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Surf Forecasts:
Asu surfForecast / Nias / Indonesia
48hr Weather and Surf, issued 12 pm Tuesday 19 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
30.3° C
(Which is slightly warmer than usual)How big are the waves at Asu today?
The current surf forecast for Asu at 6PM is: 0.9m 16s primary swell from a Southwest direction and 1.1m 13s secondary swell from a South direction (forecast issued at 12:00pm May 19). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 3.5ft (1.1m) | 14s |
| Afternoon (19 May) | 3.5ft (1.1m) | 13s |
| Evening (19 May) | 3.5ft (1.1m) | 16s |
Table - waves today at Asu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Wed night. Warm (max 29°C on Tue morning, min 28°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 14 | S 14 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 15 | SW 15 | |
462 | 442 | 432 | 567 | 574 | 574 | 574 | 432 | 560 | 546 | 603 | 674 | 657 | 640 | 631 | 631 | 550 | 614 | 614 | 614 | 666 | 773 | 753 | 614 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | |
High Tide | 7:50PM0.45m | 8:16AM0.85m | 8:41PM0.43m | 9:08AM0.79m | 9:40PM0.41m | |||||||||||||||||||
Low Tide | 2:14PM0.02m | 1:16AM0.01m | 3:06PM0.06m | 2:01AM0.06m | 4:04PM0.10m | 2:52AM0.13m | ||||||||||||||||||
 |  |  |  |  |  | | | | | | | | | | |  | | | | | | | | |
 | 6:22 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | 6:31 |
— | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 2 | 1 | — | 1 | 1 | — | 1 | 2 | 1 | 2 | 2 | |
Temp °C | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
32 | 31 | 31 | 32 | 32 | 32 | 31 | 31 | 32 | 32 | 31 | 32 | 32 | 31 | 31 | 32 | 32 | 32 | 31 | 31 | 31 | 32 | 32 | 31 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 15 | SW 15 |
 kJ | 462 | 442 | 423 | 411 | 401 | 398 | 383 | 347 | 336 | 546 | 603 | 674 | 657 | 640 | 631 | 631 | 550 | 614 | 614 | 614 | 666 | 773 | 753 | 614 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 9 | S 9 | S 10 |
| kJ | 362 | 326 | 432 | 567 | 574 | 574 | 574 | 432 | 560 | 180 | 139 | 136 | 134 | 217 | 214 | 196 | 185 | 144 | 144 | 144 | 141 | 61 | 61 | 89 |
Swell 3 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | S 9 | S 9 | S 9 | S 9 | WNW 7 | WNW 7 | WNW 7 | SW 18 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 63 | 44 | 43 | 42 | 41 | 28 | 28 | 28 | 27 | 80 | 79 | 78 | 76 | 15 | 15 | 15 | 112 | 15 | 15 | 15 | 15 | 15 | 19 | 29 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 64 | 64 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 64 | 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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