Surf Forecasts:
How big are the waves at The Rock today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 3ft (0.9m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 2.5ft (0.8m), 18s period with SSW swell.
- Evening surf: Evening surf (30 Jul, local time) - 3ft (0.9m), 17s period with SSW swell.
The current surf forecast for The Rock at 4PM is: 0.8m 18s primary swell from a South-southwest direction and 0.8m 12s secondary swell from a South-southwest direction, 1.3m 6s secondary swell from a West-southwest direction (forecast issued at 10:30am July 30). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 3ft (0.9m) | 18s |
| Afternoon (30 Jul) | 2.5ft (0.8m) | 18s |
| Evening (30 Jul) | 3ft (0.9m) | 17s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 78mm), heaviest during Sat night. Warm (max 28°C on Thu morning, min 25°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | ||||||||||||||||||||
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 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | 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 | W 8 | WSW 9 | WSW 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 454 | 454 | 356 | 352 | 414 | 412 | 407 | 407 | 407 | 397 | 397 | 729 | 459 | 454 | 705 | 665 | 597 | 582 | 582 | 762 | 1535 | 1787 |
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-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 3:03PM0.55m | 3:35AM0.48m | 3:29PM0.55m | 4:00AM0.50m | 3:54PM0.54m | |||||||||||||||||
Low Tide | 8:54AM0.09m | 9:27PM0.01m | 9:23AM0.08m | 9:50PM-0.00m | 9:52AM0.07m | 10:13PM-0.01m | ||||||||||||||||
 | | | |  | | | | | | | | | | | | | | | | | | |
 | 6:03 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | 2 | 2 | 1 | 1 | 2 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 2 | 1 | 2 | 3 | 13 |
Temp °C | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 27 | 26 | 25 |
Feels °C | 28 | 30 | 29 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 29 | 28 | 26 | 26 | 26 | 27 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 13 | SSW 13 | SSW 12 | SSW 17 | SSW 16 | 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 |
| kJ | 454 | 222 | 212 | 202 | 414 | 412 | 407 | 407 | 407 | 397 | 397 | 729 | 459 | 454 | 705 | 665 | 597 | 582 | 582 | 575 | 469 | 326 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 18 | SSW 18 | SSW 18 | SSW 12 | SSW 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | SSW 15 | SSW 15 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SE 9 |
| kJ | 229 | 454 | 356 | 352 | 195 | 189 | 177 | 132 | 125 | 121 | 119 | 112 | 193 | 191 | 73 | 70 | 70 | 68 | 66 | 66 | 87 | 55 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | SSW 20 | SSW 20 | W 9 | W 9 | S 11 | S 10 | SSE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 8 | S 10 |
| kJ | 85 | 83 | 83 | 78 | 61 | 43 | 41 | 59 | 304 | 298 | 54 | 39 | 112 | 71 | 41 | 25 | 25 | 25 | 25 | 24 | 35 | 30 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | WSW 9 | WSW 10 |
| kJ | 149 | 153 | 149 | 129 | 144 | 144 | 139 | 149 | 187 | 157 | 157 | 192 | 214 | 214 | 257 | 332 | 365 | 393 | 481 | 762 | 1535 | 1787 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1801 | 1801 | 875 | 875 | 875 | 740 | 194 | 193 | 193 | 192 | 1801 | 193 | 186 | 193 | 193 | 186 | 186 | 369 | 374 | 186 | 186 | 186 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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