Surf Forecasts:
How big are the waves at Thunders today (19 Jul):
- Afternoon surf: Afternoon surf (19 Jul, local time) - 3ft (0.9m), 18s period with SSW swell.
- Evening surf: Evening surf (19 Jul, local time) - 4.5ft (1.4m), 18s period with SSW swell.
The current surf forecast for Thunders at 11PM is: 1.5m 17s primary swell from a South-southwest direction and 0.9m 13s secondary swell from a South-southwest direction, 1.0m 7s secondary swell from a South-southeast direction (forecast issued at 06:00pm July 19). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | - | - |
| Afternoon (19 Jul) | 3ft (0.9m) | 18s |
| Evening (19 Jul) | 4.5ft (1.4m) | 18s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 73mm), heaviest during Sun night. Warm (max 29°C on Wed morning, min 25°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | |||||||||||||||||
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 19 | SSW 17 | SSW 18 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 516 | 1097 | 1048 | 1831 | 2030 | 2189 | 1991 | 1872 | 1849 | 1826 | 1780 | 1511 | 1413 | 1204 | 1061 | 1047 | 917 | 735 | 693 |
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 | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:04PM0.81m | 9:55AM0.77m | 10:50PM0.81m | 10:33AM0.66m | |||||||||||||||
Low Tide | 3:38PM0.07m | 3:52AM0.24m | 4:08PM0.11m | 4:48AM0.30m | 4:37PM0.15m | ||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | 2 | 4 | 7 | 9 | 8 | 4 | 3 | 5 | 6 | 6 | 7 | 6 | 3 | 1 | — | — | — |
Temp °C | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 28 | 27 | 29 | 29 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 19 | SSW 17 | SSW 18 | 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 |
| kJ | 458 | 1097 | 1048 | 1831 | 2030 | 2189 | 1991 | 1872 | 1849 | 1826 | 1780 | 1511 | 1413 | 1204 | 1061 | 1047 | 917 | 735 | 693 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SW 13 | SSW 13 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 11 | WNW 11 | SSW 18 |
| kJ | 516 | 388 | 277 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 11 | 23 | 23 | 63 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | — | — | — | — | — | — | — | NW 10 | — | W 10 | NW 10 | WNW 11 | SSW 20 | SSW 20 | SSW 19 | WNW 8 |
| kJ | 11 | 11 | 11 | — | — | — | — | — | — | — | 4 | — | 2 | 4 | 11 | 37 | 37 | 35 | 7 |
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 7 |
| kJ | 77 | 77 | 102 | 91 | 120 | 151 | 168 | 173 | 138 | 155 | 140 | 117 | 120 | 140 | 151 | 113 | 113 | 110 | 113 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 62 | 32 | 32 | 9 | 3 | 3 | 3 | 32 | 32 | 3 | 3 | 3 | 3 | 3 | 32 | 62 | 62 | 62 | 32 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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