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Surf Forecasts:
Asu surfForecast / Nias / Indonesia
48hr Weather and Surf, issued 12 pm Saturday 18 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
30.2° C
(Which is slightly warmer than usual)How big are the waves at Asu today?
The current surf forecast for Asu at 8PM is: 0.8m 15s primary swell from a South-southwest direction and 0.8m 12s secondary swell from a South-southwest direction (forecast issued at 12:00pm April 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 3ft (0.9m) | 12s |
| Afternoon (18 Apr) | 2.5ft (0.8m) | 15s |
| Evening (18 Apr) | 2.5ft (0.8m) | 14s |
Table - waves today at Asu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 16 | 13 | 16 | 13 | 15 | 15 | 15 | 15 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 193 | 191 | 272 | 275 | 264 | 425 | 407 | 460 | 362 | 299 | 346 | 286 | 286 | 286 | 268 | 264 | 264 | 257 | 201 | 220 | 220 | 272 | 372 | 362 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | glass | glass | cross- on | cross- on | cross | cross- on | on | cross- on | cross- on | on | on | on | on | on | cross- on | cross |
High Tide / height (m) | 6:36PM 0.62 | 7:00AM 0.88 | 7:14PM 0.57 | 7:40AM 0.87 | 7:54PM 0.51 | |||||||||||||||||||
Low Tide / height (m) | 12:24AM -0.03 | 1:27PM -0.00 | 12:56AM -0.03 | 2:12PM 0.02 | 1:30AM -0.00 | |||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:24 |
| Sunset | - | - | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - |
 | | |  | |  | |  |  | | |  | |  | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | 4 | 5 | 1 | - | - | - | - | 1 | 6 | 7 | 4 | 1 | 4 | 3 | 3 | - | - | 1 | 1 |
| Temp. °C | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 25 | 25 | 26 | 27 | 27 | 26 |
| Feels °C (?) | 31 | 32 | 32 | 31 | 32 | 32 | 32 | 31 | 31 | 33 | 33 | 33 | 32 | 31 | 31 | 30 | 31 | 30 | 27 | 27 | 28 | 29 | 29 | 28 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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