Surf Forecasts:
How big are the waves at Asu today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 4.5ft (1.3m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 4.5ft (1.3m), 14s period with SW swell.
- Evening surf: Evening surf (18 Jul, local time) - 4ft (1.2m), 14s period with SW swell.
The current surf forecast for Asu at 2AM is: 1.3m 15s primary swell from a Southwest direction and 0.6m 8s secondary swell from a West direction (forecast issued at 06:00pm July 17). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 4.5ft (1.3m) | 14s |
| Afternoon (18 Jul) | 4.5ft (1.3m) | 14s |
| Evening (18 Jul) | 4ft (1.2m) | 14s |
Table - waves today at Asu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Fri afternoon. Warm (max 28°C on Fri afternoon, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | |||||||||||||||||
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) | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SSW 18 |
Wave Graph  | |||||||||||||||||||
 kJ | 724 | 695 | 784 | 784 | 685 | 667 | 667 | 667 | 658 | 589 | 581 | 548 | 532 | 479 | 472 | 465 | 458 | 388 | 388 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-off | cross | cross | cross | cross-on | cross-on | glassy | cross-on | cross-off | cross-off |
High Tide | 8:25PM0.58m | 8:35AM0.80m | 9:09PM0.60m | 9:12AM0.72m | 9:54PM0.61m | ||||||||||||||
Low Tide | 2:31PM0.02m | 2:01AM0.08m | 3:04PM0.05m | 2:48AM0.13m | 3:35PM0.08m | ||||||||||||||
 |  | | |  | | | | | |  | | |  | |  | |  | | |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | 6 | 5 | 4 | 2 | — | 1 | 5 | 4 | 3 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 28 | 28 |
Feels °C | 31 | 31 | 31 | 31 | 30 | 31 | 30 | 30 | 30 | 29 | 28 | 25 | 27 | 26 | 29 | 30 | 30 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 |
| kJ | 724 | 695 | 784 | 784 | 685 | 667 | 667 | 667 | 658 | 589 | 581 | 548 | 532 | 479 | 472 | 465 | 458 | 388 | 388 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSW 18 |
| kJ | 48 | 48 | 48 | 48 | 46 | 31 | 30 | 29 | 29 | 29 | 19 | 22 | 33 | 33 | 33 | 33 | 33 | 33 | 368 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | S 8 | S 8 | SSE 8 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | SSW 17 | S 8 |
| kJ | 39 | 34 | 35 | 21 | 21 | 20 | 19 | 19 | 29 | 29 | 29 | 21 | 21 | 18 | 18 | 17 | 17 | 100 | 32 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 64 | 64 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 0 | 51 | 51 | 15 | 15 | 15 | 0 | 126 | 0 | 0 |
Best forecast wave conditions in Nias | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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