Surf Forecasts:
How big are the waves at Thunders today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 7ft (2.1m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 7ft (2.1m), 15s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 8ft (2.5m), 16s period with SSW swell.
The current surf forecast for Thunders at 6PM is: 2.3m 16s primary swell from a South-southwest direction and 0.3m 11s secondary swell from a West-northwest direction, 0.9m 5s secondary swell from a South-southeast direction (forecast issued at 12:00pm August 21). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 7ft (2.1m) | 15s |
| Afternoon (21 Aug) | 7ft (2.1m) | 15s |
| Evening (21 Aug) | 8ft (2.5m) | 16s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sun night. Warm (max 28°C on Fri morning, min 26°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||
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 15 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 14 | SSW 18 | SSW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1885 | 2150 | 1689 | 3317 | 3197 | 3157 | 2859 | 2823 | 2396 | 2066 | 2228 | 1776 | 1600 | 1435 | 1223 | 1206 | 1023 | 1181 | 911 | 983 | 1342 |
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 | 00:41AM0.70m | 12:37PM0.36m | 2:12AM0.70m | 3:18PM0.37m | |||||||||||||||||
Low Tide | 4:37PM0.23m | 9:27AM0.35m | 5:30PM0.27m | 10:45AM0.29m | 7:16PM0.31m | ||||||||||||||||
 |  |  |  | |  | | | | | |  | | | | | | | | | | |
 | 6:20 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 30 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 30 | 29 | 31 | 28 | 28 | 27 | 27 | 29 | 29 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 1885 | 2150 | 1689 | 3317 | 3197 | 3157 | 2859 | 2823 | 2396 | 2066 | 2228 | 1776 | 1600 | 1435 | 1223 | 1206 | 1023 | 889 | 902 | 915 | 779 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | SSW 18 | SSW 18 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SSW 24 | SSW 24 | SSW 18 | SSW 22 | SSW 21 | SSW 20 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 |
| kJ | 1234 | 1118 | 1633 | 22 | 22 | 22 | 20 | 10 | 9 | 9 | 55 | 108 | 108 | 363 | 476 | 560 | 959 | 1181 | 911 | 983 | 1342 |
Swell 3 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | WNW 10 | WNW 9 | SSW 23 | S 18 | SSW 18 | WNW 9 | S 16 | SSW 16 | WNW 9 | — | — |
| kJ | 22 | 22 | 22 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 9 | 8 | 104 | 230 | 61 | 7 | 131 | 85 | 7 | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 20 | 23 | 27 | 32 | 28 | 32 | 33 | 34 | 34 | 32 | 63 | 85 | 94 | 114 | 114 | 114 | 114 | 121 | 107 | 121 | 132 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 62 | 168 | 233 | 168 | 168 | 168 | 168 | 62 | 168 | 174 | 174 | 233 | 233 | 168 | 168 | 168 | 233 | 62 | 62 | 168 | 168 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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