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 6AM is: 2.3m 16s primary swell from a South-southwest direction and 0.9m 20s secondary swell from a South-southwest direction, 0.7m 5s secondary swell from a South-southeast direction (forecast issued at 12:00am 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 Fri morning. Warm (max 28°C on Fri morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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) | SSW 16 | SSW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | 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 18 | SSW 18 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2850 | 2423 | 2271 | 1885 | 1976 | 2002 | 3317 | 3197 | 2931 | 2859 | 3093 | 2722 | 2354 | 2048 | 2228 | 1966 | 1435 | 1283 | 1206 | 1079 | 1367 | 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 | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:30PM0.74m | 10:46AM0.42m | 00:41AM0.70m | 12:37PM0.36m | 2:12AM0.70m | 3:18PM0.37m | ||||||||||||||||||
Low Tide | 6:14AM0.35m | 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 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — |
Temp °C | 26 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 28 | 30 | 30 | 29 | 30 | 29 | 28 | 29 | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 29 | 28 | 28 | 27 | 28 | 29 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | 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 | 2850 | 2423 | 2271 | 1885 | 1976 | 2002 | 3317 | 3197 | 2931 | 2859 | 3093 | 2722 | 2354 | 2048 | 2228 | 1966 | 1435 | 1283 | 1206 | 1079 | 1367 | 902 | 915 | 1215 |
Swell 2 Height (m) Direction Period (s) | S 21 | S 20 | SSW 20 | 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 | 225 | 384 | 634 | 1234 | 1118 | 1480 | 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 10 | 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 | S 9 | — |
| kJ | 23 | 22 | 22 | 22 | 22 | 22 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 9 | 8 | 104 | 230 | 61 | 7 | 131 | 85 | 7 | 2 | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | SSE 4 | SSE 5 | SSE 5 | SE 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 6 | SSE 6 | SSE 6 |
| kJ | 14 | 18 | 20 | 21 | 24 | 31 | 36 | 41 | 46 | 39 | — | 40 | 51 | 46 | 71 | 77 | 73 | 87 | 90 | 87 | 100 | 96 | 90 | 104 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 31 | 3 | 3 | 32 | 62 | 135 | 168 | 168 | 168 | 168 | 32 | 168 | 485 | 504 | 9 | 168 | 135 | 168 | 168 | 168 | 62 | 62 | 32 | 32 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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