Surf Forecasts:
How big are the waves at The Rock today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 4.5ft (1.4m), 15s period with S swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.3m), 14s period with S swell.
- Evening surf: Evening surf (21 Jul, local time) - 4.5ft (1.3m), 14s period with S swell.
The current surf forecast for The Rock at 3PM is: 1.3m 14s primary swell from a South direction and 0.7m 9s secondary swell from a West direction, 0.8m 6s secondary swell from a West direction (forecast issued at 10:30am July 21). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 4.5ft (1.4m) | 15s |
| Afternoon (21 Jul) | 4.5ft (1.3m) | 14s |
| Evening (21 Jul) | 4.5ft (1.3m) | 14s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Warm (max 29°C on Tue morning, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||
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 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 12 | S 12 | W 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 871 | 847 | 713 | 703 | 694 | 577 | 529 | 513 | 506 | 421 | 421 | 225 | 215 | 155 | 141 | 120 | 118 | 118 | 118 | 210 | 210 | 210 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:35AM0.44m | 6:03PM0.37m | 7:16AM0.41m | 6:35PM0.32m | 8:19AM0.38m | 7:33PM0.27m | ||||||||||||||||
Low Tide | 12:34PM0.20m | 00:25AM0.13m | 1:28PM0.24m | 00:56AM0.18m | 3:36PM0.26m | |||||||||||||||||
 |  | | |  | |  |  | | | | | | | | |  | | | | | | |
 | 6:01 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Temp °C | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 26 | 27 | 29 | 29 | 28 | 27 | 27 |
Feels °C | 30 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 28 | 29 | 31 | 31 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | SSW 13 | S 10 | S 10 | W 10 | W 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 871 | 847 | 713 | 703 | 694 | 577 | 529 | 513 | 506 | 421 | 421 | 225 | 116 | 117 | 122 | 120 | 118 | 118 | 118 | 210 | 210 | 210 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | S 9 | S 9 | S 9 | SW 18 | W 9 | W 9 | W 9 | W 9 | S 10 | SSW 13 | SSW 12 | S 10 | S 10 | S 12 | S 12 | W 9 | W 9 | W 9 | W 9 |
| kJ | 85 | 83 | 81 | 57 | 55 | 55 | 12 | 125 | 122 | 119 | 55 | 90 | 215 | 155 | 116 | 118 | 103 | 103 | 106 | 104 | 59 | 74 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | — | SE 8 | SE 8 | SE 8 | SE 8 | SW 18 | SE 8 | SE 8 | SE 8 | W 9 | SW 16 | W 10 | S 12 | S 12 | W 9 | W 9 | S 12 | SSW 15 | SSW 15 | SSW 16 |
| kJ | 16 | 16 | — | 16 | 16 | 16 | 16 | 12 | 16 | 16 | 21 | 55 | 10 | 19 | 141 | 104 | 63 | 61 | 71 | 42 | 89 | 142 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 9 | W 9 | W 9 | W 9 | — | W 5 | W 5 | W 5 | W 5 | W 9 | W 8 | W 4 | W 4 | W 5 | W 5 | SW 4 | SW 4 | W 5 | W 5 |
| kJ | 38 | 41 | 42 | 164 | 160 | 130 | 127 | — | 33 | 29 | 21 | 21 | 94 | 69 | 18 | 17 | 16 | 18 | 3 | 3 | 15 | 14 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 192 | 186 | 763 | 763 | 374 | 374 | 22 | 22 | 22 | 763 | 763 | 764 | 22 | 15 | 22 | 15 | 369 | 669 | 764 | 764 | 15 | 374 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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