Surf Forecasts:
How big are the waves at Thunders today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 7ft (2.2m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 7ft (2.1m), 16s period with SSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 6.5ft (2.0m), 15s period with SSW swell.
The current surf forecast for Thunders at 5AM is: 2.2m 16s primary swell from a Southwest direction and 0.2m 8s secondary swell from a West-northwest direction, 1.2m 6s secondary swell from a South-southeast direction (forecast issued at 12:00am September 20). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 7ft (2.2m) | 16s |
| Afternoon (20 Sep) | 7ft (2.1m) | 16s |
| Evening (20 Sep) | 6.5ft (2.0m) | 15s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Sat night. Warm (max 28°C on Tue morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 14 | S 13 | S 13 | SSW 13 | S 13 | SSW 13 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2320 | 2291 | 2291 | 2262 | 2151 | 2123 | 1809 | 1648 | 1913 | 1826 | 1748 | 1680 | 1576 | 833 | 1303 | 1155 | 581 | 971 | 455 | 549 | 768 | 1026 | 1735 | 1421 |
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 | cross-on |
High Tide | 11:36PM0.68m | 12:04PM0.36m | 1:20AM0.66m | 3:13PM0.40m | 2:48AM0.70m | 4:06PM0.48m | ||||||||||||||||||
Low Tide | 7:47AM0.34m | 4:32PM0.31m | 9:55AM0.30m | 6:45PM0.36m | 10:19AM0.25m | 8:51PM0.34m | ||||||||||||||||||
 | |  |  | | |  |  | | | | | | | | | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | 1 | 3 | 1 | — | 2 | — | — | — | — | 2 | 1 | 1 | 3 | 1 | — | — | — | — | — | — | 2 | 1 | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 27 | 27 | 26 | 27 |
Feels °C | 27 | 26 | 27 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 27 | 28 | 28 | 27 | 28 | 30 | 29 | 29 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 14 | SW 19 | S 13 | SSW 13 | S 13 | SSW 13 | SSW 13 | SW 12 | S 12 | SSW 18 | SSW 17 |
| kJ | 2320 | 2291 | 2291 | 2262 | 2151 | 2123 | 1809 | 1648 | 1913 | 1826 | 1748 | 1680 | 1576 | 833 | 96 | 1155 | 581 | 971 | 444 | 430 | 358 | 681 | 1735 | 1421 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | SSW 20 | W 15 | SW 19 | SSW 18 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 12 | SSW 12 |
| kJ | 12 | 12 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 20 | 20 | 37 | 18 | 93 | 134 | 231 | 455 | 549 | 768 | 1026 | 180 | 184 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 21 | S 21 | SW 20 | SW 20 | W 16 | W 15 | W 15 | W 15 | W 15 | NW 9 | NW 9 | NW 9 | WNW 14 | WNW 9 | NW 8 |
| kJ | — | — | — | — | — | — | — | — | — | 9 | 9 | 16 | 15 | 19 | 18 | 17 | 17 | 4 | 3 | 3 | 3 | 20 | 7 | 3 |
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 | SE 7 | SE 7 | SSE 7 | SSE 7 | S 13 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 7 | SSE 8 | SSE 8 |
| kJ | 82 | 87 | 91 | 97 | 104 | 107 | 88 | 88 | 96 | 78 | 135 | 163 | 154 | 162 | 1303 | 167 | 139 | 148 | 143 | 157 | 151 | 134 | 131 | 159 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 62 | 62 | 168 | 168 | 551 | 62 | 135 | 32 | 32 | 32 | 127 | 62 | 62 | 135 | 62 | 135 | 32 | 135 | 32 | 32 | 32 | 62 | 62 | 135 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Thunders surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest