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 6PM is: 1.3m 14s primary swell from a South-southwest direction and 0.9m 21s secondary swell from a South-southwest direction, 0.8m 6s secondary swell from a West direction (forecast issued at 10:30am September 11). The wind direction is predicted to be cross-onshore.
| 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 26mm), heaviest during Fri night. Warm (max 29°C on Fri morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||||||||
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 21 | SSW 14 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 960 | 911 | 871 | 651 | 856 | 1417 | 1432 | 1247 | 990 | 1952 | 2137 | 2113 | 2113 | 2088 | 1779 | 1411 | 1393 | 1331 | 1068 | 1028 | 1223 | 822 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross |
High Tide | 2:30PM0.54m | 2:56AM0.58m | 2:55PM0.54m | 3:20AM0.59m | 3:19PM0.53m | |||||||||||||||||
Low Tide | 8:34AM0.04m | 8:40PM-0.03m | 9:01AM0.03m | 9:02PM-0.04m | 9:26AM0.03m | 9:24PM-0.03m | ||||||||||||||||
 | |  |  |  | | | | | | | | | | | | | | | | | | |
 | 6:00 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | — | — | — | 1 | 2 | 2 | 1 | 1 | 2 | 1 | 1 | — | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 |
Temp °C | 28 | 29 | 29 | 27 | 26 | 26 | 26 | 26 | 27 | 29 | 29 | 28 | 27 | 26 | 27 | 26 | 28 | 29 | 28 | 27 | 26 | 26 |
Feels °C | 30 | 30 | 30 | 29 | 28 | 27 | 29 | 29 | 30 | 31 | 30 | 30 | 30 | 29 | 29 | 28 | 30 | 30 | 29 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 19 | SSW 16 | SSW 16 | SW 8 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 7 |
| kJ | 960 | 911 | 773 | 651 | 651 | 1417 | 1025 | 1051 | 341 | 1952 | 2137 | 2113 | 2113 | 2088 | 1779 | 1411 | 1393 | 1331 | 1068 | 1028 | 1223 | 262 |
Swell 2 Height (m) Direction Period (s) | SSW 22 | SSW 21 | SSW 21 | SSW 21 | SSW 19 | SSW 14 | SSW 19 | WSW 7 | SSW 16 | SW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SE 9 | S 8 | SE 9 | SSW 20 | SSW 15 |
| kJ | 408 | 871 | 871 | 511 | 856 | 542 | 1432 | 180 | 962 | 316 | 187 | 164 | 120 | 115 | 96 | 93 | 102 | 75 | 52 | 77 | 75 | 822 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SE 9 | S 10 | S 10 | S 10 | S 10 | SSE 9 | SSW 19 | SSW 19 | SSE 9 | — | — | SSE 9 | — | — | SSE 9 | SSE 9 | — | — | S 20 | — | SSW 20 |
| kJ | 30 | 19 | 67 | 67 | 70 | 71 | 110 | 1247 | 990 | 103 | — | — | 103 | — | — | 96 | 96 | — | — | 68 | — | 127 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 6 | WSW 7 | — | — | WSW 7 | WSW 7 | WSW 7 | — | — | — | — | WSW 7 | WSW 7 | SW 7 | WSW 7 | WSW 7 |
| kJ | 35 | 47 | 48 | 48 | 57 | 75 | 104 | 270 | — | — | 220 | 186 | 136 | — | — | — | — | 134 | 168 | 212 | 170 | 294 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 968 | 669 | 1084 | 1348 | 1084 | 1205 | 2 | 2 | 15 | 1158 | 1500 | 1419 | 1158 | 15 | 193 | 192 | 192 | 1348 | 1500 | 1158 | 1158 | 193 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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