Surf Forecasts:
Bawa surf forecast from 25 Jul 2026:
- Best quality surf: Friday 31 Jul, 10AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 1 Aug, 1PM (local time) - 5ft (1.5m), 17s period, SSW swell with 1,383 kJ wave energy.
- Next surfable swell (1★+): Monday 27 Jul, 10AM (local time) - 3.5ft (1.1m), 10s period with SSE 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 Monday (Jul 27) at 10AM. The primary swell is predicted to be 1.1m and 10s period with a secondary swell of 0.6m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Bawa in the next 16 days are 1.5m 17s and forecast to arrive on Saturday (Aug 01) at 1PM. 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+) | 10AM (Mon 27th Jul) | 3.5ft (1.1m) 10s |
| Best Surf | 10AM (Fri 31st Jul) | 4.5ft (1.3m) 17s |
| Most Powerful | 1PM (Sat 1st Aug) | 5ft (1.5m) 17s |
Table - best surf conditions forecast for Bawa over the next 16 days.
The Lowdown
Alright folks, Rusty here, and I’m looking at the forecast for Bawa over the next couple of weeks. This is a well-exposed reef and point setup that is very consistent and handles a SW swell best, and with this run of forecasts, there are some absolute crackers for the experienced crew.
The first couple of days are a bit average—Sunday and Monday have some sloppy, cross-onshore conditions and minimal energy, so best to sit those out. The good stuff starts to turn on from Tuesday morning the 28th of July. That morning looks clean with glassy conditions and some long-period SSW groundswell pushing in, giving us a nice 3ft wave (energy 563). It’s not huge, but that glass makes it fun. From Thursday the 30th, things really start to fire up for experienced surfers.
The standout sessions are Friday the 31st of July morning, and Saturday the 1st of August morning. Friday morning we’ve got 4ft of clean, glassy SSW swell with a period of 17 seconds – that’s proper groundswell with heaps of energy (1268). Saturday morning is even better: 5ft, again glassy, with a 17-second period and energy hitting 1335. For this break, that long-period swell will wrap in beautifully on the reef and point, offering well-shaped lines and long waits between sets. These are your best bets—just keep in mind that it’s an advanced wave and crowds are sometimes an issue here.
Into the second week of August, we’ve got more swell coming in but with a caveat. Monday the 3rd and Wednesday the 5th both have excellent clean conditions with strong SSW swell (5-5ft, energy over 1000), but the real monster is Saturday the 8th of August morning—4ft with a 19-second period and a massive energy reading of 1738—and Sunday the 9th pushes 7ft (energy 2243). That Sunday, though, the wind turns cross-onshore so it won’t be as clean. For the experts only: Monday the 10th of August is cranking 8ft SSW with 19-second period and energy over 5000, but it’s a bit onshore, so more of a challenge than a classic.
Overall, don’t bother with the first weekend, but from Tuesday the 28th onwards there’s plenty for the experienced surfer, and the mornings of the 31st July and 1st August are the real standouts.
Rusty.
Short Range ForecastModerate rain (total 12mm), heaviest on Sun night. Warm (max 28°C on Sun afternoon, min 26°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Thu night. Warm (max 28°C on Wed afternoon, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | |||||||||||||||
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) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | S 10 | SSW 16 | SW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 20 | SW 19 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SW 17 | SSW 17 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 402 | 335 | 276 | 250 | 231 | 196 | 318 | 232 | 283 | 339 | 330 | 364 | 546 | 812 | 826 | 998 | 709 | 853 | 1207 | 1352 | 1031 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | glassy | on | cross-on | glassy | glassy | glassy | glassy | cross-on | cross | glassy | on | cross-on | glassy | cross | off | glassy | on | glassy |
High Tide | 4:05AM0.63m | 4:31PM0.34m | 4:51AM0.67m | 5:16PM0.38m | 5:30AM0.71m | 5:52PM0.43m | 6:04AM0.76m | 6:25PM0.47m | 6:35AM0.79m | 6:56PM0.52m | 7:04AM0.80m | 7:27PM0.57m | 7:32AM0.80m | 7:58PM0.61m | |||||||
Low Tide | 11:28AM0.18m | 9:37PM0.17m | 11:55AM0.14m | 10:29PM0.14m | 12:20PM0.11m | 11:12PM0.11m | 12:45PM0.09m | 11:50PM0.09m | 1:09PM0.07m | 00:26AM0.09m | 1:33PM0.06m | 1:01AM0.09m | 1:58PM0.06m | 1:37AM0.11m | |||||||
 |  |  | | |  |  | |  | | | | | | | | | | | | | |
 | 6:31 | — | — | 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 | 1 | — | 5 | — | — | 2 | — | — | — | — | — | — | — | — | 4 | — | 1 | 3 | — | — | — |
Temp °C | 27 | 28 | 27 | 27 | 28 | 27 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 31 | 29 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 32 | 32 | 32 | 32 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SW 17 | SSW 17 | SW 16 |
| kJ | 402 | 335 | 276 | 250 | 231 | 196 | 177 | 163 | 176 | 339 | 330 | 352 | 323 | 812 | 826 | 998 | 709 | 853 | 1207 | 1352 | 1031 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 16 | SW 15 | SSW 15 | SSE 10 | SSE 10 | SSE 9 | SW 19 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 12 | WNW 10 | WNW 9 | S 11 |
| kJ | 215 | 189 | 197 | 134 | 134 | 132 | 318 | 232 | 283 | 123 | 96 | 84 | 546 | 222 | 273 | 189 | 195 | 180 | 72 | 73 | 108 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 9 | SSW 17 | SSW 17 | SSW 16 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 22 | SSW 20 | S 8 | WNW 10 | S 8 | WNW 10 | WNW 9 | WNW 8 | SSW 12 | S 7 | WNW 8 |
| kJ | 20 | 18 | 8 | 108 | 200 | 169 | 68 | 68 | 64 | 30 | 181 | 364 | 51 | 85 | 45 | 81 | 73 | 54 | 56 | 27 | 37 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 15 | 15 | 15 | 0 | 15 | 15 | 0 | 0 | 0 | 0 | 37 | 15 | 0 | 15 | 15 | 0 | 37 | 0 | 0 | 15 | 0 |
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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