Surf Forecasts:
How big are the waves at The Rock today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 4.5ft (1.4m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 4.5ft (1.4m), 15s period with SSW swell.
- Evening surf: Evening surf (15 Sep, local time) - 4.5ft (1.3m), 14s period with SSW swell.
The current surf forecast for The Rock at 4AM is: 1.4m 15s primary swell from a South-southwest direction and 1.8m 8s secondary swell from a Southwest direction, 2.0m 8s secondary swell from a West-southwest direction (forecast issued at 04:30pm September 14). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 4.5ft (1.4m) | 15s |
| Afternoon (15 Sep) | 4.5ft (1.4m) | 15s |
| Evening (15 Sep) | 4.5ft (1.3m) | 14s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 46mm), heaviest during Tue night. Warm (max 28°C on Mon afternoon, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||
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 17 | SSW 17 | SSW 17 | SSW 17 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 711 | 711 | 1048 | 1048 | 827 | 838 | 860 | 860 | 816 | 763 | 651 | 642 | 613 | 605 | 507 | 478 | 662 | 540 | 625 | 554 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on |
High Tide | 3:42PM0.51m | 4:03AM0.56m | 4:03PM0.48m | 4:23AM0.53m | 4:23PM0.44m | |||||||||||||||
Low Tide | 9:45PM-0.00m | 10:12AM0.06m | 10:05PM0.03m | 10:34AM0.09m | 10:22PM0.08m | |||||||||||||||
 |  |  | | |  |  | | | | | |  | | | | |  | | | |
 | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | 1 | — | 2 | 3 | 1 | — | — | — | — | — | 1 | 4 | 6 | 11 | 4 | 4 | 3 | 1 | — | — |
Temp °C | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 24 | 25 | 24 | 25 | 25 | 25 | 25 |
Feels °C | 29 | 27 | 29 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 26 | 27 | 26 | 28 | 27 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SSW 15 | SSW 15 | SSW 14 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
| kJ | 451 | 527 | 437 | 383 | 373 | 406 | 354 | 860 | 816 | 763 | 210 | 194 | 189 | 189 | 218 | 209 | 237 | 215 | 203 | 118 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 15 | SSW 15 | SSW 15 | SSW 22 | SSW 8 | SSW 21 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 17 | SSW 16 |
| kJ | 711 | 711 | 1048 | 1048 | 827 | 838 | 860 | 45 | 32 | 90 | 651 | 642 | 613 | 605 | 507 | 478 | 465 | 384 | 625 | 554 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SSW 13 | SSE 9 | SSE 9 | S 24 | S 24 | SW 23 | SSW 22 | S 9 | SSE 9 | SSW 21 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 13 | SSW 13 |
| kJ | 19 | 204 | 8 | 8 | 11 | 11 | 20 | 45 | 39 | 8 | 89 | 214 | 391 | 292 | 277 | 448 | 662 | 540 | 303 | 298 |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | SW 7 | WSW 7 | SW 7 | WSW 7 | WSW 7 | — | — | — | — | WSW 7 | WSW 7 | — | SW 7 |
| kJ | 336 | 627 | 547 | 475 | 506 | 471 | 417 | 281 | 166 | 227 | 256 | 222 | — | — | — | — | 297 | 243 | — | 183 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 968 | 147 | 2 | 147 | 15 | 15 | 128 | 147 | 875 | 968 | 128 | 15 | 22 | 2 | 10 | 147 | 6 | 15 | 15 | 15 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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