Surf Forecasts:
Bawa surf forecast from 16 Jul 2026:
- Best quality surf: Monday 20 Jul, 1AM (local time) - 3.5ft (1.0m), 18s period, S swell with glassy winds.
- Most powerful swell: Monday 20 Jul, 10AM (local time) - 5.5ft (1.7m), 17s period, SSW swell with 1,733 kJ wave energy.
- Next surfable swell (1★+): Friday 17 Jul, 7AM (local time) - 4.5ft (1.4m), 16s period with SW swell.
Best Forecast Surf Conditions for Bawa this week:
The surf forecast for Bawa over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 17) at 7AM. The primary swell is predicted to be 1.4m and 16s period with a secondary swell of 0.6m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Bawa in the next 16 days are 1.7m 17s and forecast to arrive on Monday (Jul 20) at 10AM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Fri 17th Jul) | 4.5ft (1.4m) 16s |
| Best Surf | 1AM (Mon 20th Jul) | 3.5ft (1.0m) 18s |
| Most Powerful | 10AM (Mon 20th Jul) | 5.5ft (1.7m) 17s |
Table - best surf conditions forecast for Bawa over the next 16 days.
The Lowdown
Alright, Rusty here, let’s break this down.
The first real chance to get wet is around Thursday, 16th July, but the wind is a bit off, so it’s not until the next morning that things look proper. The standout window is definitely the morning of Monday, 20th July, with a solid 6ft swell from the SSW, a 17-second period, and glassy wind. The energy is a thumping 1791, so this is serious stuff for experienced surfers only. The water is a warm 86°, which is about average for this time of year.
The spot is Bawa, a reef and point break that’s very consistent. It’s exposed to the SSW swell, which is exactly what it likes. It’s an advanced break, so know your limits. The Sunday morning before that, 19th July, is also a gem with glassy conditions and a 4ft SSW swell, but the energy is lower at 526. It’s a nice gentle start before the main event.
After the Monday peak, Tuesday morning, 21st July, is still firing with 6ft swell and glassy wind, though the energy drops to 1267. The weekend of 25th and 26th July offers some clean, smaller waves with good offshore winds, but nothing too big. The real long-range monster is the morning of Friday, 31st July, with a 7ft SW swell and a 21-second period. The energy is a massive 4806 – that’s a very long-period groundswell. It’s going to be a beast, but it’s over a week away, so stay tuned. Winds are clean, and it’s a reef and point, so it could handle that long period better than a beach break.
There’s a bit of a lull around 23rd and 24th July when the wind turns onshore and the quality drops, but it doesn’t last long. Plenty of good waves if you pick the right time.
Rusty.
Short Range ForecastHeavy rain (total 31mm), heaviest during Fri morning. Warm (max 28°C on Thu afternoon, min 26°C on Sat morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Mon night. Warm (max 28°C on Sun afternoon, min 26°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||
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 15 | SW 15 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 13 | SW 13 | S 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 730 | 795 | 883 | 714 | 695 | 667 | 597 | 540 | 472 | 394 | 683 | 1733 | 1693 | 1571 | 1220 | 1016 | 746 | 468 | 461 | 280 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | cross | cross-off | off | cross-off | cross-off | glassy | cross-on | glassy | glassy | cross-on | on | glassy | cross-on | cross-on | off | glassy | cross-on |
High Tide | 7:40PM0.56m | 7:54AM0.88m | 8:24PM0.60m | 8:34AM0.82m | 9:08PM0.62m | 9:11AM0.74m | 9:53PM0.63m | 9:47AM0.64m | 10:42PM0.62m | 10:23AM0.54m | 11:35PM0.61m | 11:02AM0.45m | 00:39AM0.59m | |||||||
Low Tide | 1:13AM0.04m | 2:30PM0.03m | 2:00AM0.08m | 3:02PM0.05m | 2:47AM0.14m | 3:33PM0.08m | 3:36AM0.20m | 4:03PM0.11m | 4:31AM0.26m | 4:34PM0.14m | 5:40AM0.30m | 5:08PM0.16m | ||||||||
 |  |  | |  | | |  | | |  | |  | | | |  | | | | |
 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 6:40 | — | — | 6:40 | — | — | 6:40 | — | — | 6:40 | — | — | 6:40 | — | — | 6:40 | — | — | 6:40 | — |
mm | — | 2 | 8 | 5 | 10 | 4 | 2 | — | — | 2 | — | — | — | 4 | 1 | — | — | — | — | 3 |
Temp °C | 28 | 28 | 27 | 28 | 28 | 27 | 26 | 26 | 27 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 33 | 31 | 31 | 31 | 30 | 30 | 27 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 32 | 32 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SW 15 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 13 | SW 13 | SW 13 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 730 | 795 | 883 | 714 | 695 | 667 | 597 | 540 | 472 | 394 | 388 | 1733 | 1693 | 1571 | 1220 | 1016 | 746 | 468 | 461 | 280 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SSE 8 | S 7 | SSE 8 | S 8 | S 8 | S 18 | WNW 7 | S 6 | WNW 8 | W 8 | WNW 7 | S 7 | S 7 | WNW 8 | S 7 |
| kJ | 59 | 54 | 51 | 53 | 51 | 44 | 40 | 35 | 33 | 33 | 683 | 31 | 21 | 36 | 29 | 18 | 24 | 61 | 23 | 59 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | SSE 8 | S 8 | S 8 | S 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | S 7 | S 7 | WNW 7 | SSE 7 | SSE 7 | SSE 7 | WNW 8 | WNW 8 | WNW 10 | WNW 8 |
| kJ | 11 | 11 | 51 | 50 | 32 | 47 | 33 | 32 | 21 | 17 | 26 | 27 | 31 | 17 | 18 | 18 | 37 | 33 | 20 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 7 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 62 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 138 | 37 | 0 | 50 | 0 | 0 | 0 | 37 | 0 | 15 | 0 | 0 | 138 | 15 | 0 | 63 | 15 | 0 | 0 | 15 |
Best forecast wave conditions in Nias | ||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||
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Information about the Bawa Surf forecast
The above surf forecast table for Bawa provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Bawa can be found by selecting the local surf guide option on the grey menu. Our Bawa 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 (Bawa) 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 Bawa 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 Nias? If you are looking for accommodation near Bawa, camping, hotels and holiday cottages in Nias, consider staying in Afia which is 67 km (42 miles) away.
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