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 2AM is: 2.2m 14s primary swell from a South-southwest direction and 0.9m 6s secondary swell from a South-southeast direction (forecast issued at 06:00pm October 19). The wind direction is predicted to be cross-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 6mm), mostly falling on Mon night. Warm (max 28°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||||
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 15 | SSW 15 | SSW 15 | SSW 14 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 2289 | 2322 | 2111 | 2053 | 1800 | 1800 | 1265 | 1247 | 1195 | 1033 | 863 | 850 | 745 | 745 | 649 | 630 | 489 | 723 | 539 |
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 | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 00:05AM0.67m | 2:21PM0.46m | 1:36AM0.67m | 3:17PM0.56m | |||||||||||||||
Low Tide | 4:10PM0.35m | 7:52AM0.30m | 6:17PM0.41m | 8:49AM0.26m | 8:22PM0.39m | ||||||||||||||
 |  | |  |  |  | | |  | | | | | | | | | | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | — | — | — | — | 1 | 1 | — | 1 | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 29 | 29 | 28 | 29 | 28 | 28 | 30 | 30 | 28 | 29 | 29 | 28 | 27 | 27 | 29 | 29 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 14 | 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 |
| kJ | 2289 | 2322 | 2111 | 2053 | 1800 | 1800 | 1265 | 1247 | 1195 | 1033 | 863 | 850 | 745 | 745 | 649 | 630 | 489 | 410 | 371 |
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 |
| kJ | — | — | — | — | — | — | — | 13 | 13 | 55 | 54 | 108 | 202 | 305 | 404 | 256 | 485 | 723 | 539 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 22 | — | — | W 18 | W 18 | — | W 16 | W 16 | W 16 | W 16 | W 16 |
| kJ | — | — | — | — | — | — | — | — | 9 | — | — | 6 | 6 | — | 5 | 5 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | 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 6 | SSE 6 |
| kJ | 78 | 70 | 56 | 62 | 62 | 69 | 58 | 56 | 55 | 66 | 62 | 66 | 82 | 68 | 75 | 88 | 91 | 90 | 93 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 62 | 168 | 32 | 3 | 32 | 32 | 135 | 135 | 62 | 168 | 168 | 138 | 62 | 168 | 62 | 168 | 538 | 538 | 32 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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