundswell – might wrap in for a few glassy ones. Afternoon picks up to 5ft, 20-second period, but wind picks up to a moderate breeze.
Wednesday the 19th brings another big pulse: 10ft SW swell, 18-second period, combined energy 5515. Wind is cross-off but moderate at 12 knots from the ESE. It’s big and a bit bumpy – marginal for paddle, expert only.
Thursday the 20th of August is another standout. 10ft SW swell, 16-second period, combined energy 4209, with a gentle cross-off breeze. Clean, heavy, expert-only.
From Friday the 21st to Monday the 24th, the swell backs off from 8ft down to 5ft, periods shortening from 16 to 14 seconds. Winds stay mostly cross-off and light, keeping things clean. Combined energy drops from 2624 to a weak 961 by Monday.
Best bets: Tuesday the 11th (especially the afternoon) and Thursday the 20th (morning). Both are pumping, clean, and powerful – for the crew who can handle it.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Sun morning, min 23°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Wed afternoon, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 17 | SSW 17 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2550 | 2486 | 1911 | 1488 | 3844 | 4959 | 4447 | 4239 | 2961 | 1389 | 1014 | 759 | 1821 | 2136 | 2191 | 1957 | 1516 | 1208 | 2196 | 2146 | 2033 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | glassy |
High Tide | 8:02PM1.63m | 7:13AM2.45m | 9:16PM1.88m | 8:35AM2.64m | 9:59PM2.16m | 9:33AM2.85m | 10:34PM2.43m | 10:21AM3.00m | 11:08PM2.67m | 11:03AM3.06m | 11:39PM2.86m | 11:42AM3.02m | 00:10AM2.97m | ||||||||
Low Tide | 1:22PM0.88m | 00:10AM1.42m | 2:47PM0.65m | 2:15AM1.28m | 3:39PM0.41m | 3:24AM1.03m | 4:19PM0.23m | 4:14AM0.76m | 4:55PM0.11m | 4:58AM0.54m | 5:27PM0.07m | 5:38AM0.39m | 5:58PM0.11m | ||||||||
 | |  |  | | | | | | | |  | | | | | | | | | | |
 | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — |
 | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 24 | 25 | 26 | 24 | 26 | 26 | 24 | 26 | 27 | 24 | 26 | 27 | 24 | 27 | 27 | 24 | 27 | 28 | 24 |
Feels °C | 27 | 26 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 28 | 26 | 27 | 28 | 26 | 29 | 28 | 27 | 29 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 13 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 2550 | 2486 | 1911 | 1488 | 3844 | 4959 | 4447 | 4239 | 2961 | 1389 | 1014 | 596 | 1821 | 2136 | 2191 | 1957 | 1516 | 1208 | 2196 | 2146 | 2033 |
Swell 2 Height (m) Direction Period (s) | — | — | ESE 6 | SSW 19 | — | — | — | SSW 19 | — | SW 18 | SSW 17 | SSW 16 | SSE 5 | — | SSW 24 | SW 22 | SSW 21 | SSW 19 | S 5 | SSE 5 | — |
| kJ | — | — | 34 | 1234 | — | — | — | 1559 | — | 895 | 762 | 759 | 13 | — | 54 | 118 | 305 | 590 | 12 | 15 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | ESE 5 | — | — | — | — | — | SSE 4 | — | E 5 | — | — | SSW 24 | — | — | — | — | — | — |
| kJ | — | — | — | 13 | — | — | — | — | — | 12 | — | 7 | — | — | 54 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | E 5 | — | — | — | SSE 4 | — | — | SSE 4 | — | — | — | — | — | — | SSE 4 | — | — | — |
| kJ | — | — | — | 12 | — | — | — | 18 | — | — | 10 | — | — | — | — | — | — | 9 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 180 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Sumbawa | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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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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