Surf Forecasts:
Bawa surf forecast from 14 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 1AM (local time) - 8ft (2.5m), 19s period, SSW swell with glassy winds.
- Most powerful swell: Wednesday 19 Aug, 4PM (local time) - 10ft (3.0m), 18s period, SSW swell with 5,037 kJ wave energy.
- Next surfable swell (1★+): Sunday 16 Aug, 10AM (local time) - 4.5ft (1.4m), 14s period with S 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 Sunday (Aug 16) at 10AM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 0.9m and 15s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Bawa in the next 16 days are 3.0m 18s and forecast to arrive on Wednesday (Aug 19) at 4PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sun 16th Aug) | 4.5ft (1.4m) 14s |
| Best Surf | 1AM (Wed 19th Aug) | 8ft (2.5m) 19s |
| Most Powerful | 4PM (Wed 19th Aug) | 10ft (3.0m) 18s |
Table - best surf conditions forecast for Bawa over the next 16 days.
The Lowdown
Alright, surfers, this is Rusty checking in on the forecast. Let’s break it down.
We start off on Saturday, August 15th, with some S swell around 5 ft, but it’s cross-onshore and a bit messy. Not really worth a dawn patrol.
Sunday, August 16th, is your first real look. Glassy conditions in the morning with a clean 5 ft S swell, period around 14 seconds. The water temp is about normal for this time of year. This is a solid window for Bawa – it can get a little crowded sometimes, but that morning glass will make it worth it. The long period gives plenty of push.
Monday the 17th is small and choppy – skip it.
From Tuesday the 18th through the week, the swell builds from the SSW, reaching 5 ft to 8 ft, with a very long period of 17-19 seconds. The combined energy is moderate to strong. Wind is mostly cross-onshore or onshore, so conditions are a bit lumpy. The bigger stuff (over 8 ft) is really for experts only. The very long period will make it break a bit straight on the beach, but Bawa’s reef and point setup should handle it well.
The 22nd and 23rd see a drop in size, but still nothing too clean.
There’s a quiet spell from the 24th to the 27th, with swell dropping to 3 ft or less and poor conditions. A bit of a lull.
Then, the standout: Sunday, August 28th. Glassy morning again, with a clean 4 ft SW swell and a very long 18-second period. Combined energy is moderate. The forecast says “excellent surf conditions for experienced surfers.” That’s the one to circle. The glass will make it absolutely perfect.
After that, the 29th brings more size (8 ft) but with cross-onshore wind, so not as clean.
Bottom line: Sunday the 16th early, and that Sunday the 28th glassy morning are your best bets. Get in the water.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Sun afternoon, min 25°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 17mm), heaviest on Wed night. Warm (max 28°C on Mon night, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||
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) | S 14 | S 14 | S 13 | S 14 | S 14 | SW 14 | SW 14 | SW 14 | SSW 18 | SSW 17 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1026 | 956 | 577 | 700 | 697 | 305 | 305 | 301 | 721 | 1238 | 3477 | 4720 | 4228 | 5037 | 4757 | 3934 | 3543 | 2479 | 1997 | 1758 | 1292 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | glassy | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | glassy | cross-on | on | cross-on | cross-on | on | cross | cross-on | on | cross-on |
High Tide | 7:30AM0.84m | 7:57PM0.70m | 8:04AM0.77m | 8:33PM0.72m | 8:35AM0.68m | 9:10PM0.70m | 9:04AM0.59m | 9:48PM0.67m | 9:29AM0.50m | 10:30PM0.62m | 9:51AM0.41m | 11:26PM0.56m | 10:03AM0.34m | 00:55AM0.53m | |||||||
Low Tide | 1:49PM0.02m | 1:48AM0.07m | 2:15PM0.03m | 2:28AM0.11m | 2:39PM0.05m | 3:07AM0.17m | 3:03PM0.08m | 3:49AM0.22m | 3:27PM0.11m | 4:39AM0.27m | 3:54PM0.14m | 6:06AM0.31m | 4:29PM0.18m | ||||||||
 | |  |  | | |  | |  | |  | | | |  | | | | | | | |
 | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:28 | — | — |
 | — | 6:38 | — | — | 6:38 | — | — | 6:38 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | 3 | 1 | 9 | 1 | — | 2 | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 |
Feels °C | 30 | 29 | 29 | 31 | 31 | 30 | 30 | 30 | 32 | 31 | 31 | 32 | 30 | 31 | 30 | 30 | 29 | 30 | 30 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | S 14 | S 14 | SW 14 | SW 14 | SSE 12 | SSW 18 | SSW 17 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 1026 | 956 | 577 | 700 | 697 | 305 | 305 | 224 | 721 | 1238 | 3477 | 4720 | 4228 | 5037 | 4757 | 3934 | 3543 | 2479 | 1997 | 1758 | 1292 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 15 | SW 15 | SW 15 | S 10 | SSE 10 | SW 14 | SW 13 | SSW 21 | WNW 8 | W 8 | S 6 | W 9 | W 8 | WSW 8 | W 9 | S 5 | S 6 | S 20 | S 18 |
| kJ | 405 | 334 | 326 | 335 | 218 | 117 | 154 | 301 | 212 | 1176 | 53 | 46 | 31 | 53 | 47 | 47 | 63 | 19 | 22 | 279 | 899 |
Swell 3 Height (m) Direction Period (s) | S 18 | S 18 | S 18 | WNW 8 | WNW 9 | S 13 | WNW 8 | WNW 8 | S 11 | SSW 13 | WSW 22 | S 9 | W 8 | WSW 20 | — | WSW 18 | WNW 10 | W 9 | W 9 | WNW 9 | WNW 8 |
| kJ | 242 | 161 | 219 | 38 | 59 | 160 | 35 | 38 | 143 | 312 | 47 | 56 | 29 | 75 | — | 61 | 18 | 38 | 41 | 45 | 40 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSE 4 | — | — | — | — | — | — | — | — | SSE 5 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | 40 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 15 | 15 | 15 | 0 | 138 | 15 | 15 | 148 | 15 | 15 | 15 | 0 | 15 | 15 | 15 | 15 | 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.
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