Surf Forecasts:
How big are the waves at Asu today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 7ft (2.1m), 15s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 6.5ft (2.0m), 16s period with SSW swell.
The current surf forecast for Asu at 11PM is: 2.1m 16s primary swell from a South-southwest direction and 1.2m 18s secondary swell from a South-southwest direction (forecast issued at 06:00pm August 21). The wind direction is predicted to be offshore and the swell rating is 5.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 7ft (2.1m) | 15s |
| Evening (21 Aug) | 6.5ft (2.0m) | 16s |
Table - waves today at Asu. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sat night. Warm (max 28°C on Fri afternoon, min 26°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||
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) | SSW 15 | SSW 15 | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 2144 | 1883 | 1908 | 3102 | 2653 | 2588 | 2588 | 2325 | 2130 | 1993 | 1776 | 1690 | 1690 | 1517 | 1355 | 1249 | 1059 | 1043 | 919 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | off |
High Tide | 00:57AM0.52m | 12:03PM0.27m | 2:43AM0.53m | 3:37PM0.29m | |||||||||||||||
Low Tide | 4:29PM0.18m | 11:38AM0.27m | 5:37PM0.22m | 11:05AM0.22m | 8:06PM0.23m | ||||||||||||||
 |  | | | |  | |  | | | |  | | | | | | |  | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 3 | 3 | 1 | 1 | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 29 | 30 | 30 | 31 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 |
| kJ | 2144 | 1883 | 1908 | 3102 | 2653 | 2588 | 2588 | 2325 | 2130 | 1993 | 1776 | 1690 | 1690 | 1517 | 1355 | 1249 | 1059 | 1043 | 919 |
Swell 2 Height (m) Direction Period (s) | SSW 20 | SSW 18 | SSW 18 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | SSW 21 | SSW 21 | SSW 21 | SSW 20 | SSW 19 | SSW 19 |
| kJ | 507 | 724 | 861 | 25 | 24 | 23 | 23 | 25 | 26 | 25 | 23 | 22 | 21 | 359 | 359 | 339 | 544 | 716 | 644 |
Swell 3 Height (m) Direction Period (s) | W 7 | W 7 | W 9 | W 16 | W 16 | — | W 15 | W 15 | S 26 | S 24 | SSW 24 | SSW 24 | SSW 23 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | SSW 16 | WNW 8 |
| kJ | 17 | 17 | 41 | 20 | 19 | — | 5 | 4 | 13 | 11 | 54 | 108 | 105 | 20 | 11 | 12 | 26 | 85 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 126 | 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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