
Surf Forecasts:
Bawa surf forecast from 9 Sep 2026:
- Best quality surf: Saturday 12 Sep, 7PM (local time) - 6.5ft (2.0m), 19s period, SW swell with glassy winds.
- Most powerful swell: Sunday 13 Sep, 1AM (local time) - 8ft (2.4m), 18s period, SW swell with 3,618 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 1PM (local time) - 5ft (1.5m), 16s period with SSW 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 Thursday (Sep 10) at 1PM. The primary swell is predicted to be 1.5m and 16s period with a secondary swell of 1.2m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Bawa in the next 16 days are 2.4m 18s and forecast to arrive on Sunday (Sep 13) at 1AM. 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+) | 1PM (Thu 10th Sep) | 5ft (1.5m) 16s |
| Best Surf | 7PM (Sat 12th Sep) | 6.5ft (2.0m) 19s |
| Most Powerful | 1AM (Sun 13th Sep) | 8ft (2.4m) 18s |
Table - best surf conditions forecast for Bawa over the next 16 days.
The Lowdown
Alright folks, Rusty here. We’ve got a solid 16-day window looking at Bawa, a reef and point setup that’s exposed to the swell. This is a very consistent spot, so we’ll be watching it closely.
The first few days are a bit of a write-off, I’m not gonna lie. Thursday the 10th through Saturday the 12th are looking marginal. The wind is a mess, mostly onshore or cross-on, and the surf is just struggling. We’ve got a lot of energy in the water, but the conditions are just not cooperating. It’s a frustrating start.
Things start to get interesting on Sunday the 13th. The swell is still pumping from the SW at 8ft, and the energy is strong. But the real story is the wind. We’re looking at a light offshore breeze from the NNW. That’s going to clean everything right up. This is for experienced surfers only, as it’s pushing 8ft with a long 17-second period. That long period means the waves will have serious grunt and shape, perfect for a point reef like this. It’s a standout.
We get a bit of a mixed bag early next week, with Monday and Tuesday seeing some onshore wind, but Tuesday morning the 15th is a special moment. The wind drops to nothing, glassy conditions, with a clean 6ft SSW swell. That’s a rare, clean window.
The real highlight, though, is shaping up for the weekend. Saturday the 20th and Sunday the 21st are looking fantastic. Saturday morning the 20th, we’ve got a clean 8ft SSW swell with a light offshore wind from the N. That’s powerful, clean, and lined up. Sunday the 21st continues with a 8ft swell and clean cross-offshore winds. This is the best run of the whole forecast. It’s a long-range call, so the details might shift, but the potential is huge.
The last few days of the month, from the 22nd to the 24th, the swell backs off a touch, but we still have clean conditions. The 22nd sees a 3ft SW groundswell with a very long 19-second period. That’s a sneaky, high-quality session for the more experienced crew. The 23rd and 25th also offer clean or glassy conditions with solid SW groundswells.
So, to sum it up: the first few days are a miss. The real action is on Sunday the 13th, and the absolute standout is the weekend of the 20th and 21st. Don’t sleep on Tuesday the 15th for a glassy morning either. The crowd at Bawa is listed as "sometimes", so it’s definitely possible you’ll have company, especially on those standout days.
Stay stoked.
Rusty.
Short Range ForecastHeavy rain (total 47mm), heaviest during Wed night. Warm (max 28°C on Wed night, min 24°C on Sat afternoon). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 34mm), heaviest during Sun morning. Warm (max 28°C on Tue morning, min 25°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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 17 | SSW 16 | SSW 16 | SSW 15 | SW 21 | SW 20 | SW 19 | SW 18 | SW 17 | SW 17 | SW 16 | SW 15 | SW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph | |||||||||||||||||||||
1094 | 1235 | 1305 | 1273 | 1028 | 1473 | 979 | 2921 | 3618 | 2981 | 2664 | 2054 | 1685 | 1171 | 1856 | 1550 | 1297 | 1142 | 1057 | 1072 | 1130 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | on | cross | on | cross | glassy | off | off | glassy | cross-on | on | cross-on | glassy | on | cross-on | cross-on | on | on |
High Tide | 5:17AM0.81m | 5:45PM0.64m | 5:55AM0.82m | 6:19PM0.72m | 6:30AM0.79m | 6:52PM0.77m | 7:02AM0.75m | 7:25PM0.79m | 7:32AM0.68m | 7:56PM0.78m | 8:00AM0.60m | 8:28PM0.74m | 8:25AM0.53m | 9:00PM0.69m | |||||||
Low Tide | 11:50AM0.04m | 11:36PM0.06m | 12:16PM0.02m | 00:17AM0.04m | 12:40PM0.01m | 00:54AM0.04m | 1:04PM0.01m | 1:30AM0.06m | 1:26PM0.02m | 2:04AM0.09m | 1:49PM0.04m | 2:38AM0.13m | 2:11PM0.06m | 3:14AM0.18m | |||||||
6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | |
— | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:29 | — | — | 6:29 | — | |
mm | 1 | 1 | 7 | 7 | 1 | 13 | 2 | 3 | 6 | 10 | 6 | 8 | — | — | — | 1 | 3 | 12 | 3 | 2 | 13 |
Temp °C | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 |
Feels °C | 32 | 31 | 31 | 31 | 30 | 29 | 29 | 29 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 32 | 31 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SW 15 | SW 15 | SW 19 | SW 18 | SW 17 | SW 17 | SW 16 | SW 15 | SW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
1094 | 1235 | 1305 | 1273 | 1028 | 869 | 869 | 2921 | 3618 | 2981 | 2664 | 2054 | 1685 | 1171 | 1856 | 1550 | 1297 | 1142 | 1057 | 1072 | 1130 | |
Swell 2 Height (m) Direction Period (s) | S 11 | S 10 | S 11 | S 10 | SSE 10 | SW 21 | SW 20 | SW 14 | S 9 | S 9 | S 9 | S 8 | WSW 16 | SSW 16 | SSE 7 | S 7 | WNW 11 | WNW 10 | W 9 | W 9 | SW 18 |
332 | 290 | 286 | 212 | 250 | 1473 | 979 | 606 | 79 | 57 | 56 | 48 | 52 | 604 | 48 | 44 | 22 | 31 | 40 | 39 | 255 | |
Swell 3 Height (m) Direction Period (s) | WNW 11 | WNW 10 | WNW 10 | SW 24 | SW 24 | SSE 10 | SSE 9 | S 9 | S 9 | W 19 | WSW 18 | WSW 18 | WNW 7 | SSE 7 | WSW 16 | WSW 15 | W 15 | SSW 21 | SW 20 | SW 19 | W 8 |
11 | 10 | 9 | 347 | 195 | 154 | 126 | 99 | 59 | 116 | 102 | 60 | 5 | 63 | 49 | 22 | 17 | 45 | 100 | 184 | 34 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SSE 7 | — | — | — | SSE 7 | S 6 | SSE 6 | S 5 | S 6 |
— | — | — | — | — | — | — | — | — | — | — | — | 64 | — | — | — | 67 | 49 | 52 | 45 | 61 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 0 | 0 | 0 | 0 | 15 | 15 | 15 | 0 | 15 | 15 | 15 | 15 | 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.










