Surf Forecasts:
How big are the waves at Thunders today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 4.5ft (1.4m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 4.5ft (1.3m), 13s period with SSW swell.
- Evening surf: Evening surf (21 Oct, local time) - 3ft (0.9m), 19s period with SSW swell.
The current surf forecast for Thunders at 2PM is: 1.3m 13s primary swell from a South-southwest direction and 0.7m 21s secondary swell from a South-southwest direction, 1.1m 6s secondary swell from a South-southeast direction (forecast issued at 06:00am October 21). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 4.5ft (1.4m) | 13s |
| Afternoon (21 Oct) | 4.5ft (1.3m) | 13s |
| Evening (21 Oct) | 3ft (0.9m) | 19s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed morning. Warm (max 28°C on Wed morning, min 26°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 21 | SSW 16 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 745 | 745 | 649 | 630 | 489 | 596 | 539 | 525 | 768 | 897 | 1026 | 665 | 880 | 1082 | 1236 | 3843 | 4002 | 4227 | 3918 | 4153 | 3734 | 3606 | 3080 |
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 | 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 | 1:36AM0.67m | 3:17PM0.56m | 2:44AM0.70m | 3:50PM0.67m | 3:35AM0.73m | 4:20PM0.78m | |||||||||||||||||
Low Tide | 8:49AM0.26m | 8:22PM0.39m | 9:24AM0.22m | 9:32PM0.32m | 9:54AM0.17m | ||||||||||||||||||
 |  | | |  |  |  | | | | | | | | | | | | | | | | | |
 | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | 2 | 4 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 27 | 27 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 31 | 30 | 28 | 29 | 29 | 28 | 28 | 28 | 30 | 29 | 29 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 745 | 745 | 649 | 630 | 489 | 410 | 371 | 309 | 768 | 897 | 1026 | 665 | 880 | 915 | 1194 | 3843 | 4002 | 4227 | 3918 | 4153 | 3734 | 3606 | 3080 |
Swell 2 Height (m) Direction Period (s) | SSW 23 | SSW 21 | SSW 21 | SSW 21 | SSW 20 | SSW 20 | SSW 19 | SSW 18 | SSW 12 | SSW 13 | SSW 12 | SSW 13 | SSW 12 | SSW 21 | SSW 20 | — | — | — | — | — | — | — | — |
| kJ | 202 | 305 | 404 | 256 | 485 | 596 | 539 | 525 | 314 | 286 | 251 | 277 | 180 | 1082 | 1236 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 18 | — | W 16 | W 16 | W 16 | W 16 | W 16 | W 9 | — | WSW 18 | W 14 | S 21 | S 21 | SSW 12 | SW 12 | — | — | — | — | — | — | — | — |
| kJ | 6 | — | 5 | 5 | 5 | 5 | 5 | 2 | — | 31 | 4 | 308 | 551 | 180 | 144 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | 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 8 | SSE 7 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 85 | 91 | 91 | 97 | 100 | 99 | 102 | 102 | 110 | 113 | 113 | 105 | 132 | 132 | 163 | 176 | 176 | 151 | 161 | 147 | 155 | 181 | 186 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 62 | 62 | 62 | 62 | 62 | 9 | 3 | 3 | 3 | 31 | 32 | 62 | 62 | 475 | 168 | 168 | 62 | 32 | 62 | 62 | 233 | 168 | 168 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||||
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