Surf Forecasts:
How big are the waves at The Rock today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 7ft (2.2m), 15s period with SW 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 (1.4m), 14s period with SSW swell.
The current surf forecast for The Rock at 9AM is: 2.2m 15s primary swell from a Southwest direction and 1.3m 7s secondary swell from a Southwest direction, 1.1m 6s secondary swell from a West-northwest direction (forecast issued at 04:30am September 15). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 7ft (2.2m) | 15s |
| Afternoon (15 Sep) | 4.5ft (1.4m) | 15s |
| Evening (15 Sep) | 4.5ft (1.4m) | 14s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 81mm), heaviest during Tue night. Warm (max 28°C on Tue morning, min 24°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||||
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 15 | SSW 15 | SW 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 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 827 | 838 | 2176 | 860 | 816 | 763 | 752 | 642 | 642 | 633 | 596 | 478 | 662 | 540 | 625 | 554 | 547 | 540 | 1038 | 883 | 795 | 660 | 536 | 557 |
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-on | cross-on | cross-on | cross | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:03AM0.56m | 4:03PM0.48m | 4:23AM0.53m | 4:23PM0.44m | 4:43AM0.49m | 4:39PM0.40m | ||||||||||||||||||
Low Tide | 10:12AM0.06m | 10:05PM0.03m | 10:34AM0.09m | 10:22PM0.08m | 10:55AM0.13m | 10:36PM0.12m | ||||||||||||||||||
 |  |  | |  | | | |  | |  | | |  | | | | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | 1 | — | — | — | — | — | 1 | 2 | 6 | 8 | 7 | 7 | 6 | 3 | 3 | 1 | 1 | 3 | 3 | 4 | 3 | 4 | 8 | 6 |
Temp °C | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 24 |
Feels °C | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 26 | 28 | 28 | 29 | 28 | 27 | 28 | 28 | 29 | 28 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | SW 7 | SSW 13 | SSW 16 | SSW 16 | SW 6 | SSW 6 | SSW 14 | SSW 7 |
| kJ | 373 | 308 | 2176 | 860 | 816 | 763 | 752 | 642 | 642 | 633 | 596 | 212 | 225 | 225 | 179 | 127 | 118 | 507 | 1038 | 883 | 153 | 137 | 536 | 125 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SW 7 | SSW 22 | S 9 | S 8 | SW 6 | WSW 6 | SSW 7 | SSW 19 | SSW 19 | SSW 14 | SSW 14 | SSW 13 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | WSW 7 | SSW 6 | SSW 15 | SSW 14 | SSW 6 | SSW 14 |
| kJ | 827 | 838 | 194 | 45 | 56 | 50 | 153 | 100 | 75 | 292 | 277 | 478 | 390 | 384 | 625 | 554 | 547 | 540 | 62 | 110 | 795 | 660 | 113 | 557 |
Swell 3 Height (m) Direction Period (s) | S 24 | S 24 | SE 9 | SSW 22 | SSW 21 | SSW 21 | SSW 21 | S 8 | SSW 19 | SSE 8 | S 8 | SSW 18 | SSW 18 | SSW 18 | SSW 13 | SSW 13 | SSW 13 | WSW 7 | SSW 6 | W 6 | SSW 21 | SSW 21 | SSW 21 | W 6 |
| kJ | 11 | 11 | 12 | 45 | 90 | 90 | 89 | 44 | 391 | 7 | 22 | 448 | 662 | 540 | 303 | 298 | 361 | 83 | 48 | 52 | 45 | 45 | 44 | 47 |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 8 | WNW 6 | SW 7 | WSW 7 | WSW 6 | WSW 6 | WNW 6 | WSW 6 | SW 6 | WSW 6 | WSW 7 | WSW 7 | — | — | — | SW 7 | SW 6 | SW 6 | SW 6 | SSW 6 | — | W 6 | SW 6 |
| kJ | 441 | 389 | 101 | 240 | 166 | 140 | 149 | 50 | 60 | 132 | 141 | 278 | 264 | — | — | — | 189 | 183 | 194 | 202 | 136 | — | 36 | 200 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 147 | 15 | 147 | 147 | 1500 | 901 | 2 | 15 | 22 | 128 | 147 | 192 | 15 | 2 | 6 | 15 | 15 | 22 | 875 | 369 | 15 | 15 | 764 | 15 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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