Surf Forecasts:
How big are the waves at Thunders today (21 Jul):
- Afternoon surf: Afternoon surf (21 Jul, local time) - 6ft (1.9m), 16s period with SSW swell.
- Evening surf: Evening surf (21 Jul, local time) - 6ft (1.9m), 16s period with SSW swell.
The current surf forecast for Thunders at 12AM is: 1.8m 15s primary swell from a South-southwest direction and 0.2m 8s secondary swell from a West-northwest direction, 1.1m 7s secondary swell from a South-southeast direction (forecast issued at 06:00pm July 20). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | - | - |
| Afternoon (21 Jul) | 6ft (1.9m) | 16s |
| Evening (21 Jul) | 6ft (1.9m) | 16s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 29°C on Tue morning, min 27°C on Mon afternoon). Wind will be generally light. | |||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||
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) | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSE 8 | SSE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 1849 | 1826 | 1780 | 1511 | 1413 | 1204 | 1061 | 1047 | 917 | 735 | 604 | 586 | 499 | 390 | 384 | 317 | 312 | 315 | 407 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:50PM0.81m | 10:33AM0.66m | 11:40PM0.79m | 11:14AM0.55m | |||||||||||||||
Low Tide | 4:08PM0.11m | 4:48AM0.30m | 4:37PM0.15m | 5:54AM0.35m | 5:10PM0.19m | ||||||||||||||
 |  |  | |  |  |  | |  | | | | | | | | | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 29 | 28 | 28 | 27 | 27 |
Feels °C | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 |
| kJ | 1849 | 1826 | 1780 | 1511 | 1413 | 1204 | 1061 | 1047 | 917 | 735 | 604 | 586 | 499 | 390 | 384 | 317 | 312 | 224 | 241 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 11 | WNW 11 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | WNW 8 |
| kJ | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 11 | 23 | 23 | 63 | 62 | 62 | 100 | 89 | 87 | 86 | 142 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | NW 10 | — | W 10 | NW 10 | WNW 11 | SSW 20 | SSW 20 | SSW 19 | WNW 8 | WNW 8 | WNW 8 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 8 | WNW 11 |
| kJ | — | — | 4 | — | 2 | 4 | 11 | 37 | 37 | 35 | 7 | 6 | 6 | 10 | 9 | 10 | 15 | 14 | 12 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 9 |
| kJ | 173 | 147 | 140 | 117 | 113 | 113 | 113 | 110 | 110 | 163 | 163 | 180 | 185 | 202 | 234 | 240 | 285 | 315 | 407 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 168 | 32 | 62 | 168 | 168 | 168 | 168 | 127 | 135 | 168 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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