Surf Forecasts:
How big are the waves at Asu today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 7ft (2.2m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 7ft (2.1m), 16s period with SSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 6.5ft (2.0m), 15s period with SSW swell.
The current surf forecast for Asu at 3AM is: 2.2m 16s primary swell from a Southwest direction and 0.5m 7s secondary swell from a West-southwest direction (forecast issued at 12:00am September 20). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 7ft (2.2m) | 16s |
| Afternoon (20 Sep) | 7ft (2.1m) | 16s |
| Evening (20 Sep) | 6.5ft (2.0m) | 15s |
Table - waves today at Asu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Warm (max 29°C on Mon afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | 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 | 2438 | 2349 | 2389 | 2178 | 2151 | 2151 | 2049 | 1716 | 1467 | 1111 | 1175 | 1175 | 955 | 919 | 969 | 969 | 643 | 414 | 421 | 414 | 446 | 597 | 651 | 954 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-off | cross | glassy | glassy |
High Tide | 11:49PM0.50m | 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 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 29 | 29 | 31 | 30 | 31 | 31 | 32 | 31 | 32 | 30 | 31 | 32 | 32 | 33 | 32 | 33 | 32 | 32 | 32 | 32 | 31 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | 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 | 2438 | 2349 | 2389 | 2178 | 2151 | 2151 | 2049 | 1716 | 1467 | 1111 | 1175 | 1175 | 955 | 919 | 969 | 969 | 643 | 414 | 421 | 414 | 402 | 290 | 522 | 954 |
Swell 2 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WNW 7 | WNW 7 | WNW 7 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 15 | SSW 14 | S 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SSW 19 | SSW 18 | SSW 18 | SSW 12 |
| kJ | 30 | 19 | 19 | 18 | 9 | 9 | 4 | 269 | 344 | 381 | 288 | 350 | 371 | 171 | 243 | 128 | 246 | 352 | 257 | 253 | 446 | 597 | 651 | 413 |
Swell 3 Height (m) Direction Period (s) | W 18 | W 18 | W 18 | W 13 | W 13 | W 16 | WSW 17 | WNW 7 | WNW 8 | S 6 | WNW 8 | WNW 8 | WNW 9 | NW 8 | NW 8 | NW 8 | WNW 8 | SSW 19 | SSW 18 | SSW 19 | SW 13 | SW 13 | SSW 12 | SSW 12 |
| kJ | 6 | 26 | 6 | 3 | 3 | 5 | 28 | 4 | 7 | 22 | 14 | 14 | 15 | 18 | 18 | 17 | 13 | 140 | 228 | 231 | 205 | 241 | 29 | 29 |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 25 | 25 | 34 | 27 | 26 | 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 76 | 126 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 126 | 0 | 0 |
Best forecast wave conditions in Nias | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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