Surf Forecasts:
How big are the waves at The Rock today (22 Aug):
- Afternoon surf: Afternoon surf (22 Aug, local time) - 4ft (1.2m), 15s period with S swell.
- Evening surf: Evening surf (22 Aug, local time) - 4ft (1.2m), 14s period with S swell.
The current surf forecast for The Rock at 8PM is: 1.2m 15s primary swell from a South direction and 1.0m 10s secondary swell from a South direction, 1.1m 6s secondary swell from a West direction (forecast issued at 04:30pm August 22). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | - | - |
| Afternoon (22 Aug) | 4ft (1.2m) | 15s |
| Evening (22 Aug) | 4ft (1.2m) | 14s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Tue morning. Warm (max 28°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | ||||||||||||||||||
2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | S 16 | S 16 | S 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 636 | 636 | 627 | 585 | 480 | 487 | 487 | 736 | 513 | 506 | 498 | 498 | 490 | 522 | 522 | 408 | 437 | 529 | 529 | 522 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on |
High Tide | 2:42AM0.29m | 12:36PM0.37m | 1:45AM0.33m | 1:06PM0.42m | ||||||||||||||||
Low Tide | 8:20PM0.22m | 6:07AM0.27m | 7:39PM0.17m | 6:55AM0.22m | 7:46PM0.13m | |||||||||||||||
 |  |  | | | | | |  | |  | | | | |  | | | | | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 |
Temp °C | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 28 | 28 | 29 | 29 | 27 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 10 | S 10 | SW 10 | S 16 | S 16 |
| kJ | 636 | 636 | 627 | 585 | 480 | 487 | 487 | 736 | 513 | 506 | 498 | 498 | 490 | 468 | 432 | 151 | 151 | 299 | 529 | 522 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 21 | S 21 | S 20 | S 19 | S 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | S 16 | SSW 10 | S 10 |
| kJ | 269 | 218 | 206 | 186 | 151 | 186 | 151 | 233 | 218 | 276 | 369 | 361 | 422 | 522 | 522 | 408 | 437 | 529 | 210 | 148 |
Swell 3 Height (m) Direction Period (s) | S 26 | S 26 | S 24 | S 24 | S 24 | S 22 | S 21 | WNW 11 | — | WNW 11 | S 16 | W 10 | W 10 | WNW 10 | WNW 10 | S 12 | S 12 | S 12 | W 6 | S 12 |
| kJ | 13 | 13 | 44 | 97 | 173 | 83 | 233 | 12 | — | 11 | 20 | 8 | 17 | 33 | 32 | 144 | 141 | 141 | 33 | 103 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | W 6 | W 6 | WNW 10 | W 10 | W 6 |
| kJ | 106 | 113 | 94 | 94 | 92 | 85 | 83 | 83 | 94 | 101 | 104 | 101 | 80 | 80 | 66 | 41 | 41 | 167 | 200 | 38 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 192 | 875 | 374 | 193 | 193 | 193 | 193 | 192 | 875 | 875 | 763 | 763 | 194 | 193 | 193 | 192 | 774 | 774 | 763 | 193 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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