Surf Forecasts:
How big are the waves at The Rock today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 3ft (0.9m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 5ft (1.5m), 15s period with S swell.
- Evening surf: Evening surf (09 Aug, local time) - 4ft (1.2m), 17s period with S swell.
The current surf forecast for The Rock at 6PM is: 1.5m 15s primary swell from a South direction and 1.1m 7s secondary swell from a West direction, 1.2m 8s secondary swell from a West direction (forecast issued at 10:30am August 09). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 3ft (0.9m) | 16s |
| Afternoon (09 Aug) | 5ft (1.5m) | 15s |
| Evening (09 Aug) | 4ft (1.2m) | 17s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 33mm), heaviest during Tue night. Warm (max 28°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||||||||
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) | SSW 16 | SSW 16 | S 15 | S 15 | S 17 | S 16 | 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 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 421 | 427 | 1087 | 984 | 849 | 522 | 516 | 503 | 471 | 537 | 435 | 501 | 855 | 818 | 874 | 799 | 932 | 922 | 1059 | 930 | 909 | 899 |
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 | cross | cross | cross-on | cross-on | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross |
High Tide | 12:22PM0.43m | 1:20AM0.33m | 1:14PM0.47m | 1:54AM0.40m | 1:51PM0.51m | |||||||||||||||||
Low Tide | 7:27PM0.15m | 6:45AM0.18m | 7:53PM0.10m | 7:36AM0.13m | 8:19PM0.05m | |||||||||||||||||
 | | | |  | | | | | | | | | | | | | | | | | | |
 | 6:03 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 |
Temp °C | 27 | 27 | 28 | 27 | 26 | 26 | 26 | 25 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 |
Feels °C | 28 | 27 | 29 | 28 | 28 | 29 | 28 | 27 | 28 | 28 | 27 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 27 | 29 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | W 7 | S 11 | S 15 | S 15 | S 17 | S 12 | S 12 | S 12 | S 12 | S 15 | S 11 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 |
| kJ | 126 | 319 | 1087 | 984 | 849 | 464 | 464 | 464 | 383 | 537 | 332 | 501 | 855 | 818 | 683 | 683 | 663 | 643 | 613 | 575 | 480 | 472 |
Swell 2 Height (m) Direction Period (s) | S 11 | SSW 16 | W 7 | W 7 | S 11 | W 8 | S 16 | S 16 | S 15 | S 11 | S 15 | S 10 | W 6 | SSW 21 | S 21 | S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 |
| kJ | 319 | 427 | 107 | 107 | 274 | 135 | 516 | 503 | 471 | 272 | 435 | 194 | 75 | 599 | 874 | 799 | 932 | 922 | 1059 | 930 | 909 | 899 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | S 13 | S 18 | S 18 | W 7 | S 16 | W 8 | W 8 | W 8 | SSW 23 | SSW 22 | SSW 22 | SSW 22 | W 9 | WSW 6 | W 6 | W 9 | SSW 13 | SSW 12 | SSW 18 | W 10 | W 6 |
| kJ | 421 | 163 | 230 | 307 | 89 | 522 | 109 | 132 | 102 | 422 | 373 | 485 | 616 | 60 | 58 | 41 | 134 | 282 | 208 | 399 | 67 | 39 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 8 | WNW 8 | W 8 | — | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 9 | W 6 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 6 | — |
| kJ | 186 | 120 | 206 | 192 | 190 | — | 169 | 165 | 190 | 117 | 93 | 104 | 256 | 47 | 212 | 212 | 251 | 166 | 173 | 211 | 52 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 193 | 186 | 193 | 192 | 15 | 22 | 193 | 22 | 193 | 192 | 779 | 875 | 15 | 22 | 193 | 193 | 740 | 669 | 875 | 374 | 374 | 22 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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