Surf Forecasts:
How big are the waves at Thunders today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 6ft (1.8m), 19s period with SW swell.
- 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 6AM is: 1.1m 20s primary swell from a Southwest direction and 1.4m 15s secondary swell from a Southwest direction, 0.9m 9s secondary swell from a South-southeast direction (forecast issued at 12:00am September 12). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 6ft (1.8m) | 19s |
| 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 ForecastModerate rain (total 11mm), heaviest on Sat morning. Warm (max 28°C on Sat morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 21 | SW 21 | SW 15 | SW 19 | SW 19 | 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 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1625 | 1278 | 940 | 2315 | 3104 | 3267 | 2612 | 3764 | 3519 | 3399 | 3282 | 2973 | 2742 | 2742 | 2328 | 1976 | 1788 | 1788 | 1776 | 1845 | 2007 | 2007 | 1982 | 1931 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:32AM0.94m | 6:57PM0.94m | 7:07AM0.89m | 7:31PM0.98m | 7:40AM0.81m | 8:04PM0.97m | ||||||||||||||||||
Low Tide | 00:22AM0.08m | 12:43PM0.02m | 1:03AM0.07m | 1:09PM0.03m | 1:42AM0.07m | 1:33PM0.04m | ||||||||||||||||||
 | |  | |  | |  | | | | | |  | |  | | |  | | | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — |
mm | — | — | — | — | 2 | 2 | 1 | 1 | 1 | 1 | 2 | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 28 | 29 | 30 | 31 | 31 | 30 | 28 | 28 | 28 | 27 | 28 | 29 | 30 | 29 | 29 | 28 | 27 | 29 | 29 | 29 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 15 | SW 15 | SW 19 | SW 19 | 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 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 857 | 869 | 940 | 2315 | 3104 | 3267 | 2612 | 3764 | 3519 | 3399 | 3282 | 2973 | 2742 | 2742 | 2328 | 1976 | 1788 | 1788 | 1776 | 1845 | 2007 | 2007 | 1982 | 1931 |
Swell 2 Height (m) Direction Period (s) | SW 21 | SW 21 | SW 20 | SW 14 | SW 14 | SW 14 | SW 15 | — | SSE 8 | 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 | W 16 |
| kJ | 1625 | 1278 | 869 | 606 | 606 | 597 | 979 | — | 24 | 30 | 30 | 30 | 29 | 28 | 25 | 24 | 24 | 24 | 24 | 23 | 22 | 20 | 20 | 20 |
Swell 3 Height (m) Direction Period (s) | — | W 17 | W 17 | W 22 | W 21 | W 21 | SSE 9 | — | — | — | W 19 | W 19 | W 19 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 6 | 6 | 9 | 36 | 36 | 26 | — | — | — | 30 | 30 | 29 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | 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 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 185 | 149 | 146 | 158 | 154 | 151 | 90 | 100 | 125 | 129 | 138 | 138 | 142 | 138 | 153 | 168 | 151 | 155 | 148 | 164 | 153 | 148 | 144 | 120 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 32 | 32 | 62 | 32 | 32 | 62 | 62 | 168 | 233 | 168 | 168 | 168 | 135 | 174 | 538 | 168 | 168 | 168 | 168 | 62 | 135 | 62 | 135 | 3 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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