Surf Forecasts:
How big are the waves at Asu today (21 Sep):
- Afternoon surf: Afternoon surf (21 Sep, local time) - 7ft (2.1m), 16s period with SSW swell.
- Evening surf: Evening surf (21 Sep, local time) - 6.5ft (2.0m), 15s period with SSW swell.
The current surf forecast for Asu at 12AM is: 1.8m 15s primary swell from a South-southwest direction and 0.8m 16s secondary swell from a South-southwest direction (forecast issued at 06:00pm September 20). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | - | - |
| Afternoon (21 Sep) | 7ft (2.1m) | 16s |
| Evening (21 Sep) | 6.5ft (2.0m) | 15s |
Table - waves today at Asu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue afternoon. Warm (max 29°C on Mon afternoon, min 27°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | S 13 | S 13 | S 13 | SSW 19 | SSW 18 | SSW 18 | SSW 18 |
Wave Graph  | |||||||||||||||||||
 kJ | 2151 | 2049 | 1716 | 1467 | 1159 | 1175 | 1175 | 1002 | 919 | 862 | 969 | 643 | 414 | 421 | 414 | 441 | 591 | 651 | 954 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross | cross | cross-off | cross-off | glassy | glassy | glassy | off | cross-off | glassy | off | off |
High Tide | 2:00AM0.50m | 3:40PM0.31m | 3:17AM0.56m | 4:14PM0.39m | |||||||||||||||
Low Tide | 4:12PM0.24m | 10:26AM0.22m | 7:47PM0.27m | 10:34AM0.18m | 9:20PM0.24m | ||||||||||||||
 |  | | |  | | |  | | | |  | |  | | |  | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 31 | 32 | 32 | 31 | 31 | 31 | 32 | 33 | 33 | 33 | 32 | 32 | 33 | 32 | 32 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | S 13 | S 13 | S 13 | S 13 | S 12 | SSW 13 | SSW 18 |
| kJ | 2151 | 2049 | 1716 | 1467 | 1159 | 1175 | 1175 | 1002 | 919 | 862 | 969 | 643 | 414 | 421 | 414 | 402 | 299 | 522 | 954 |
Swell 2 Height (m) Direction Period (s) | WNW 7 | WNW 7 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SW 14 | SW 15 | SSW 14 | S 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SSW 19 | SSW 18 | SSW 18 | SSW 12 |
| kJ | 9 | 4 | 269 | 344 | 381 | 288 | 350 | 407 | 171 | 243 | 128 | 246 | 352 | 295 | 253 | 441 | 591 | 651 | 392 |
Swell 3 Height (m) Direction Period (s) | W 16 | WSW 17 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | SW 19 | SSW 18 | SSW 19 | SW 13 | SW 13 | SSW 12 | SSW 12 |
| kJ | 5 | 28 | 4 | 7 | 14 | 14 | 14 | 14 | 18 | 18 | 17 | 17 | 126 | 228 | 231 | 205 | 241 | 29 | 29 |
Wind waves Height (m) Direction Period (s) | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 126 | 0 | 0 | 0 | 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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