Surf Forecasts:
How big are the waves at Asu today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 8ft (2.5m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 10ft (3.0m), 18s period with SSW swell.
- Evening surf: Evening surf (19 Aug, local time) - 10ft (3.0m), 17s period with SSW swell.
The current surf forecast for Asu at 7AM is: 2.5m 19s primary swell from a South-southwest direction and 0.5m 8s secondary swell from a West direction (forecast issued at 12:00am August 19). The wind direction is predicted to be glassy and the swell rating is 5.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 8ft (2.5m) | 18s |
| Afternoon (19 Aug) | 10ft (3.0m) | 18s |
| Evening (19 Aug) | 10ft (3.0m) | 17s |
Table - waves today at Asu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 40mm), heaviest during Wed night. Warm (max 28°C on Tue night, min 24°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
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) | SSW 17 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2403 | 4813 | 4663 | 4148 | 4504 | 5043 | 4987 | 5349 | 5058 | 4652 | 4436 | 3929 | 3834 | 3421 | 3152 | 2936 | 2583 | 2518 | 2300 | 2325 | 2116 | 2144 | 1883 | 1743 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | glassy | glassy | cross | cross | cross | cross | on | cross-on | cross-on | cross-on | cross-off | glassy | glassy | glassy | glassy | cross | cross-off | glassy | glassy | glassy | glassy |
High Tide | 9:29AM0.49m | 10:31PM0.60m | 9:51AM0.40m | 11:27PM0.55m | 10:00AM0.33m | |||||||||||||||||||
Low Tide | 3:50AM0.21m | 3:28PM0.10m | 4:40AM0.26m | 3:54PM0.14m | 6:09AM0.30m | 4:29PM0.18m | ||||||||||||||||||
 | |  | | |  |  | | | |  | | |  |  | | | | | | | | | | |
 | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | 3 | 4 | 2 | 2 | 1 | — | — | 1 | 2 | 5 | 7 | 5 | 6 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 25 | 24 | 24 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 |
Feels °C | 32 | 31 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 28 | 26 | 25 | 27 | 29 | 30 | 31 | 32 | 29 | 29 | 31 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 16 |
| kJ | 2403 | 4813 | 4663 | 4148 | 4504 | 5043 | 4987 | 5349 | 5058 | 4652 | 4436 | 3929 | 3834 | 3421 | 3152 | 2936 | 2583 | 2518 | 2300 | 2325 | 2116 | 2144 | 1883 | 1743 |
Swell 2 Height (m) Direction Period (s) | SW 20 | W 8 | W 8 | W 8 | W 8 | W 8 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 10 | WNW 7 | WNW 9 | W 9 | W 9 | W 8 | W 8 | W 8 | SSW 20 | SSW 20 | SSW 18 | SSW 18 |
| kJ | 1976 | 30 | 29 | 28 | 28 | 30 | 36 | 34 | 33 | 32 | 30 | 57 | 18 | 29 | 29 | 42 | 39 | 36 | 32 | 30 | 399 | 507 | 724 | 861 |
Swell 3 Height (m) Direction Period (s) | W 8 | W 8 | S 8 | WSW 20 | WSW 20 | WSW 20 | WSW 19 | — | — | — | — | WSW 18 | WSW 18 | WNW 10 | WSW 18 | WSW 17 | WSW 17 | SSW 22 | SSW 21 | W 16 | WNW 7 | WNW 7 | W 9 | W 9 |
| kJ | 32 | 30 | 34 | 77 | 75 | 75 | 37 | — | — | — | — | 61 | 61 | 18 | 60 | 59 | 57 | 91 | 90 | 5 | 18 | 18 | 42 | 40 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | WNW 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 21 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 64 | 64 | 64 | 64 | 51 | 15 | 15 | 15 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Nias | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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