Surf Forecasts:
How big are the waves at Asu today (13 Aug):
- Afternoon surf: Afternoon surf (13 Aug, local time) - 5ft (1.5m), 14s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 5.5ft (1.7m), 18s period with S swell.
The current surf forecast for Asu at 9PM is: 1.7m 18s primary swell from a South direction and 0.5m 15s secondary swell from a Southwest direction, 0.6m 11s secondary swell from a West direction (forecast issued at 06:00pm August 13). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | - | - |
| Afternoon (13 Aug) | 5ft (1.5m) | 14s |
| Evening (13 Aug) | 5.5ft (1.7m) | 18s |
Table - waves today at Asu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 87mm), heaviest during Fri morning. Warm (max 28°C on Sat afternoon, min 23°C on Fri morning). Wind will be generally light. | |||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||
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 |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | S 14 | S 18 | S 18 | S 17 | S 17 | S 17 | SSW 17 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 791 | 1243 | 2403 | 1120 | 1555 | 1328 | 1708 | 1381 | 1289 | 1257 | 1551 | 1434 | 1212 | 1208 | 1030 | 894 | 757 | 704 | 577 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-on | on | off | cross-off | cross | glassy | cross | cross-on | cross-on | cross | cross-off | glassy |
High Tide | 6:42PM0.60m | 6:55AM0.86m | 7:21PM0.65m | 7:31AM0.82m | 7:58PM0.69m | ||||||||||||||
Low Tide | 00:24AM0.03m | 1:23PM0.00m | 1:07AM0.04m | 1:50PM0.01m | |||||||||||||||
 |  | | | |  | | |  |  |  | | |  | | | | |  | |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | 1 | 2 | 5 | 4 | 4 | 10 | 31 | 23 | 5 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 26 | 25 | 23 | 24 | 24 | 24 | 26 | 25 | 26 | 27 | 27 | 27 | 28 | 28 | 28 |
Feels °C | 32 | 31 | 31 | 30 | 30 | 29 | 27 | 25 | 27 | 27 | 26 | 24 | 30 | 30 | 30 | 29 | 30 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 18 | S 18 | S 17 | S 17 | S 17 | SSW 17 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 |
| kJ | 791 | 1243 | 2403 | 1120 | 1555 | 1328 | 1708 | 1381 | 1289 | 1257 | 1551 | 1434 | 1212 | 1208 | 1030 | 894 | 757 | 704 | 577 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 12 | SW 15 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SW 16 | SW 16 | SW 16 | SW 16 | SW 17 | SSW 17 | SSW 17 | SW 15 | SSW 16 |
| kJ | 677 | 447 | 107 | 449 | 411 | 467 | 394 | 323 | 272 | 229 | 239 | 248 | 242 | 245 | 410 | 622 | 622 | 284 | 425 |
Swell 3 Height (m) Direction Period (s) | WNW 7 | W 10 | WNW 7 | SW 15 | SW 15 | SW 15 | WNW 11 | SW 15 | SW 15 | SW 15 | SW 20 | SSW 20 | SSW 20 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | S 18 | S 17 |
| kJ | 11 | 34 | 10 | 137 | 137 | 188 | 42 | 137 | 77 | 107 | 99 | 149 | 151 | 31 | 29 | 28 | 26 | 165 | 137 |
Wind waves Height (m) Direction Period (s) | — | — | W 11 | — | S 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 85 | — | 40 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 64 | 15 | 0 | 51 | 51 | 0 | 15 | 15 | 15 | 64 | 0 | 0 |
Best forecast wave conditions in Nias | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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