Surf Forecasts:
How big are the waves at Thunders today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 5ft (1.6m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 5ft (1.6m), 14s period with SW swell.
- Evening surf: Evening surf (21 Jun, local time) - 5ft (1.6m), 14s period with SW swell.
The current surf forecast for Thunders at 7AM is: 1.6m 15s primary swell from a Southwest direction and 0.9m 9s secondary swell from a South-southeast direction (forecast issued at 12:00am June 21). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 5ft (1.6m) | 14s |
| Afternoon (21 Jun) | 5ft (1.6m) | 14s |
| Evening (21 Jun) | 5ft (1.6m) | 14s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Sat night. Warm (max 28°C on Sat night, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 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) | 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 | SSW 15 | SSW 15 | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1020 | 1124 | 1124 | 1006 | 1031 | 915 | 1002 | 975 | 947 | 947 | 681 | 754 | 990 | 990 | 1373 | 1356 | 1193 | 1001 | 987 | 893 | 893 | 818 | 711 | 711 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | glassy | glassy | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | glassy |
High Tide | 10:41PM0.69m | 10:33AM0.82m | 11:40PM0.72m | 11:23AM0.71m | 00:40AM0.75m | 12:20PM0.61m | ||||||||||||||||||
Low Tide | 4:11AM0.27m | 5:06PM0.14m | 5:22AM0.33m | 5:46PM0.18m | 6:48AM0.37m | 6:27PM0.20m | ||||||||||||||||||
 |  |  | | |  | | | | |  | | | | | | |  | | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | 3 | — | — | — | — | 1 | 1 | 1 | 2 | 1 | — | — | 1 | 2 | 1 | 1 | — | — | — | — | 1 | 1 | 1 | 1 |
Temp °C | 27 | 26 | 26 | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 32 | 30 | 30 | 33 | 33 | 32 | 32 | 31 | 29 | 29 | 30 | 32 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 31 | 32 | 32 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 15 | SSW 15 | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 1020 | 1124 | 1124 | 1006 | 1031 | 915 | 1002 | 975 | 947 | 947 | 681 | 754 | 990 | 990 | 1373 | 1356 | 1193 | 1001 | 987 | 893 | 893 | 818 | 711 | 711 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSW 17 | SSW 17 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 153 | 149 | 119 | 119 | 116 | 92 | 101 | 86 | 84 | 65 | 469 | 386 | 84 | 80 | 66 | 70 | 62 | 42 | 42 | 36 | 35 | 34 | 33 | 33 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | SSE 8 | WNW 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 20 | 20 | 21 | 22 | 22 | 22 | 22 | 21 | 21 | 43 | 64 | 76 | 40 | 61 | 25 | 35 | 45 | 46 | 47 | 27 | 19 | 19 | 16 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 8 | N 5 | N 5 | N 5 | N 5 | NNW 4 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 41 | 11 | 27 | 20 | 13 | 7 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
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