Surf Forecasts:
Nungas surf forecast from 17 Jul 2026:
- Best quality surf: Monday 20 Jul, 5AM (local time) - 5ft (1.6m), 15s period, SW swell with offshore winds.
- Most powerful swell: Monday 20 Jul, 5PM (local time) - 7ft (2.1m), 17s period, SW swell with 2,454 kJ wave energy.
- Next surfable swell (1★+): Friday 17 Jul, 8PM (local time) - 4ft (1.2m), 16s 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 Friday (Jul 17) at 8PM. The primary swell is predicted to be 1.2m and 16s period with a secondary swell of 0.9m and 13s. 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 2.1m 17s and forecast to arrive on Monday (Jul 20) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Saturday (Jul 18) at 11PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Fri 17th Jul) | 4ft (1.2m) 16s |
| Best Surf | 5AM (Mon 20th Jul) | 5ft (1.6m) 15s |
| Most Powerful | 5PM (Mon 20th Jul) | 7ft (2.1m) 17s |
Table - best surf conditions forecast for Nungas over the next 16 days.
The Lowdown
Alright, same story, different numbers. Rusty here again.
Nungas starts off a bit slow, but there’s a proper run of swell building. The first few days are marginal, with waves around 4 to 5 feet from the SW and cross-off breezes. The water’s a warm 81° – about a degree and a half above normal for this time of year, so it’s a little warmer than usual. The action starts to fire up on Monday, July 20th. Monday afternoon sees the swell hit 7 feet from the SW with a long 17-second period, and the combined energy is strong at 2517. That’s a solid groundswell. With gentle cross-off winds, it’s going to be clean and powerful. This is for the experienced crew – 7 feet with that period is no beginner’s wave. Tuesday the 21st holds at 6 feet, but the energy drops a bit, and the wind stays cross-off. Not bad, but not the highlight.
The standout is Wednesday, July 29th. Both morning and afternoon deliver 6 feet of SW swell, a long 16-second period, and light ESE to SE winds – glassy, clean conditions. The combined energy is over 1800 (strong). This is the best on offer. The swell is coming straight from the SW, which is exactly what Nungas likes for a reef and point break. It’s going to be well-lined up with plenty of power. Remember, with a long period groundswell like that, the sets will be spaced out but worth the wait. Nungas is fairly consistent but can get crowded sometimes, so grab your spot early. This is expert-level size – 6 feet with that power is only for those who know what they’re doing.
The run into the first week of August keeps the energy up. Thursday the 30th and Friday the 31st of July drop slightly to 4 to 5 feet, but still with 14-19 second periods and light winds, so clean conditions stick around. Saturday the 1st of August pushes back up to 7 feet from the SW, again with strong energy (2191) and gentle breezes. Another solid day for experienced surfers.
There’s a gap in quality surf at the very start – the first few days up to the 19th of July are only marginal, with the odd decent afternoon but nothing to get excited about. After that, from the 20th onwards, it’s a solid run of swell with only a few days of smaller, weaker stuff around the 24th-26th of July. Don’t let that put you off – the build-up through the 28th to the 1st of August is the real deal.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Mon afternoon, min 23°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||
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) | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 15 | SW 17 | SSW 16 | SW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1101 | 653 | 979 | 844 | 821 | 656 | 628 | 618 | 1171 | 2454 | 1956 | 1377 | 1111 | 908 | 590 | 563 | 437 | 553 | 463 | 553 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off |
High Tide | 00:40AM2.72m | 12:36PM2.93m | 1:16AM2.77m | 1:16PM2.72m | 1:52AM2.76m | 1:56PM2.46m | 2:28AM2.68m | 2:36PM2.18m | 3:06AM2.56m | 3:22PM1.91m | 3:48AM2.41m | 4:27PM1.68m | 4:46AM2.27m | |||||||
Low Tide | 6:25PM0.07m | 6:32AM0.57m | 6:59PM0.19m | 7:16AM0.59m | 7:32PM0.36m | 8:00AM0.68m | 8:03PM0.56m | 8:45AM0.80m | 8:33PM0.78m | 9:36AM0.94m | 9:04PM1.00m | 10:39AM1.06m | 9:39PM1.20m | |||||||
 |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — | — | 6:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 24 | 26 | 27 | 24 | 26 | 27 | 25 | 26 | 26 | 24 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 24 |
Feels °C | 29 | 26 | 27 | 28 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 15 | SW 17 | SSW 16 | SW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SW 14 | SSW 14 |
| kJ | 1101 | 653 | 979 | 844 | 821 | 656 | 628 | 618 | 1171 | 2454 | 1956 | 1377 | 1111 | 908 | 590 | 563 | 437 | 553 | 463 | 553 |
Swell 2 Height (m) Direction Period (s) | S 6 | SW 13 | S 6 | E 6 | SSE 7 | ESE 6 | SSE 6 | SSE 6 | SW 18 | E 6 | SSE 5 | S 6 | E 5 | E 6 | SSW 18 | SW 16 | S 6 | E 6 | E 5 | S 7 |
| kJ | 11 | 290 | 28 | 31 | 96 | 70 | 60 | 60 | 727 | 23 | 30 | 33 | 13 | 22 | 120 | 66 | 38 | 23 | 14 | 72 |
Swell 3 Height (m) Direction Period (s) | S 6 | SSE 6 | E 6 | S 6 | — | SW 23 | SW 21 | SSW 19 | ESE 6 | S 6 | ESE 6 | E 5 | S 5 | S 5 | S 5 | E 5 | — | SW 19 | — | SW 18 |
| kJ | 18 | 44 | 31 | 19 | — | 20 | 115 | 475 | 43 | 19 | 12 | 28 | 14 | 19 | 19 | 20 | — | 15 | — | 12 |
Wind waves Height (m) Direction Period (s) | SE 6 | E 6 | ESE 6 | SSE 6 | ESE 6 | — | E 6 | E 6 | — | SSE 6 | — | — | SSE 6 | SE 5 | SE 6 | SSE 5 | SE 6 | SSE 6 | S 7 | E 6 |
| kJ | 52 | 86 | 54 | 42 | 175 | — | 46 | 109 | — | 44 | — | — | 33 | 67 | 69 | 90 | 108 | 40 | 86 | 41 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 173 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 177 | 180 | 173 | 180 | 180 | 173 | 324 | 324 | 147 |
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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