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Surf Forecasts:
Asu surfForecast / Nias / Indonesia
48hr Weather and Surf, issued 12 pm Monday 25 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
30.2° C
(Which is slightly warmer than usual)How big are the waves at Asu today?
The current surf forecast for Asu at 3PM is: 0.6m 16s primary swell from a Southwest direction and 0.9m 9s secondary swell from a West-northwest direction, 0.7m 12s secondary swell from a Southwest direction (forecast issued at 12:00pm May 25). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 2.5ft (0.8m) | 12s |
| Afternoon (25 May) | 2ft (0.6m) | 16s |
| Evening (25 May) | 3ft (0.9m) | 16s |
Table - waves today at Asu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 29°C on Tue afternoon, min 27°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 12 | SSW 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 17 | SW 17 | SW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | SSW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 17 | SW 17 | SW 16 | SW 16 | |
184 | 183 | 251 | 251 | 367 | 610 | 1000 | 1036 | 988 | 1057 | 1155 | 1224 | 1322 | 1288 | 1088 | 1045 | 1031 | 1016 | 1002 | 890 | 2212 | 2425 | 2311 | 2173 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | cross-on | on | on | glassy | glassy | |
High Tide | 1:27PM0.54m | 2:45AM0.57m | 2:33PM0.51m | 3:33AM0.64m | 3:29PM0.49m | 4:12AM0.69m | ||||||||||||||||||
Low Tide | 8:11PM0.17m | 9:04AM0.27m | 8:52PM0.16m | 10:06AM0.23m | 9:27PM0.14m | |||||||||||||||||||
 | |  |  |  |  | | | |  |  | | | | | | | | | | | | | | |
 | 6:22 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | 6:32 |
— | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 |
32 | 31 | 31 | 31 | 32 | 29 | 29 | 30 | 32 | 30 | 31 | 32 | 31 | 31 | 32 | 31 | 31 | 31 | 30 | 31 | 32 | 32 | 32 | 32 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 8 | WNW 8 | SW 16 | SW 16 | SW 17 | SW 17 | SW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | SSW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 17 | SW 17 | SW 16 | SW 16 |
 kJ | 123 | 123 | 120 | 96 | 367 | 610 | 1000 | 1036 | 988 | 1057 | 1155 | 1224 | 1322 | 1288 | 1088 | 1045 | 1031 | 1016 | 1002 | 890 | 2212 | 2425 | 2311 | 2173 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SW 12 | SW 16 | 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 8 | SW 19 | SW 18 | SW 18 | WNW 8 | WNW 8 | WNW 8 | W 8 |
| kJ | 184 | 180 | 144 | 251 | 96 | 94 | 92 | 72 | 70 | 70 | 70 | 70 | 70 | 68 | 68 | 68 | 68 | 432 | 657 | 718 | 68 | 51 | 50 | 45 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 16 | SW 12 | SW 12 | SW 12 | S 9 | SSE 9 | SW 11 | SSE 9 | S 24 | SSE 9 | SSE 8 | SSE 9 | SW 21 | SW 20 | SW 20 | WNW 8 | WNW 8 | WNW 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 178 | 183 | 251 | 144 | 149 | 144 | 25 | 26 | 57 | 26 | 11 | 26 | 14 | 15 | 112 | 194 | 241 | 68 | 70 | 68 | 14 | 14 | 14 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 15 | 15 | 15 | 64 | 64 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Best forecast wave conditions in Nias | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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