Surf Forecasts:
How big are the waves at The Rock today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 3.5ft (1.0m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 3ft (0.9m), 14s period with SSW swell.
- Evening surf: Evening surf (17 Jul, local time) - 3ft (0.9m), 14s period with SSW swell.
The current surf forecast for The Rock at 9AM is: 1.0m 14s primary swell from a South-southwest direction and 0.7m 10s secondary swell from a South direction, 1.1m 6s secondary swell from a West-southwest direction (forecast issued at 04:30am July 17). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 3.5ft (1.0m) | 14s |
| Afternoon (17 Jul) | 3ft (0.9m) | 14s |
| Evening (17 Jul) | 3ft (0.9m) | 14s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Sun morning. Warm (max 28°C on Fri morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
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 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 400 | 400 | 400 | 400 | 330 | 325 | 312 | 281 | 285 | 285 | 281 | 269 | 257 | 201 | 201 | 201 | 201 | 198 | 229 | 225 | 222 | 215 | 265 | 261 |
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 | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross | cross-on | cross | cross | cross |
High Tide | 4:18AM0.50m | 4:09PM0.52m | 4:53AM0.50m | 4:38PM0.50m | 5:27AM0.49m | 5:06PM0.46m | ||||||||||||||||||
Low Tide | 10:09AM0.10m | 10:33PM0.00m | 10:44AM0.12m | 11:02PM0.02m | 11:19AM0.14m | 11:30PM0.04m | ||||||||||||||||||
 | |  | | | | | |  | |  | |  | | | | | | | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
Temp °C | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 29 | 29 | 29 | 28 | 28 | 29 | 28 | 28 | 26 | 26 | 28 | 28 | 27 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 8 | S 8 |
| kJ | 400 | 400 | 400 | 400 | 330 | 325 | 312 | 281 | 285 | 285 | 281 | 269 | 257 | 201 | 201 | 201 | 201 | 198 | 229 | 225 | 222 | 215 | 95 | 74 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | W 9 | S 8 | W 10 | S 8 | SSW 14 | SSW 14 |
| kJ | 121 | 92 | 90 | 92 | 90 | 92 | 90 | 89 | 58 | 55 | 56 | 55 | 55 | 55 | 55 | 53 | 35 | 34 | 41 | 49 | 64 | 82 | 265 | 261 |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | WNW 10 | — | W 10 | W 10 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | S 8 | W 9 | S 8 | W 10 | W 10 | W 10 |
| kJ | 7 | 7 | 7 | 8 | 18 | — | 16 | 16 | 28 | 28 | 29 | 30 | 30 | 30 | 45 | 44 | 42 | 42 | 34 | 61 | 49 | 66 | 68 | 68 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | W 6 | WSW 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 |
| kJ | 65 | 67 | 80 | 80 | 83 | 77 | 80 | 77 | 94 | 97 | 97 | 101 | 98 | 98 | 94 | 94 | 101 | 101 | 109 | 112 | 90 | 98 | 99 | 99 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 763 | 193 | 193 | 192 | 763 | 763 | 193 | 193 | 193 | 193 | 192 | 186 | 740 | 192 | 192 | 193 | 193 | 193 | 193 | 192 | 763 | 764 | 192 | 193 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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