Surf Forecasts:
How big are the waves at Asu today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 5ft (1.6m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 5.5ft (1.7m), 16s period with SSW swell.
- Evening surf: Evening surf (17 Sep, local time) - 4.5ft (1.4m), 14s period with SSW swell.
The current surf forecast for Asu at 6PM is: 1.5m 14s primary swell from a South-southwest direction and 0.9m 16s secondary swell from a South-southwest direction (forecast issued at 12:00pm September 17). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 5ft (1.6m) | 14s |
| Afternoon (17 Sep) | 5.5ft (1.7m) | 16s |
| Evening (17 Sep) | 4.5ft (1.4m) | 14s |
Table - waves today at Asu. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Sat night. Warm (max 28°C on Thu morning, min 26°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||||
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 |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 942 | 1441 | 1441 | 814 | 700 | 1479 | 1339 | 1112 | 1083 | 846 | 857 | 796 | 691 | 774 | 672 | 663 | 1007 | 2138 | 2406 | 2323 | 2433 |
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 | glassy | glassy | glassy | cross | cross | cross | cross | cross-off | cross-off | off | off | off | cross-off | off | off |
High Tide | 9:36PM0.61m | 9:03AM0.37m | 10:24PM0.55m | 9:03AM0.32m | |||||||||||||||||
Low Tide | 2:35PM0.09m | 3:56AM0.23m | 2:59PM0.13m | 5:04AM0.28m | 3:25PM0.18m | ||||||||||||||||
 |  | |  |  | | | | | | | | | |  |  |  | | | | | |
 | 6:22 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 |
Feels °C | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 30 | 31 | 30 | 30 | 29 | 28 | 28 | 28 | 30 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 |
| kJ | 942 | 1441 | 1441 | 814 | 700 | 1479 | 1339 | 1112 | 1083 | 846 | 857 | 796 | 691 | 774 | 672 | 663 | 1007 | 2138 | 2406 | 2323 | 2433 |
Swell 2 Height (m) Direction Period (s) | SW 17 | W 9 | W 9 | SSW 16 | SSW 16 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | SW 18 | SW 18 | SW 18 | SSW 13 | W 8 | W 15 | W 8 | W 14 |
| kJ | 487 | 79 | 78 | 458 | 452 | 50 | 49 | 66 | 68 | 66 | 64 | 63 | 46 | 266 | 465 | 540 | 465 | 42 | 4 | 29 | 4 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 14 | W 14 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | SW 20 | SW 20 | SW 19 | W 8 | W 8 | W 8 | W 8 | W 15 | W 19 | — | W 14 |
| kJ | 106 | 4 | 4 | 27 | 20 | 21 | 14 | 9 | 9 | 9 | 136 | 134 | 231 | 45 | 44 | 43 | 42 | 4 | 7 | — | 4 |
Wind waves Height (m) Direction Period (s) | S 5 | S 5 | S 5 | — | — | — | — | — | — | — | — | S 7 | SSE 6 | S 7 | SSE 7 | SSE 7 | SSE 7 | S 6 | WSW 8 | WSW 8 | SW 7 |
| kJ | 45 | 43 | 34 | — | — | — | — | — | — | — | — | 23 | 8 | 24 | 15 | 9 | 9 | 21 | 50 | 50 | 44 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 126 | 126 | 126 | 0 | 0 | 0 | 0 | 0 | 0 | 76 | 126 | 126 | 64 | 0 | 0 | 0 | 0 | 0 | 126 | 0 | 0 |
Best forecast wave conditions in Nias | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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