Surf Forecasts:
How big are the waves at Thunders today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 4.5ft (1.4m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 5ft (1.5m), 15s period with SW swell.
- Evening surf: Evening surf (20 Jun, local time) - 5ft (1.5m), 15s period with SW swell.
The current surf forecast for Thunders at 9AM is: 1.4m 16s primary swell from a Southwest direction and 0.9m 9s secondary swell from a South-southeast direction (forecast issued at 06:00am June 20). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 4.5ft (1.4m) | 16s |
| Afternoon (20 Jun) | 5ft (1.5m) | 15s |
| Evening (20 Jun) | 5ft (1.5m) | 15s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Sat night. Warm (max 28°C on Sat morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tue 23 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 767 | 940 | 917 | 1087 | 1006 | 979 | 1059 | 1020 | 1124 | 1124 | 1006 | 1031 | 915 | 1002 | 975 | 947 | 947 | 681 | 754 | 990 | 990 | 1373 | 1356 | 1193 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | glassy | glassy | cross-off | cross-off | glassy | glassy | glassy | glassy | cross | cross | cross | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | off |
High Tide | 9:45AM0.93m | 10:41PM0.69m | 10:33AM0.82m | 11:40PM0.72m | 11:23AM0.71m | 00:40AM0.75m | ||||||||||||||||||
Low Tide | 3:09AM0.19m | 4:25PM0.10m | 4:11AM0.27m | 5:06PM0.14m | 5:22AM0.33m | 5:46PM0.18m | ||||||||||||||||||
 |  | | | | | | |  | |  |  | |  | | | | | | | | | | | |
 | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | 6:22 |
 | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — | 6:19 |
mm | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 2 | — | 2 | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 28 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 31 | 31 | 32 | 33 | 32 | 31 | 31 | 30 | 30 | 30 | 31 | 32 | 31 | 32 | 31 | 32 | 30 | 30 | 33 | 31 | 33 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SW 16 |
| kJ | 767 | 940 | 917 | 1087 | 1006 | 979 | 1059 | 1020 | 1124 | 1124 | 1006 | 1031 | 915 | 1002 | 975 | 947 | 947 | 681 | 754 | 990 | 990 | 1373 | 1356 | 1193 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSW 17 | SSW 17 | SSE 8 | SSE 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 154 | 158 | 149 | 149 | 143 | 159 | 159 | 153 | 121 | 119 | 119 | 116 | 116 | 101 | 96 | 94 | 84 | 469 | 386 | 62 | 46 | 59 | 58 | 34 |
Swell 3 Height (m) Direction Period (s) | SW 12 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | SSE 8 | SSE 8 | WNW 8 | WNW 8 | SSE 8 | SSE 8 | SE 9 |
| kJ | 71 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 21 | 21 | 20 | 64 | 62 | 41 | 62 | 46 | 26 | 41 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 | 84 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
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