Surf Forecasts:
How big are the waves at The Rock today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 5ft (1.5m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.4m), 15s period with SSW swell.
- Evening surf: Evening surf (17 Sep, local time) - 4ft (1.2m), 14s period with SSW swell.
The current surf forecast for The Rock at 3PM is: 1.4m 15s primary swell from a South-southwest direction and 1.5m 6s secondary swell from a Southwest direction, 1.3m 6s secondary swell from a West-southwest direction (forecast issued at 10:30am September 17). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 5ft (1.5m) | 16s |
| Afternoon (17 Sep) | 4.5ft (1.4m) | 15s |
| Evening (17 Sep) | 4ft (1.2m) | 14s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 79mm), heaviest during Thu morning. Warm (max 28°C on Sat afternoon, min 26°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||||||||
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 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 1051 | 883 | 795 | 660 | 536 | 557 | 651 | 529 | 521 | 413 | 366 | 454 | 459 | 670 | 1431 | 1611 | 1717 | 1636 | 1774 | 1913 | 2134 | 2002 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:39PM0.40m | 5:01AM0.44m | 4:47PM0.35m | 5:17AM0.39m | 4:24PM0.30m | |||||||||||||||||
Low Tide | 10:55AM0.13m | 10:36PM0.12m | 11:15AM0.18m | 10:40PM0.17m | 11:35AM0.24m | 10:10PM0.21m | ||||||||||||||||
 | | | |  | | | | | | | | | | | | | | | | | | |
 | 5:58 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:06 | — | — |
mm | 6 | 5 | 5 | 5 | 3 | 3 | 2 | 3 | 5 | 5 | 5 | 3 | 5 | 5 | 3 | 2 | 3 | 2 | 1 | 2 | 1 | 1 |
Temp °C | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 28 | 27 | 27 | 27 |
Feels °C | 29 | 29 | 28 | 27 | 27 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 29 | 28 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SSW 16 | SW 6 | SSW 14 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SSW 14 | S 13 | S 13 | S 13 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 167 | 883 | 181 | 660 | 215 | 198 | 158 | 141 | 126 | 413 | 366 | 361 | 355 | 670 | 1431 | 1611 | 1717 | 1636 | 1774 | 1913 | 2134 | 2002 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | W 9 | SSW 15 | SSW 21 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 13 | SE 8 | SW 6 | SW 6 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 |
| kJ | 1051 | 2 | 795 | 45 | 536 | 557 | 651 | 529 | 521 | 199 | 251 | 454 | 459 | 286 | 20 | 152 | 112 | 19 | 19 | 14 | 15 | 15 |
Swell 3 Height (m) Direction Period (s) | — | SW 22 | SSW 21 | — | SSW 21 | SSW 20 | SSW 20 | SSW 20 | SSW 20 | SE 8 | SE 7 | SE 7 | SE 8 | SE 8 | — | — | — | — | — | — | W 10 | W 10 |
| kJ | — | 18 | 45 | — | 44 | 39 | 75 | 149 | 149 | 20 | 27 | 27 | 20 | 20 | — | — | — | — | — | — | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | SW 6 | WSW 6 | SW 7 | — | SW 6 | — | — | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 |
| kJ | — | 175 | 136 | 192 | — | 149 | — | — | 172 | 122 | 120 | 102 | 112 | 136 | 170 | 185 | 155 | 112 | 103 | 115 | 103 | 88 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1016 | 1361 | 875 | 875 | 876 | 764 | 461 | 22 | 193 | 193 | 1500 | 875 | 875 | 193 | 193 | 193 | 193 | 192 | 670 | 875 | 374 | 193 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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