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Surf Forecasts:
Asu surfForecast / Nias / Indonesia
48hr Weather and Surf, issued 6 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 1AM is: 1.0m 14s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a South direction (forecast issued at 06:00pm April 18). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Apr) | 3.5ft (1.1m) | 13s |
| Afternoon (19 Apr) | 3.5ft (1.0m) | 13s |
| Evening (19 Apr) | 3ft (0.9m) | 13s |
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 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 16 | 13 | 16 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 272 | 275 | 264 | 425 | 407 | 460 | 362 | 299 | 346 | 286 | 286 | 286 | 268 | 264 | 264 | 253 | 201 | 220 | 275 | 272 | 372 | 362 | 347 | 286 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | cross | cross- off | glass | cross | cross | cross | glass | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | on | cross- on | on | on |
High Tide / height (m) | 6:36PM 0.62 | 7:00AM 0.88 | 7:14PM 0.57 | 7:40AM 0.87 | 7:54PM 0.51 | 8:23AM 0.83 | ||||||||||||||||||
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) | - | - | 1 | 5 | 3 | 2 | - | - | - | - | - | 2 | 4 | 2 | - | - | 6 | 4 | 2 | - | 9 | 5 | 1 | - |
| Temp. °C | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 27 | 27 | 28 | 27 | 25 | 26 | 26 |
| Feels °C (?) | 31 | 31 | 32 | 31 | 30 | 30 | 30 | 31 | 32 | 31 | 32 | 33 | 31 | 29 | 31 | 30 | 29 | 28 | 29 | 32 | 28 | 26 | 27 | 27 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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