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 1PM is: 1.5m 15s primary swell from a South direction and 0.6m 18s secondary swell from a South direction, 1.1m 7s secondary swell from a West direction (forecast issued at 04:30am 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 27mm), heaviest during Mon afternoon. Warm (max 28°C on Sun afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||||||||||
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 | 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 | 724 | 724 | 421 | 427 | 957 | 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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 00:30AM0.27m | 12:22PM0.43m | 1:20AM0.33m | 1:14PM0.47m | 1:54AM0.40m | 1:51PM0.51m | ||||||||||||||||||
Low Tide | 5:06AM0.22m | 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 | 3 | 2 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
Temp °C | 26 | 26 | 27 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 |
Feels °C | 27 | 28 | 29 | 27 | 29 | 28 | 28 | 29 | 28 | 29 | 29 | 28 | 27 | 27 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 16 | W 7 | W 7 | S 11 | S 15 | S 15 | S 17 | S 12 | 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 |
| kJ | 724 | 148 | 126 | 319 | 957 | 984 | 849 | 464 | 464 | 464 | 390 | 326 | 332 | 501 | 855 | 818 | 683 | 683 | 663 | 643 | 613 | 575 | 480 | 472 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 16 | S 11 | W 7 | S 18 | W 8 | S 11 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 10 | W 6 | W 6 | S 21 | S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 |
| kJ | 272 | 724 | 319 | 107 | 230 | 125 | 326 | 522 | 516 | 503 | 471 | 537 | 435 | 194 | 92 | 62 | 874 | 799 | 932 | 922 | 1059 | 930 | 909 | 899 |
Swell 3 Height (m) Direction Period (s) | — | S 10 | SSW 16 | SSW 16 | S 26 | S 18 | W 8 | W 8 | W 8 | W 8 | W 8 | SSW 23 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | W 9 | W 9 | W 9 | SSW 13 | W 9 | SSW 18 | W 10 | W 6 |
| kJ | — | 264 | 421 | 427 | 13 | 307 | 132 | 109 | 109 | 132 | 102 | 422 | 373 | 485 | 616 | 599 | 42 | 41 | 60 | 282 | 64 | 399 | 67 | 38 |
Wind waves Height (m) Direction Period (s) | WSW 6 | W 6 | — | WNW 8 | W 7 | W 8 | — | — | W 8 | — | — | W 7 | W 7 | W 6 | W 6 | W 9 | WSW 6 | W 6 | W 6 | W 9 | W 6 | W 9 | W 6 | W 10 |
| kJ | 165 | 206 | — | 178 | 111 | 190 | — | — | 169 | — | — | 93 | 91 | 79 | 126 | 251 | 58 | 42 | 31 | 170 | 41 | 175 | 39 | 273 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 374 | 22 | 193 | 186 | 1084 | 192 | 15 | 193 | 193 | 740 | 193 | 192 | 786 | 374 | 22 | 22 | 22 | 22 | 193 | 193 | 790 | 374 | 193 | 15 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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