Surf Forecasts:
How big are the waves at The Rock today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6ft (1.9m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 6ft (1.8m), 14s period with SSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 6ft (1.8m), 14s period with SSW swell.
The current surf forecast for The Rock at 5PM is: 1.8m 14s primary swell from a South-southwest direction and 0.3m 18s secondary swell from a South direction, 1.3m 6s secondary swell from a West-southwest direction (forecast issued at 10:30am September 20). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6ft (1.9m) | 15s |
| Afternoon (20 Sep) | 6ft (1.8m) | 14s |
| Evening (20 Sep) | 6ft (1.8m) | 14s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 88mm), heaviest during Sun morning. Warm (max 28°C on Mon morning, min 26°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||
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 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | S 12 | S 12 | S 12 | S 12 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 1479 | 1613 | 1439 | 1382 | 1223 | 1224 | 492 | 465 | 378 | 378 | 700 | 591 | 582 | 573 | 282 | 273 | 256 | 198 | 359 | 344 | 344 | 339 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | 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 |
High Tide | 12:21PM0.30m | 2:29AM0.31m | 12:20PM0.35m | 1:23AM0.35m | 12:41PM0.41m | |||||||||||||||||
Low Tide | 11:26AM0.30m | 7:53PM0.22m | 6:43AM0.28m | 7:07PM0.17m | 6:46AM0.22m | 7:10PM0.12m | ||||||||||||||||
 | |  | |  | | | | | | | | | | | | | | | | | | |
 | 5:58 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | 9 | 8 | 5 | 4 | 4 | 1 | 4 | 3 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 3 | 2 | 3 | 2 | 3 | 2 | 3 |
Temp °C | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 28 | 27 | 26 | 27 | 27 | 28 | 27 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 11 | S 11 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 1479 | 1613 | 1439 | 1382 | 1223 | 1224 | 326 | 326 | 378 | 378 | 700 | 591 | 582 | 573 | 282 | 273 | 256 | 198 | 359 | 344 | 344 | 339 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | S 18 | S 18 | SSW 17 | SSW 14 | SSW 14 | S 11 | S 10 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | S 10 | S 10 | S 10 | S 10 | SSW 18 | SSW 18 | SSW 17 | SSW 17 |
| kJ | 6 | 6 | 6 | 56 | 56 | 101 | 492 | 465 | 223 | 161 | 38 | 36 | 67 | 65 | 156 | 118 | 118 | 118 | 257 | 240 | 300 | 304 |
Swell 3 Height (m) Direction Period (s) | W 9 | S 20 | S 19 | ESE 8 | S 22 | ESE 8 | S 21 | ESE 8 | ESE 8 | SSW 20 | ESE 8 | SSW 19 | ESE 8 | S 13 | SSW 18 | S 18 | S 18 | S 18 | SSW 17 | SSW 12 | SW 12 | SSW 12 |
| kJ | 2 | 30 | 28 | 6 | 9 | 6 | 9 | 6 | 6 | 37 | 6 | 70 | 6 | 31 | 106 | 158 | 156 | 158 | 237 | 96 | 69 | 96 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | WSW 7 |
| kJ | 132 | 130 | 160 | 134 | 112 | 88 | 89 | 112 | 144 | 125 | 121 | 123 | 142 | 145 | 150 | 150 | 155 | 175 | 175 | 203 | 234 | 249 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 369 | 193 | 875 | 192 | 192 | 193 | 193 | 193 | 193 | 192 | 193 | 875 | 193 | 193 | 193 | 193 | 193 | 192 | 740 | 875 | 875 | 875 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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