Surf Forecasts:
How big are the waves at Thunders today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 4.5ft (1.4m), 13s period with S swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 4.5ft (1.4m), 13s period with S swell.
- Evening surf: Evening surf (18 Jun, local time) - 2.5ft (0.7m), 13s period with SW swell.
The current surf forecast for Thunders at 2PM is: 1.4m 13s primary swell from a South direction and 0.3m 8s secondary swell from a West-northwest direction (forecast issued at 06:00am June 18). The wind direction is predicted to be onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 4.5ft (1.4m) | 13s |
| Afternoon (18 Jun) | 4.5ft (1.4m) | 13s |
| Evening (18 Jun) | 2.5ft (0.7m) | 13s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Sat morning. Warm (max 29°C on Thu morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 13 | S 13 | S 13 | S 13 | S 13 | SSW 12 | SW 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | SSW 18 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 563 | 355 | 660 | 663 | 653 | 202 | 167 | 288 | 196 | 157 | 157 | 223 | 323 | 323 | 449 | 617 | 767 | 864 | 917 | 1087 | 1006 | 979 | 953 | 940 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross-on | on | on | cross | cross | glassy | cross-on | cross-on | on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy |
High Tide | 8:09AM1.10m | 8:50PM0.63m | 8:57AM1.02m | 9:44PM0.66m | 9:45AM0.93m | 10:41PM0.69m | ||||||||||||||||||
Low Tide | 1:19AM0.07m | 3:00PM0.02m | 2:12AM0.12m | 3:43PM0.05m | 3:09AM0.19m | 4:25PM0.10m | ||||||||||||||||||
 |  | | | |  | | | |  | | |  | | |  | | | | | | | | | |
 | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | 6:22 |
 | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | 6:19 |
mm | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | — | — | — | — | — | 2 | 3 | — | 1 | — | — | — |
Temp °C | 26 | 26 | 28 | 29 | 29 | 27 | 27 | 27 | 27 | 26 | 28 | 28 | 29 | 28 | 28 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 30 | 33 | 32 | 33 | 31 | 31 | 31 | 32 | 30 | 32 | 31 | 33 | 32 | 32 | 31 | 31 | 30 | 31 | 32 | 32 | 32 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | S 13 | S 13 | S 13 | S 13 | SSE 9 | SSE 9 | SSW 12 | SSE 9 | SSE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 563 | 355 | 660 | 663 | 653 | 119 | 116 | 288 | 143 | 143 | 140 | 159 | 197 | 225 | 193 | 188 | 767 | 864 | 917 | 1087 | 1006 | 979 | 953 | 940 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SW 13 | WNW 8 | WNW 8 | SSW 12 | SW 13 | SSE 9 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 18 | SW 18 | SW 18 | SW 16 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 137 | 134 | 142 | 13 | 13 | 202 | 167 | 111 | 196 | 157 | 157 | 154 | 323 | 323 | 449 | 617 | 188 | 188 | 158 | 158 | 153 | 156 | 156 | 153 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | SW 13 | WNW 8 | W 14 | S 22 | SW 13 | S 12 | WNW 8 | S 12 | SW 20 | S 12 | SSW 18 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 13 | 180 | 13 | 4 | 9 | 109 | 104 | 12 | 46 | 97 | 45 | 223 | 152 | 118 | 118 | 120 | 71 | 20 | 20 | 20 | 20 | 24 | 24 | 24 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 62 | 538 | 3 | 3 | 3 | 0 | 3 | 3 | 233 | 84 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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