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Surf Forecasts:
Bawa surfForecast / Nias / Indonesia
48hr Weather and Surf, issued 12 am Monday 18 May 2026 WIBForecast update in hr min s Forecast update imminent
Bawa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bawa sea temperature is
30.5° C
(Which is slightly warmer than usual)How big are the waves at Bawa today?
The current surf forecast for Bawa at 5AM is: 0.8m 13s primary swell from a South direction and 0.9m 9s secondary swell from a West direction (forecast issued at 12:00am May 18). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 2.5ft (0.8m) | 17s |
| Afternoon (18 May) | 3ft (0.9m) | 15s |
| Evening (18 May) | 4ft (1.2m) | 15s |
Table - waves today at Bawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 26mm), heaviest during Mon night. Warm (max 29°C on Mon afternoon, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 14 | S 13 | S 16 | S 17 | S 17 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | |
248 | 219 | 258 | 358 | 831 | 357 | 435 | 640 | 614 | 581 | 561 | 549 | 518 | 492 | 567 | 574 | 581 | 498 | 498 | 560 | 619 | 603 | 595 | 572 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | glassy | off | off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 6:42AM0.92m | 7:02PM0.50m | 7:27AM0.90m | 7:49PM0.47m | 8:15AM0.87m | 8:40PM0.44m | ||||||||||||||||||
Low Tide | 11:53PM-0.01m | 1:24PM0.00m | 00:33AM-0.01m | 2:13PM0.02m | 1:15AM0.02m | 3:05PM0.06m | ||||||||||||||||||
 | |  | |  | | |  | | |  | | | | | | | | | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
— | — | — | — | 2 | 3 | — | 2 | 4 | 1 | — | 1 | — | 1 | 1 | 3 | 2 | 2 | 1 | 1 | 1 | — | 1 | — | |
Temp °C | 28 | 28 | 27 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 |
32 | 32 | 31 | 33 | 31 | 32 | 32 | 32 | 31 | 31 | 31 | 32 | 31 | 31 | 31 | 30 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 8 | W 8 | S 17 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | SW 16 | SW 16 | SW 15 | SW 15 |
 kJ | 153 | 150 | 116 | 113 | 831 | 357 | 435 | 640 | 614 | 581 | 561 | 549 | 518 | 492 | 477 | 470 | 463 | 441 | 413 | 336 | 619 | 603 | 595 | 572 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 17 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 9 | S 9 | S 9 | S 9 |
| kJ | 229 | 219 | 219 | 358 | 111 | 111 | 90 | 90 | 90 | 437 | 304 | 362 | 318 | 361 | 567 | 574 | 581 | 498 | 498 | 560 | 106 | 103 | 103 | 101 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | S 16 | S 13 | SW 20 | S 11 | S 11 | SW 18 | SW 18 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 7 | S 12 | S 12 | S 12 | S 12 |
| kJ | 248 | 167 | 258 | 215 | 239 | 93 | 91 | 199 | 375 | 68 | 68 | 67 | 63 | 62 | 60 | 44 | 44 | 43 | 43 | 30 | 178 | 136 | 136 | 134 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 50 | 0 | 0 | 0 | 0 | 0 | 50 | 50 | 50 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Nias | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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