Surf Forecasts:
How big are the waves at Thunders today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 6ft (1.9m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 6ft (1.8m), 17s period with SW swell.
- Evening surf: Evening surf (19 Sep, local time) - 7ft (2.2m), 16s period with SW swell.
The current surf forecast for Thunders at 4PM is: 1.9m 17s primary swell from a Southwest direction and 1.1m 13s secondary swell from a Southwest direction, 1.1m 6s secondary swell from a South-southeast direction (forecast issued at 12:00pm September 19). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 6ft (1.9m) | 18s |
| Afternoon (19 Sep) | 6ft (1.8m) | 17s |
| Evening (19 Sep) | 7ft (2.2m) | 16s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sat night. Warm (max 28°C on Sat morning, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||||
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 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2238 | 1717 | 1938 | 2468 | 2475 | 2320 | 2291 | 2291 | 2262 | 2151 | 2123 | 1809 | 1648 | 1525 | 1370 | 1748 | 1724 | 1462 | 833 | 1327 | 1283 |
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 |
High Tide | 11:36PM0.68m | 12:04PM0.36m | 1:20AM0.66m | 3:13PM0.40m | |||||||||||||||||
Low Tide | 3:44PM0.24m | 7:47AM0.34m | 4:32PM0.31m | 9:55AM0.30m | 6:45PM0.36m | ||||||||||||||||
 |  | |  | | |  |  | | |  | | |  | | | | | | | | |
 | 6:09 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | 1 | — | — | — | — | — | 4 | 1 | — | — | — | — | — | — | — | 1 | — | 2 | 1 | — | — |
Temp °C | 27 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 27 | 27 | 26 | 27 |
Feels °C | 27 | 28 | 28 | 28 | 26 | 26 | 25 | 25 | 27 | 29 | 30 | 28 | 28 | 28 | 28 | 27 | 30 | 29 | 28 | 27 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 19 | SW 19 |
| kJ | 2238 | 1717 | 1938 | 2468 | 2475 | 2320 | 2291 | 2291 | 2262 | 2151 | 2123 | 1809 | 1648 | 1525 | 1370 | 1748 | 1724 | 1462 | 833 | 96 | 93 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | SW 13 | SW 13 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | SSW 20 | W 15 | W 15 |
| kJ | 13 | 517 | 394 | 12 | 12 | 12 | 12 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 20 | 20 | 37 | 18 | 17 |
Swell 3 Height (m) Direction Period (s) | W 15 | WNW 8 | WNW 8 | W 15 | W 15 | — | — | — | — | — | — | — | — | — | S 21 | S 21 | SW 20 | SW 20 | W 16 | W 15 | W 15 |
| kJ | 4 | 13 | 12 | 4 | 4 | — | — | — | — | — | — | — | — | — | 9 | 9 | 16 | 15 | 19 | 18 | 4 |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSW 13 | S 13 |
| kJ | 85 | 82 | 82 | 85 | 85 | 87 | 107 | 118 | 109 | 126 | 107 | 96 | 91 | 70 | 64 | 116 | 150 | 180 | 163 | 1327 | 1283 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 168 | 135 | 538 | 475 | 168 | 62 | 62 | 168 | 168 | 168 | 62 | 168 | 32 | 168 | 138 | 62 | 62 | 135 | 135 | 168 | 62 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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