Surf Forecasts:
How big are the waves at Thunders today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 6ft (1.9m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 6ft (1.9m), 16s period with SSW swell.
- Evening surf: Evening surf (20 Jul, local time) - 6ft (1.9m), 16s period with SSW swell.
The current surf forecast for Thunders at 12PM is: 1.9m 16s primary swell from a South-southwest direction and 0.2m 7s secondary swell from a West-northwest direction, 1.4m 7s secondary swell from a South-southeast direction (forecast issued at 06:00am July 20). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 6ft (1.9m) | 17s |
| Afternoon (20 Jul) | 6ft (1.9m) | 16s |
| Evening (20 Jul) | 6ft (1.9m) | 16s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), heaviest during Mon morning. Warm (max 28°C on Mon morning, min 26°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
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 18 | SSW 17 | SSW 16 | SSW 16 | 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 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2030 | 2189 | 1991 | 1872 | 1849 | 1826 | 1780 | 1511 | 1275 | 1204 | 1061 | 1047 | 917 | 746 | 693 | 586 | 499 | 390 | 384 | 317 | 312 | 323 | 361 |
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 | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:55AM0.77m | 10:50PM0.81m | 10:33AM0.66m | 11:40PM0.79m | 11:14AM0.55m | ||||||||||||||||||
Low Tide | 3:52AM0.24m | 4:08PM0.11m | 4:48AM0.30m | 4:37PM0.15m | 5:54AM0.35m | 5:10PM0.19m | |||||||||||||||||
 |  | | | | | | | | |  | | |  |  | | | | | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | 5 | 7 | 5 | 3 | 2 | 2 | 1 | 1 | 4 | 4 | — | 1 | 1 | — | — | — | — | — | 1 | 1 | 3 | 1 | 1 |
Temp °C | 26 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 |
Feels °C | 27 | 28 | 28 | 29 | 30 | 28 | 28 | 29 | 27 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 29 | 27 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 17 | SSW 16 | SSW 16 | 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 | 2030 | 2189 | 1991 | 1872 | 1849 | 1826 | 1780 | 1511 | 1275 | 1204 | 1061 | 1047 | 917 | 746 | 693 | 586 | 499 | 390 | 384 | 317 | 312 | 224 | 288 |
Swell 2 Height (m) Direction Period (s) | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 11 | WNW 11 | WNW 11 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | WNW 8 |
| kJ | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 22 | 23 | 23 | 63 | 62 | 62 | 100 | 89 | 87 | 86 | 142 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 10 | — | W 10 | W 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 | 2 | 11 | 37 | 37 | 35 | 7 | 6 | 6 | 10 | 9 | 10 | 15 | 13 | 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 7 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 138 | 159 | 163 | 185 | 185 | 168 | 147 | 147 | 132 | 132 | 138 | 142 | 136 | 158 | 168 | 185 | 191 | 207 | 247 | 285 | 307 | 323 | 361 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 127 | 62 | 62 | 62 | 62 | 62 | 32 | 32 | 32 | 32 | 62 | 168 | 168 | 62 | 32 | 32 | 32 | 127 | 62 | 62 | 138 | 168 | 168 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||||
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