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Surf Forecasts:
Asu surfForecast / Nias / Indonesia
48hr Weather and Surf, issued 12 am Saturday 23 May 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 normal for this time of year)How big are the waves at Asu today?
The current surf forecast for Asu at 5AM is: 1.3m 15s primary swell from a Southwest direction and 0.8m 8s secondary swell from a West-northwest direction (forecast issued at 12:00am May 23). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 4.5ft (1.3m) | 14s |
| Afternoon (23 May) | 4ft (1.2m) | 14s |
| Evening (23 May) | 4ft (1.2m) | 14s |
Table - waves today at Asu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Sun morning. Warm (max 29°C on Fri night, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SSW 12 | W 9 | W 9 | W 9 | SW 16 | SW 16 | |
714 | 753 | 763 | 630 | 548 | 548 | 564 | 581 | 573 | 485 | 418 | 406 | 400 | 394 | 394 | 394 | 336 | 301 | 187 | 184 | 186 | 215 | 251 | 371 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross-on | on | cross-on | cross-on | |
High Tide | 10:53PM0.41m | 11:05AM0.65m | 00:20AM0.44m | 12:15PM0.59m | 1:42AM0.50m | 1:27PM0.54m | ||||||||||||||||||
Low Tide | 3:57AM0.21m | 6:17PM0.17m | 5:34AM0.28m | 7:20PM0.18m | 7:34AM0.30m | 8:11PM0.17m | ||||||||||||||||||
 |  |  |  | | | |  |  | |  |  | | | | | | | | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — |
1 | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 1 | 1 | 3 | 1 | — | — | — | — | — | — | — | |
Temp °C | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 |
32 | 30 | 30 | 30 | 29 | 30 | 31 | 31 | 30 | 30 | 29 | 31 | 30 | 30 | 29 | 28 | 29 | 28 | 28 | 29 | 30 | 28 | 28 | 29 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | WNW 8 | W 8 | W 8 | W 8 | W 9 | W 9 | W 9 | W 8 | W 8 |
 kJ | 714 | 753 | 763 | 630 | 548 | 548 | 564 | 581 | 573 | 485 | 418 | 406 | 400 | 394 | 394 | 154 | 147 | 147 | 147 | 181 | 186 | 215 | 177 | 177 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 9 | SW 13 | SW 13 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 16 | SW 16 |
| kJ | 83 | 83 | 83 | 87 | 90 | 70 | 70 | 94 | 94 | 94 | 96 | 101 | 131 | 134 | 158 | 394 | 336 | 301 | 187 | 184 | 180 | 180 | 251 | 371 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 12 | S 12 | W 14 | S 8 | SSW 18 | SW 18 | SW 18 | SW 15 | SW 15 | SW 15 | SW 16 | SW 12 | SW 12 |
| kJ | 40 | 39 | 38 | 36 | 23 | 23 | 22 | 22 | 22 | 22 | 12 | 3 | 3 | 4 | 5 | 31 | 49 | 49 | 54 | 139 | 183 | 198 | 144 | 149 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WNW 3 | WNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 15 | 15 | 15 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 15 | 15 | 15 | 15 | 15 | 15 | 64 | 15 | 15 |
Best forecast wave conditions in Nias | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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