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Surf Forecasts:
Asu surfForecast / Nias / Indonesia
48hr Weather and Surf, issued 12 am Thursday 04 Sep 2025 WIB
How big are the waves at Asu today?
The current surf forecast for Asu at 4AM is: 0.8m 13s primary swell from a South-southwest direction and 0.7m 9s secondary swell from a West-northwest direction (forecast issued at 12:00am September 04). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 2.5ft (0.7m) | 13s |
| Afternoon (04 Sep) | 2.5ft (0.8m) | 13s |
| Evening (04 Sep) | 2.5ft (0.7m) | 13s |
Table - waves today at Asu. (Swell directed towards the surf break)
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 486 | 450 | 359 | 314 | 310 | 353 | 378 | 394 | 321 | 634 | 768 | 1022 | 922 | 1028 | 1053 | 1030 | 1043 | 1100 | 1157 | 1141 | 987 | 922 | 892 | 872 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | on | cross- on | on | on | on | on | on | on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on |
High Tide / height (m) | 3:45AM 0.60 | 4:30PM 0.37 | 4:28AM 0.68 | 5:02PM 0.46 | 5:04AM 0.75 | 5:33PM 0.54 | ||||||||||||||||||
Low Tide / height (m) | 8:13PM 0.23 | 11:00AM 0.16 | 9:34PM 0.19 | 11:19AM 0.11 | 10:25PM 0.14 | 11:41AM 0.07 | ||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - |
 | | |  | | | | | | | | |  |  | |  |  | | |  | |  | | | |
Rain (mm) | 3 | 4 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 5 | 3 | - | 2 | 1 | - | - | - | - | - | - | - | 2 |
| Temp. °C | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 27 | 28 | 28 | 28 | 28 | 28 |
| Feels °C (?) | 29 | 29 | 28 | 29 | 28 | 28 | 27 | 29 | 29 | 30 | 26 | 27 | 27 | 28 | 27 | 26 | 27 | 24 | 26 | 28 | 29 | 29 | 29 | 30 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Nias
Continuing clean conditions at Asu (calm at Minangkabau Airport 386 km from Asu). 0.9m 13s groundswell from the SW with a 0.7m 7s swell from the W and a 0.7m 11s groundswell from the SSW. 3 swells combining to make bigger set waves.
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