Surf Forecasts:
How big are the waves at Thunders today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4.5ft (1.4m), 18s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 6ft (1.9m), 18s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 7ft (2.1m), 17s period with S swell.
The current surf forecast for Thunders at 11AM is: 1.5m 18s primary swell from a South direction and 1.8m 12s secondary swell from a South direction, 1.6m 12s secondary swell from a South-southeast direction (forecast issued at 06:00am August 13). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 4.5ft (1.4m) | 18s |
| Afternoon (13 Aug) | 6ft (1.9m) | 18s |
| Evening (13 Aug) | 7ft (2.1m) | 17s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 29mm), heaviest during Sat morning. Warm (max 28°C on Thu morning, min 26°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||||||||
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) | S 15 | S 14 | S 18 | S 18 | S 19 | S 17 | S 17 | S 17 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1513 | 1427 | 1439 | 1882 | 2456 | 2353 | 2610 | 2761 | 2259 | 3309 | 3021 | 2713 | 2541 | 2246 | 1995 | 1604 | 1267 | 1348 | 1192 | 1002 | 651 | 643 | 1397 |
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 | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:12AM1.07m | 6:46PM0.75m | 6:54AM1.05m | 7:26PM0.83m | 7:33AM1.00m | 8:05PM0.88m | |||||||||||||||||
Low Tide | 12:53PM0.01m | 00:27AM0.08m | 1:24PM-0.00m | 1:14AM0.08m | 1:53PM0.01m | ||||||||||||||||||
 |  | |  | | | |  | | | | | | | | | | | | | | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | 1 | — | — | — | 3 | 1 | — | — | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 3 | — | — | 2 |
Temp °C | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 |
Feels °C | 28 | 28 | 29 | 30 | 30 | 29 | 28 | 28 | 28 | 28 | 30 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | S 12 | S 18 | S 19 | S 17 | S 17 | S 17 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 16 |
| kJ | 1513 | 1427 | 902 | 1882 | 2456 | 2353 | 2610 | 2761 | 2259 | 3309 | 3021 | 2713 | 2541 | 2246 | 1995 | 1604 | 1267 | 1348 | 1192 | 1002 | 643 | 643 | 1397 |
Swell 2 Height (m) Direction Period (s) | S 19 | S 18 | S 18 | S 12 | S 12 | SW 15 | SSW 23 | SSW 23 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 20 | SSW 20 | SSW 20 | S 19 | SSW 17 | S 18 | S 18 | S 17 | S 16 | S 16 | SW 16 |
| kJ | 693 | 931 | 1439 | 778 | 686 | 106 | 53 | 51 | 91 | 91 | 91 | 176 | 221 | 301 | 395 | 446 | 950 | 408 | 504 | 559 | 651 | 533 | 299 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | WNW 10 | SW 15 | SW 15 | SW 15 | SW 24 | SSW 23 | SSW 23 | WNW 11 | WNW 11 | SW 18 | WNW 11 | WNW 11 | WNW 11 | SW 16 | SW 16 | WNW 11 | SW 17 | SW 17 | SW 17 | SW 15 | SW 15 | WNW 10 |
| kJ | 9 | 9 | 54 | 54 | 106 | 22 | 53 | 50 | 12 | 12 | 51 | 12 | 13 | 13 | 125 | 206 | 12 | 358 | 305 | 346 | 344 | 326 | 21 |
Wind waves Height (m) Direction Period (s) | — | — | SSE 12 | SSE 10 | S 10 | S 12 | S 11 | SSE 11 | SSE 11 | SSE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 718 | 628 | 477 | 674 | 516 | 531 | 531 | 351 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 233 | 233 | 233 | 62 | 62 | 233 | 233 | 173 | 127 | 62 | 62 | 62 | 62 | 3 | 9 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||||
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