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) - 3.5ft (1.1m), 17s period with S swell.
The current surf forecast for The Rock at 1AM is: 1.2m 16s primary swell from a South direction and 1.1m 11s secondary swell from a South direction, 1.4m 6s secondary swell from a West-southwest direction (forecast issued at 10:30pm August 08). 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) | 3.5ft (1.1m) | 17s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Sat night. Warm (max 28°C on Sun afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | ||||||||||||||||
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 16 | 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 |
Wave Graph  | ||||||||||||||||||
 kJ | 662 | 836 | 724 | 724 | 421 | 427 | 957 | 984 | 849 | 522 | 516 | 503 | 471 | 537 | 435 | 593 | 855 | 818 |
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 | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross-on |
High Tide | 00:30AM0.27m | 12:22PM0.43m | 1:20AM0.33m | 1:14PM0.47m | ||||||||||||||
Low Tide | 7:02PM0.21m | 5:06AM0.22m | 7:27PM0.15m | 6:45AM0.18m | 7:53PM0.10m | |||||||||||||
 | | |  |  |  |  | | |  | | | | | | | | | |
 | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | 2 | 2 | 3 | 2 | 1 | 1 | — | 1 | 1 | — | — | 1 | — | 1 | 1 | 1 | 1 | 1 |
Temp °C | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 27 | 27 | 27 | 28 | 29 | 27 | 29 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 27 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 16 | S 16 | W 7 | W 7 | S 11 | S 15 | S 15 | S 11 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 14 | S 14 | S 14 |
| kJ | 662 | 836 | 724 | 148 | 124 | 319 | 957 | 984 | 332 | 464 | 464 | 464 | 390 | 274 | 332 | 593 | 855 | 818 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 16 | S 11 | W 7 | S 18 | W 7 | S 17 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 10 | W 6 | W 6 |
| kJ | 274 | 272 | 272 | 724 | 319 | 107 | 230 | 104 | 849 | 522 | 516 | 503 | 471 | 537 | 435 | 194 | 76 | 74 |
Swell 3 Height (m) Direction Period (s) | S 18 | — | — | 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 |
| kJ | 224 | — | — | 264 | 421 | 427 | 13 | 307 | 138 | 112 | 109 | 132 | 102 | 422 | 373 | 485 | 616 | 599 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | W 7 | — | W 8 | W 7 | WNW 8 | W 8 | — | W 8 | W 8 | W 8 | W 7 | W 7 | W 6 | W 9 | W 9 |
| kJ | 160 | 160 | 165 | 225 | — | 172 | 111 | 202 | 200 | — | 169 | 165 | 161 | 94 | 114 | 101 | 256 | 256 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 1361 | 1361 | 193 | 369 | 193 | 193 | 193 | 192 | 193 | 192 | 10 | 22 | 193 | 193 | 193 | 193 | 763 | 374 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||
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