Surf Forecasts:
How big are the waves at The Rock today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 5ft (1.5m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 4.5ft (1.4m), 14s period with SSW swell.
- Evening surf: Evening surf (11 Sep, local time) - 3.5ft (1.1m), 19s period with SSW swell.
The current surf forecast for The Rock at 4AM is: 1.5m 16s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a South-southeast direction, 0.7m 6s secondary swell from a West direction (forecast issued at 10:30pm September 10). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 5ft (1.5m) | 15s |
| Afternoon (11 Sep) | 4.5ft (1.4m) | 14s |
| Evening (11 Sep) | 3.5ft (1.1m) | 19s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 29mm), heaviest during Fri night. Warm (max 29°C on Fri morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | ||||||||||||||||
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 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 |
Wave Graph  | ||||||||||||||||||
 kJ | 1219 | 1077 | 1051 | 1012 | 960 | 911 | 773 | 651 | 856 | 1497 | 1432 | 1247 | 1195 | 2162 | 2137 | 2113 | 2113 | 2088 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 2:32AM0.56m | 2:30PM0.54m | 2:56AM0.58m | 2:55PM0.54m | ||||||||||||||
Low Tide | 8:17PM-0.01m | 8:34AM0.04m | 8:40PM-0.03m | 9:01AM0.03m | 9:02PM-0.04m | |||||||||||||
 | | | |  |  | | |  | | | | | | | | |  | |
 | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | — | — | — | — | — | 1 | — | — | 2 | 2 | 2 | 3 | 2 | 3 | 1 | 1 | 2 | — |
Temp °C | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 26 | 26 | 26 | 26 | 27 | 28 | 29 | 28 | 26 | 27 |
Feels °C | 30 | 30 | 30 | 29 | 30 | 30 | 30 | 29 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 28 | 30 |
Swell 1 Height (m) Direction Period (s) | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 19 | SSW 16 | SSW 16 | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 |
| kJ | 1219 | 1077 | 1051 | 1012 | 960 | 911 | 773 | 651 | 651 | 1497 | 1025 | 1051 | 1195 | 2162 | 2137 | 2113 | 2113 | 2088 |
Swell 2 Height (m) Direction Period (s) | W 6 | SSW 24 | SSE 9 | SSE 9 | W 6 | SSW 21 | SSW 21 | SSW 21 | SSW 19 | SSW 14 | SSW 19 | SSW 19 | WSW 6 | SW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 37 | 368 | 32 | 32 | 36 | 871 | 718 | 511 | 856 | 542 | 1432 | 1247 | 118 | 236 | 183 | 140 | 117 | 108 |
Swell 3 Height (m) Direction Period (s) | SSW 24 | SSE 9 | SSW 24 | SSW 24 | SSW 22 | W 6 | S 10 | S 10 | S 10 | S 10 | WSW 6 | WSW 6 | SSW 19 | SSE 9 | — | — | — | — |
| kJ | 218 | 32 | 218 | 217 | 408 | 37 | 67 | 67 | 68 | 71 | 74 | 96 | 990 | 103 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 6 | W 6 | W 6 | W 6 | WNW 6 | WNW 6 | W 6 | W 6 | W 6 | WSW 5 | WSW 6 | WSW 6 | WNW 6 | WNW 6 | WSW 7 | WSW 7 | WSW 7 | W 7 |
| kJ | 50 | 36 | 33 | 33 | 48 | 50 | 36 | 36 | 36 | 39 | 114 | 126 | 59 | 36 | 220 | 181 | 147 | 142 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 22 | 22 | 740 | 369 | 669 | 987 | 987 | 1348 | 303 | 1205 | 1255 | 2 | 22 | 1500 | 1500 | 1500 | 1084 | 22 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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