Surf Forecasts:
How big are the waves at Thunders today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 4.5ft (1.4m), 14s period with S swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 4.5ft (1.3m), 14s period with S swell.
- Evening surf: Evening surf (17 Aug, local time) - 3.5ft (1.1m), 18s period with SSW swell.
The current surf forecast for Thunders at 5AM is: 1.4m 14s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a West-northwest direction (forecast issued at 12:00am August 17). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 4.5ft (1.4m) | 14s |
| Afternoon (17 Aug) | 4.5ft (1.3m) | 14s |
| Evening (17 Aug) | 3.5ft (1.1m) | 18s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 28°C on Mon morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
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) | S 14 | SSW 14 | SSW 14 | S 14 | S 14 | S 13 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 951 | 834 | 724 | 813 | 791 | 590 | 609 | 777 | 1106 | 1330 | 2507 | 1626 | 2303 | 1899 | 5045 | 5329 | 5273 | 4946 | 4933 | 5191 | 5392 | 5818 | 5685 | 5242 |
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 | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | on | on |
High Tide | 8:43AM0.82m | 9:20PM0.89m | 9:15AM0.71m | 9:58PM0.86m | 9:45AM0.60m | |||||||||||||||||||
Low Tide | 2:42AM0.14m | 2:46PM0.06m | 3:24AM0.20m | 3:11PM0.09m | 4:08AM0.25m | 3:37PM0.13m | ||||||||||||||||||
 | |  |  | | |  | |  | |  | | | | | | | | | |  | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 28 | 30 | 29 | 30 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 28 | 29 | 30 | 30 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | S 14 | SSW 14 | SSW 14 | S 14 | S 14 | S 13 | SSW 18 | S 13 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 |
| kJ | 951 | 834 | 724 | 813 | 791 | 590 | 609 | 600 | 1106 | 1330 | 2507 | 1626 | 2303 | 1899 | 5045 | 5329 | 5273 | 4946 | 4933 | 5191 | 5392 | 5818 | 5685 | 5242 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | WNW 9 | SW 24 | SSW 19 | SSW 20 | SSW 19 | SW 23 | SSW 18 | S 13 | SSW 21 | SW 21 | SSW 20 | SW 20 | SSW 19 | S 9 | S 9 | WSW 8 | W 8 | W 10 | W 10 | W 20 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 16 | 16 | 142 | 148 | 149 | 406 | 255 | 777 | 609 | 1199 | 548 | 1484 | 918 | 1719 | 14 | 13 | 23 | 21 | 8 | 17 | 31 | 10 | 10 | 11 |
Swell 3 Height (m) Direction Period (s) | SW 26 | SSW 24 | WNW 9 | SW 24 | SW 24 | SW 23 | WNW 8 | SW 22 | SW 22 | SW 13 | WNW 8 | WNW 8 | WNW 8 | W 22 | — | — | WNW 11 | — | WNW 10 | — | — | — | — | — |
| kJ | 26 | 55 | 15 | 142 | 142 | 140 | 14 | 476 | 906 | 171 | 13 | 13 | 14 | 9 | — | — | 12 | — | 20 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SE 3 | — | — | — | S 13 | — | SSE 6 | SSE 10 | — | SSE 6 | SSE 6 | SW 8 | WSW 8 | WSW 8 | — | — | SW 8 | SW 8 | SW 10 | SW 8 | SW 8 | SW 8 |
| kJ | — | — | 2 | — | — | — | 609 | — | 41 | 160 | — | 27 | 27 | 35 | 27 | 24 | — | — | 16 | 16 | 58 | 31 | 32 | 32 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 32 | 62 | 135 | 475 | 32 | 32 | 62 | 168 | 168 | 62 | 485 | 3 | 3 | 3 | 3 | 3 | 62 | 62 | 168 | 62 | 233 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
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