Surf Forecasts:
How big are the waves at Asu today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 5.5ft (1.7m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 5ft (1.6m), 14s period with SSW swell.
- Evening surf: Evening surf (21 Jul, local time) - 5ft (1.5m), 14s period with SSW swell.
The current surf forecast for Asu at 9AM is: 1.7m 15s primary swell from a South-southwest direction and 0.5m 8s secondary swell from a South direction (forecast issued at 06:00am July 21). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 5.5ft (1.7m) | 15s |
| Afternoon (21 Jul) | 5ft (1.6m) | 14s |
| Evening (21 Jul) | 5ft (1.5m) | 14s |
Table - waves today at Asu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Tue night. Warm (max 28°C on Tue afternoon, min 26°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | SSW 12 | SSW 12 | S 9 | S 10 | S 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1393 | 1472 | 1091 | 1076 | 1061 | 886 | 874 | 756 | 714 | 651 | 475 | 547 | 515 | 384 | 356 | 402 | 453 | 439 | 213 | 127 | 133 | 183 | 290 |
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 | off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | off | off | off | cross-off | off | off | off | off | off |
High Tide | 10:24AM0.53m | 11:36PM0.59m | 11:02AM0.44m | 00:40AM0.57m | 11:57AM0.36m | ||||||||||||||||||
Low Tide | 4:31AM0.25m | 4:35PM0.13m | 5:41AM0.29m | 5:09PM0.16m | 7:34AM0.31m | 5:55PM0.18m | |||||||||||||||||
 |  | | |  |  | | |  |  | | | | | | | | | | | | | | |
 | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | 1 | 1 | 1 | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 28 | 31 | 30 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 30 | 29 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | SSW 12 | S 9 | S 9 | S 10 | S 10 |
| kJ | 1393 | 1472 | 1091 | 1076 | 1061 | 886 | 874 | 756 | 714 | 651 | 475 | 547 | 515 | 384 | 356 | 402 | 453 | 439 | 213 | 101 | 133 | 183 | 290 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | S 8 | S 8 | S 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | W 7 | W 7 | WNW 7 | S 7 | S 7 | WNW 7 | WNW 7 | WNW 11 | S 8 | SSW 12 | SSW 12 | SSW 12 | SSW 13 |
| kJ | 35 | 33 | 30 | 29 | 27 | 53 | 51 | 49 | 47 | 41 | 28 | 27 | 17 | 23 | 33 | 9 | 10 | 22 | 92 | 127 | 115 | 85 | 95 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSW 18 | S 7 | SSW 18 | WNW 10 | WNW 7 | WNW 7 | SSW 16 | WNW 11 | WNW 7 | WNW 10 | WNW 10 | SW 16 | SW 16 | SW 16 |
| kJ | 18 | 33 | 32 | 19 | 36 | 25 | 15 | 15 | 15 | 31 | 23 | 31 | 20 | 16 | 16 | 51 | 22 | 10 | 30 | 31 | 63 | 66 | 91 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 126 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Nias | |||||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||||
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