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Surf Forecasts:
Asu surfForecast / Nias / Indonesia
48hr Weather and Surf, issued 12 pm Monday 20 Apr 2026 WIBForecast update in hr min s Forecast update imminent
Asu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Asu sea temperature is
30.1° C
(Which is slightly warmer than usual)How big are the waves at Asu today?
The current surf forecast for Asu at 5PM is: 0.7m 15s primary swell from a South-southwest direction and 0.7m 12s secondary swell from a Southwest direction (forecast issued at 12:00pm April 20). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 3ft (0.9m) | 13s |
| Afternoon (20 Apr) | 2.5ft (0.7m) | 16s |
| Evening (20 Apr) | 2.5ft (0.7m) | 15s |
Table - waves today at Asu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 20 | 12 | 18 | 18 | 18 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 264 | 257 | 204 | 220 | 220 | 272 | 372 | 362 | 307 | 286 | 282 | 277 | 336 | 307 | 136 | 205 | 198 | 395 | 304 | 333 | 662 | 790 | 582 | 522 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | glass | glass | glass | on | on | on | on | glass | glass | cross |
High Tide / height (m) | 7:54PM 0.51 | 8:23AM 0.83 | 8:37PM 0.44 | 9:11AM 0.77 | 9:28PM 0.38 | |||||||||||||||||||
Low Tide / height (m) | 2:12PM 0.02 | 1:30AM -0.00 | 3:02PM 0.07 | 2:06AM 0.04 | 4:01PM 0.13 | 2:46AM 0.10 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 |
| Sunset | - | - | 6:34 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - |
 | | |  |  |  | |  | | | |  | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | 5 | 7 | 5 | 3 | 1 | 1 | 1 | - | - | - | - | - | - | 4 | 6 | 1 | 2 | 1 | 3 | - |
| Temp. °C | 28 | 29 | 29 | 29 | 29 | 28 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 |
| Feels °C (?) | 34 | 33 | 32 | 32 | 32 | 31 | 28 | 28 | 26 | 25 | 26 | 26 | 27 | 30 | 32 | 32 | 33 | 31 | 30 | 31 | 32 | 33 | 32 | 32 |
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