Surf Forecasts:
How big are the waves at The Rock today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 3.5ft (1.0m), 15s period with S swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 2.5ft (0.7m), 22s period with SSW swell.
- Evening surf: Evening surf (10 Aug, local time) - 5ft (1.5m), 14s period with S swell.
The current surf forecast for The Rock at 12PM is: 1.1m 15s primary swell from a South direction and 1.1m 11s secondary swell from a South direction, 1.1m 7s secondary swell from a West direction (forecast issued at 04:30am August 10). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 3.5ft (1.0m) | 15s |
| Afternoon (10 Aug) | 2.5ft (0.7m) | 22s |
| Evening (10 Aug) | 5ft (1.5m) | 14s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), heaviest during Tue night. Warm (max 27°C on Mon morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||||||||||
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 | 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 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 21 | S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | SSW 16 | S 11 | S 11 | S 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 516 | 503 | 471 | 537 | 435 | 593 | 855 | 818 | 874 | 799 | 932 | 922 | 1059 | 930 | 909 | 899 | 733 | 552 | 535 | 529 | 427 | 350 | 338 | 326 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | 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 | cross-on | cross-on |
High Tide | 1:20AM0.33m | 1:14PM0.47m | 1:54AM0.40m | 1:51PM0.51m | 2:26AM0.46m | 2:23PM0.54m | ||||||||||||||||||
Low Tide | 6:45AM0.18m | 7:53PM0.10m | 7:36AM0.13m | 8:19PM0.05m | 8:15AM0.09m | 8:45PM0.01m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 1 | 2 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 |
Temp °C | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 11 | S 11 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 |
| kJ | 464 | 464 | 383 | 274 | 279 | 593 | 855 | 818 | 694 | 683 | 663 | 643 | 613 | 496 | 480 | 472 | 464 | 387 | 456 | 383 | 369 | 350 | 338 | 326 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 15 | S 15 | S 15 | S 10 | W 9 | W 9 | S 21 | S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | W 9 | W 9 | SSW 16 | W 9 | W 9 | W 9 |
| kJ | 516 | 503 | 471 | 537 | 435 | 194 | 159 | 166 | 874 | 799 | 932 | 922 | 1059 | 930 | 909 | 899 | 733 | 552 | 175 | 175 | 427 | 171 | 162 | 132 |
Swell 3 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | SSW 23 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | W 9 | W 9 | S 20 | SSW 13 | W 9 | SSW 18 | W 6 | W 6 | W 6 | W 6 | S 16 | S 16 | S 12 | SSW 16 | SSW 16 | SSW 15 |
| kJ | 109 | 107 | 129 | 422 | 373 | 485 | 616 | 599 | 61 | 61 | 618 | 282 | 63 | 399 | 39 | 39 | 39 | 29 | 535 | 529 | 139 | 337 | 329 | 292 |
Wind waves Height (m) Direction Period (s) | W 8 | — | — | W 7 | W 7 | W 7 | W 9 | W 9 | W 6 | W 6 | W 9 | W 9 | W 6 | W 9 | — | — | — | WSW 5 | — | W 10 | W 9 | WNW 9 | — | — |
| kJ | 165 | — | — | 99 | 114 | 107 | 256 | 251 | 41 | 39 | 134 | 166 | 41 | 175 | — | — | — | 66 | — | 279 | 170 | 225 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 22 | 22 | 193 | 193 | 875 | 875 | 374 | 193 | 193 | 369 | 369 | 669 | 779 | 374 | 875 | 22 | 22 | 22 | 369 | 669 | 764 | 764 | 15 | 15 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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