Surf Forecasts:
How big are the waves at Asu today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 5ft (1.6m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 5ft (1.5m), 14s period with SW swell.
- Evening surf: Evening surf (21 Jun, local time) - 5ft (1.5m), 14s period with SW swell.
The current surf forecast for Asu at 4AM is: 1.6m 15s primary swell from a Southwest direction and 0.6m 10s secondary swell from a South direction, 0.5m 4s secondary swell from a West direction (forecast issued at 12:00am June 21). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 5ft (1.6m) | 14s |
| Afternoon (21 Jun) | 5ft (1.5m) | 14s |
| Evening (21 Jun) | 5ft (1.5m) | 14s |
Table - waves today at Asu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 93mm), heaviest during Sun morning. Warm (max 28°C on Sat night, min 24°C on Sun morning). Mainly fresh winds. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||||||||||
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 | 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 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SSW 16 | SSW 15 | SW 15 | SW 15 | SW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1140 | 1124 | 1124 | 1031 | 1031 | 915 | 902 | 877 | 934 | 681 | 828 | 681 | 907 | 907 | 907 | 893 | 893 | 1208 | 1112 | 1028 | 918 | 930 | 918 | 829 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | cross-on | on | cross-on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 10:32PM0.51m | 10:31AM0.65m | 11:35PM0.54m | 11:21AM0.57m | 00:42AM0.56m | 12:19PM0.49m | ||||||||||||||||||
Low Tide | 3:57AM0.21m | 5:10PM0.14m | 5:11AM0.27m | 5:54PM0.16m | 6:45AM0.30m | 6:41PM0.17m | ||||||||||||||||||
 | |  |  | | | |  | | | | | | | | | |  | | |  | | | | |
 | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | 6 | 8 | 8 | 10 | 12 | 4 | 1 | — | — | 1 | 1 | 2 | 1 | 4 | 7 | 4 | 4 | 6 | 7 | 3 | — | 1 | 1 | — |
Temp °C | 27 | 27 | 26 | 25 | 24 | 25 | 26 | 27 | 27 | 28 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 28 |
Feels °C | 28 | 29 | 28 | 27 | 23 | 23 | 24 | 26 | 26 | 28 | 27 | 26 | 27 | 28 | 29 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SSW 16 | SSW 15 | SW 15 | SW 15 | SW 15 | SSW 15 |
| kJ | 1140 | 1124 | 1124 | 1031 | 1031 | 915 | 902 | 877 | 934 | 681 | 828 | 681 | 907 | 907 | 907 | 893 | 893 | 1208 | 1112 | 1028 | 918 | 930 | 918 | 829 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | W 7 | W 7 | W 7 | W 7 | WNW 7 | W 7 | W 7 | W 7 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | WNW 10 | WNW 11 |
| kJ | 50 | 73 | 73 | 73 | 50 | 50 | 50 | 49 | 31 | 152 | 106 | 83 | 81 | 65 | 47 | 45 | 44 | 16 | 15 | 15 | 15 | 7 | 21 | 22 |
Swell 3 Height (m) Direction Period (s) | S 10 | W 8 | W 8 | W 15 | SSW 18 | SSW 18 | W 15 | W 15 | W 15 | SSW 16 | SW 16 | SSW 17 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | W 11 | W 11 | W 12 | WNW 12 | WNW 12 | SSE 8 | SSE 8 |
| kJ | 65 | 32 | 29 | 4 | 61 | 120 | 4 | 4 | 4 | 334 | 125 | 351 | 31 | 31 | 29 | 17 | 16 | 9 | 9 | 10 | 14 | 27 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | — | W 4 | W 6 | W 7 | W 8 | W 8 | W 8 | W 8 | W 7 | — | — | WNW 7 | WNW 7 | — | — | — | — | W 7 | W 5 | W 5 | W 5 | WNW 4 | W 5 | WNW 5 |
| kJ | — | 10 | 61 | 230 | 432 | 428 | 355 | 287 | 212 | — | — | 111 | 111 | — | — | — | — | 56 | 33 | 32 | 25 | 24 | 36 | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 64 | 64 | 64 | 64 | 64 | 372 | 76 | 64 | 64 | 64 | 64 | 15 | 64 | 64 | 15 | 64 | 64 | 15 | 64 | 64 | 15 | 64 | 64 | 64 |
Best forecast wave conditions in Nias | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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