Surf Forecasts:
How big are the waves at Thunders today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 6.5ft (2.0m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 6ft (1.8m), 14s period with SSW swell.
- Evening surf: Evening surf (20 Oct, local time) - 5.5ft (1.7m), 13s period with SSW swell.
The current surf forecast for Thunders at 3PM is: 1.8m 14s primary swell from a South-southwest direction and 0.1m 26s secondary swell from a South direction, 1.0m 6s secondary swell from a South-southeast direction (forecast issued at 06:00am October 20). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 6.5ft (2.0m) | 14s |
| Afternoon (20 Oct) | 6ft (1.8m) | 14s |
| Evening (20 Oct) | 5.5ft (1.7m) | 13s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Warm (max 28°C on Tue morning, min 26°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||||
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) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 21 | SSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1965 | 1800 | 1265 | 1247 | 1195 | 1033 | 863 | 850 | 745 | 745 | 649 | 587 | 489 | 596 | 539 | 525 | 768 | 897 | 1026 | 665 | 880 | 1082 | 1236 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | 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 | on | cross-on | cross-on |
High Tide | 2:21PM0.46m | 1:36AM0.67m | 3:17PM0.56m | 2:44AM0.70m | 3:50PM0.67m | ||||||||||||||||||
Low Tide | 7:52AM0.30m | 6:17PM0.41m | 8:49AM0.26m | 8:22PM0.39m | 9:24AM0.22m | 9:32PM0.32m | |||||||||||||||||
 |  |  | | |  | | | |  | | | | | | | | | | | |  | | |
 | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | 1 | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 28 | 30 | 30 | 29 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 30 | 29 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 1965 | 1800 | 1265 | 1247 | 1195 | 1033 | 863 | 850 | 745 | 745 | 649 | 587 | 489 | 410 | 371 | 309 | 768 | 897 | 1026 | 665 | 880 | 915 | 1194 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 26 | S 26 | SSW 24 | SSW 24 | SSW 24 | SSW 23 | SSW 21 | SSW 21 | SSW 21 | SSW 20 | SSW 20 | SSW 19 | SSW 18 | SSW 12 | SSW 13 | SSW 12 | SSW 13 | SSW 12 | SSW 21 | SSW 20 |
| kJ | — | — | — | 13 | 13 | 55 | 54 | 108 | 202 | 305 | 404 | 256 | 485 | 596 | 539 | 525 | 314 | 341 | 251 | 277 | 180 | 1082 | 1236 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 22 | — | — | W 18 | W 18 | — | W 16 | W 16 | W 16 | W 16 | W 16 | W 9 | — | — | W 14 | S 21 | S 21 | SSW 12 | SW 12 |
| kJ | — | — | — | — | 9 | — | — | 6 | 6 | — | 5 | 5 | 5 | 5 | 5 | 2 | — | — | 4 | 308 | 551 | 180 | 144 |
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 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 |
| kJ | 64 | 67 | 68 | 66 | 68 | 68 | 71 | 73 | 75 | 94 | 91 | 91 | 94 | 93 | 107 | 107 | 110 | 107 | 110 | 113 | 128 | 154 | 183 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 32 | 32 | 138 | 138 | 62 | 135 | 62 | 32 | 32 | 9 | 168 | 135 | 62 | 32 | 31 | 9 | 31 | 31 | 32 | 135 | 538 | 476 | 168 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||||
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