Surf Forecasts:
How big are the waves at Thunders today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 6ft (1.9m), 18s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 8ft (2.5m), 19s 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 3AM is: 2.0m 15s primary swell from a South direction and 0.9m 19s secondary swell from a South direction (forecast issued at 06:00pm August 12). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 6ft (1.9m) | 18s |
| Afternoon (13 Aug) | 8ft (2.5m) | 19s |
| Evening (13 Aug) | 7ft (2.1m) | 17s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), heaviest during Fri night. Warm (max 28°C on Wed afternoon, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | |||||||||||||||||
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 16 | S 16 | S 16 | S 16 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 2175 | 2151 | 2151 | 2109 | 1672 | 1581 | 2268 | 1882 | 4240 | 2353 | 2581 | 2761 | 2234 | 3309 | 2175 | 2718 | 2546 | 2246 | 1818 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | on | on | cross-on |
High Tide | 6:03PM0.65m | 6:12AM1.07m | 6:46PM0.75m | 6:54AM1.05m | 7:26PM0.83m | ||||||||||||||
Low Tide | 11:35PM0.10m | 12:53PM0.01m | 00:27AM0.08m | 1:24PM-0.00m | |||||||||||||||
 |  | | | |  | | | | |  | | | | | | | | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | — | — | 1 | 1 | 2 | 2 | — | 3 | 4 | 2 | — | — | 1 | 2 | 2 | 5 |
Temp °C | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 30 | 29 | 28 | 28 | 29 | 29 | 30 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 30 | 29 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | S 15 | S 14 | S 18 | S 12 | S 19 | S 17 | S 17 | S 17 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 |
| kJ | 2175 | 2151 | 2151 | 2109 | 1672 | 1581 | 2268 | 880 | 4240 | 2353 | 2581 | 2761 | 2234 | 3309 | 2175 | 2718 | 2546 | 2246 | 1818 |
Swell 2 Height (m) Direction Period (s) | S 21 | S 20 | S 20 | S 19 | S 19 | S 18 | SSW 14 | S 18 | SW 15 | SW 15 | SSW 23 | SSW 23 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 20 | SSW 20 | SSW 20 |
| kJ | 76 | 124 | 279 | 480 | 693 | 931 | 605 | 1882 | 106 | 106 | 53 | 51 | 91 | 91 | 91 | 176 | 304 | 301 | 395 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WSW 10 | SW 15 | S 24 | SW 24 | SSW 23 | SSW 23 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | SW 16 |
| kJ | 9 | 9 | 9 | 9 | 9 | 9 | 18 | 54 | 11 | 22 | 53 | 50 | 12 | 12 | 25 | 12 | 13 | 13 | 125 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSE 12 | SSE 12 | SSE 10 | SSE 10 | S 11 | S 11 | SSE 10 | SSE 11 | SSE 10 | SSE 10 | — | — | — | — |
| kJ | — | — | — | — | — | 920 | 828 | 544 | 523 | 707 | 584 | 521 | 531 | 351 | 356 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 62 | 538 | 476 | 233 | 233 | 32 | 135 | 62 | 62 | 233 | 173 | 173 | 127 | 32 | 62 | 62 | 9 | 3 | 3 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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