
Surf Forecasts:
How big are the waves at Thunders today (12 Sep):
- Afternoon surf: Afternoon surf (12 Sep, local time) - 7ft (2.1m), 19s period with SW swell.
- Evening surf: Evening surf (12 Sep, local time) - 7.5ft (2.3m), 18s period with SW swell.
The current surf forecast for Thunders at 11PM is: 2.4m 18s primary swell from a Southwest direction and 1.1m 6s secondary swell from a South-southeast direction (forecast issued at 06:00pm September 12). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | - | - |
| Afternoon (12 Sep) | 7ft (2.1m) | 19s |
| Evening (12 Sep) | 7.5ft (2.3m) | 18s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 29°C on Tue morning, min 26°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | |||||||||||||||||
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 | |||||||||||||||||||
Wave Height (m) Direction Period (s) | SW 19 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 |
Wave Graph | |||||||||||||||||||
3267 | 2612 | 3963 | 3519 | 3399 | 3282 | 2973 | 2742 | 2742 | 2328 | 1976 | 1788 | 1650 | 1776 | 1845 | 1845 | 2119 | 1982 | 1931 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:57PM0.94m | 7:07AM0.89m | 7:31PM0.98m | 7:40AM0.81m | 8:04PM0.97m | ||||||||||||||
Low Tide | 1:03AM0.07m | 1:09PM0.03m | 1:42AM0.07m | 1:33PM0.04m | |||||||||||||||
— | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | |
6:17 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | |
mm | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 28 | 29 | 29 | 28 | 27 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 29 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SW 19 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 |
3267 | 2612 | 3963 | 3519 | 3399 | 3282 | 2973 | 2742 | 2742 | 2328 | 1976 | 1788 | 1650 | 1776 | 1845 | 1845 | 2119 | 1982 | 1931 | |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 15 | — | — | W 19 | W 19 | W 19 | W 19 | W 19 | W 18 | W 18 | W 18 | W 18 | W 18 | W 17 | W 17 | W 16 | W 16 | SSE 7 |
597 | 979 | — | — | 30 | 30 | 30 | 29 | 28 | 25 | 24 | 24 | 24 | 24 | 23 | 22 | 21 | 20 | 118 | |
Swell 3 Height (m) Direction Period (s) | W 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 |
36 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 20 | |
Wind waves Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | — |
151 | 151 | 85 | 103 | 117 | 121 | 125 | 129 | 153 | 162 | 183 | 183 | 188 | 188 | 153 | 153 | 153 | 118 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 168 | 538 | 475 | 233 | 168 | 168 | 168 | 168 | 538 | 538 | 168 | 168 | 32 | 32 | 9 | 62 | 62 | 62 | 3 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)










