Surf Forecasts:
How big are the waves at The Rock today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 3ft (0.9m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 3.5ft (1.0m), 17s period with SSW swell.
- Evening surf: Evening surf (31 Jul, local time) - 3ft (0.9m), 18s period with SSW swell.
The current surf forecast for The Rock at 1PM is: 0.9m 16s primary swell from a South-southwest direction and 0.7m 11s secondary swell from a South direction, 1.5m 7s secondary swell from a West direction (forecast issued at 04:30am July 31). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 3ft (0.9m) | 16s |
| Afternoon (31 Jul) | 3.5ft (1.0m) | 17s |
| Evening (31 Jul) | 3ft (0.9m) | 18s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 64mm), heaviest during Sat morning. Warm (max 28°C on Fri morning, min 25°C on Sat morning). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||||||||||
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) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | W 9 | W 8 | W 8 | WSW 8 | WSW 9 | W 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 407 | 407 | 407 | 397 | 397 | 729 | 459 | 454 | 589 | 665 | 695 | 867 | 976 | 1121 | 1097 | 1016 | 819 | 727 | 683 | 568 | 850 | 1180 | 1323 | 1104 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 3:35AM0.48m | 3:29PM0.55m | 4:00AM0.50m | 3:54PM0.54m | 4:27AM0.52m | 4:20PM0.52m | ||||||||||||||||||
Low Tide | 9:23AM0.08m | 9:50PM-0.00m | 9:52AM0.07m | 10:13PM-0.01m | 10:22AM0.08m | 10:36PM0.00m | ||||||||||||||||||
 | |  | | | | | | | |  | | |  |  | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 3 | 3 | 6 | 6 | 1 | 1 | 3 | 3 | 4 | 5 | 2 | 3 | 2 | 1 | 1 | 3 |
Temp °C | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 27 | 26 |
Feels °C | 27 | 27 | 28 | 29 | 28 | 27 | 28 | 28 | 26 | 26 | 25 | 23 | 25 | 26 | 25 | 24 | 24 | 23 | 24 | 24 | 24 | 25 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 8 | SSW 8 | SSW 8 | SSW 14 | SSW 14 | SSW 8 |
| kJ | 407 | 407 | 407 | 397 | 397 | 729 | 459 | 454 | 589 | 665 | 597 | 582 | 582 | 575 | 561 | 519 | 417 | 381 | 155 | 199 | 186 | 297 | 301 | 135 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | S 12 | S 11 | S 11 | S 11 | S 11 | SSW 15 | SSW 15 | S 10 | S 9 | S 10 | SSW 8 | S 9 | S 10 | S 10 | SE 10 | S 9 | SSE 9 | SSW 15 | SSW 14 | SSW 14 | SSW 18 | S 18 | SSW 17 |
| kJ | 186 | 132 | 125 | 121 | 119 | 112 | 196 | 191 | 71 | 64 | 65 | 20 | 60 | 46 | 70 | 14 | 45 | 8 | 305 | 301 | 297 | 249 | 162 | 522 |
Swell 3 Height (m) Direction Period (s) | W 9 | SE 10 | SSW 20 | SSW 20 | SE 10 | SE 10 | S 11 | S 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 10 | SSE 9 | S 9 | SSW 19 | SSW 19 | S 18 | SE 9 | SW 18 | S 18 |
| kJ | 41 | 50 | 221 | 298 | 50 | 51 | 114 | 71 | 27 | 25 | 25 | 25 | 24 | 24 | 15 | 30 | 8 | 25 | 122 | 120 | 167 | 21 | 82 | 99 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | W 9 | W 8 | W 8 | WSW 8 | WSW 9 | W 9 |
| kJ | 144 | 206 | 219 | 225 | 231 | 255 | 277 | 345 | 395 | 481 | 695 | 867 | 976 | 1121 | 1097 | 1016 | 819 | 727 | 683 | 568 | 850 | 1180 | 1323 | 1104 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 194 | 193 | 193 | 192 | 192 | 192 | 1801 | 193 | 193 | 186 | 186 | 186 | 374 | 192 | 186 | 186 | 186 | 186 | 147 | 147 | 147 | 147 | 147 | 147 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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