Surf Forecasts:
Bawa surf forecast from 4 Aug 2026:
- Best quality surf: Saturday 8 Aug, 7AM (local time) - 8ft (2.4m), 16s period, SSW swell with offshore winds.
- Most powerful swell: Friday 7 Aug, 10PM (local time) - 8ft (2.4m), 17s period, SSW swell with 3,353 kJ wave energy.
- Next surfable swell (1★+): Tuesday 4 Aug, 4PM (local time) - 5.5ft (1.7m), 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 Tuesday (Aug 04) at 4PM. The primary swell is predicted to be 1.7m and 16s period with a secondary swell of 2.3m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Bawa in the next 16 days are 2.4m 17s and forecast to arrive on Friday (Aug 07) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Wednesday (Aug 05) at 1PM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Tue 4th Aug) | 5.5ft (1.7m) 16s |
| Best Surf | 7AM (Sat 8th Aug) | 8ft (2.4m) 16s |
| Most Powerful | 10PM (Fri 7th Aug) | 8ft (2.4m) 17s |
Table - best surf conditions forecast for Bawa over the next 16 days.
The Lowdown
Alright, let’s talk Bawa. It’s a reef and point setup, totally exposed to the southwest, and that’s where the juice is coming from. The water is about 86°F at the start, which is a hair warmer than average, but nothing crazy.
First real surf is Tuesday, August 4th. Morning has a 8ft west swell, wind is cross-off at 12 mph, it’s okay. But the afternoon is the move: 6ft, long-period SSW groundswell at 16 seconds, energy is pumping, wind drops to 6 mph, still cross-off. Clean.
Wednesday, the 5th, is a wash: 5ft swell, 15 seconds, but wind is 12 mph cross-off. It’s rideable, but meh.
Thursday, the 6th, is a standout. Morning gives you 7ft SSW, 17 seconds, and the wind is offshore from the NNW at 16 mph. That’s a proper, clean, powerful wave. Energy is massive (2947). Expert only, but it’s the best of the first week.
Friday, the 7th, stays big—7ft to 8ft, but wind is cross-off all day. Still powerful, but not as clean.
Saturday, the 8th, same story: 8ft, cross-off wind.
Sunday, the 9th, is a gem. Swell drops to 7ft, but the wind goes glassy—just 3 mph. That’s clean, smooth, with a 15-second period. This is a top pick.
Monday, the 10th, drops to 6ft, with light wind, but it’s cross or onshore.
Second week gets messy. Tuesday, the 11th, has a 6ft to 7ft S swell with an 18-second period, but the wind is onshore at 9 mph, so it’s big and choppy.
From Wednesday, the 12th, to Saturday, the 15th, the swell drops from 7ft down to 4ft, and the wind is cross-on or onshore. Not your friend.
Sunday, the 16th, is a bounce-back: 6ft SSW, 16 seconds, and glassy wind in the morning. Clean, solid. That’s the second week’s best.
Monday, the 17th, is small and glassy—5ft to 4ft, 14 seconds. Clean but small.
Tuesday, the 18th, drops to 3ft to 3ft, cross-on wind. Not much.
Then Wednesday, the 19th, is the big finish. Morning: 7ft SSW, 17 seconds, glassy wind, energy at 4342. That’s a monster. The afternoon goes to 8ft with 17 seconds and 4911 energy, but the wind goes cross. The morning is the session of the whole run.
Top picks: Thursday morning, the 6th, for the offshore, expert-level power. Sunday morning, the 9th, for the glassy, clean, 7ft wave. And Wednesday morning, the 19th, for the biggest, cleanest groundswell of the entire forecast. Circle that one.
Bawa is a reef and point, so those long-period swells will wrap in nicely. It’s very consistent, so you’ll get waves. Expect a few others out there.
Rusty.
Short Range ForecastHeavy rain (total 99mm), heaviest during Tue morning. Warm (max 27°C on Tue afternoon, min 24°C on Tue morning). Winds increasing (light winds from the WNW on Tue afternoon, fresh winds from the WNW by Wed afternoon). | Days 4-6 Weather SummaryHeavy rain (total 29mm), heaviest during Fri night. Warm (max 28°C on Fri afternoon, min 26°C on Fri morning). Winds decreasing (fresh winds from the NW on Fri afternoon, calm by Sun night). | ||||||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | |||||||||||||||
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) | W 10 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 19 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | S 20 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1193 | 1375 | 1324 | 1067 | 1110 | 1171 | 2523 | 2214 | 2054 | 2318 | 3237 | 3048 | 2642 | 2368 | 2001 | 1728 | 1665 | 1367 | 1257 | 1206 | 1916 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross | glassy | cross | on | cross-on |
High Tide | 9:47PM0.66m | 9:32AM0.59m | 10:35PM0.65m | 10:13AM0.50m | 11:37PM0.64m | 11:12AM0.41m | 1:00AM0.64m | 12:58PM0.34m | 2:31AM0.67m | 3:03PM0.34m | 3:46AM0.73m | 4:22PM0.39m | |||||||||
Low Tide | 3:15PM0.06m | 3:41AM0.20m | 3:47PM0.08m | 4:40AM0.24m | 4:25PM0.10m | 6:08AM0.27m | 5:17PM0.13m | 8:27AM0.26m | 6:37PM0.16m | 10:08AM0.19m | 8:19PM0.16m | 11:03AM0.12m | 9:42PM0.12m | ||||||||
 | |  | |  | | | | | | | | | | | |  | | |  |  | |
 | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — |
 | — | 6:40 | — | — | 6:40 | — | — | 6:40 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — |
mm | 45 | 5 | 13 | 2 | 10 | 11 | 3 | 5 | 5 | 2 | 3 | 10 | 4 | 3 | 3 | 1 | — | 3 | 3 | — | — |
Temp °C | 25 | 27 | 27 | 27 | 26 | 27 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 |
Feels °C | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 27 | 28 | 29 | 30 | 29 | 32 | 32 | 31 | 33 | 30 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | SSW 15 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | S 20 |
| kJ | 1193 | 1055 | 802 | 469 | 1110 | 752 | 2523 | 2214 | 2054 | 2318 | 3237 | 3048 | 2642 | 2368 | 2001 | 1728 | 1665 | 1367 | 1257 | 1206 | 1916 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 20 | SSW 19 | W 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | S 21 | S 13 |
| kJ | 751 | 1375 | 1324 | 1067 | 459 | 1171 | 402 | 311 | 254 | 202 | 193 | 169 | 177 | 193 | 197 | 188 | 188 | 151 | 158 | 727 | 824 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSE 7 | SSE 7 | SSW 22 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | S 20 | WSW 17 | WSW 17 | W 16 | W 15 | W 15 | W 14 | W 14 | W 16 | SSW 26 | SW 24 | WNW 9 | WNW 8 |
| kJ | 362 | 10 | 5 | 181 | 24 | 23 | 22 | 22 | 377 | 30 | 29 | 5 | 5 | 4 | 4 | 4 | 5 | 65 | 271 | 113 | 82 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | W 9 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 541 | 601 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 63 | 0 | 50 | 50 | 50 | 63 | 0 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 0 | 0 | 37 | 0 | 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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