Surf Forecasts:
How big are the waves at The Rock today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 3ft (0.9m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3ft (0.9m), 13s period with SSW swell.
- Evening surf: Evening surf (18 Jul, local time) - 2.5ft (0.8m), 13s period with SSW swell.
The current surf forecast for The Rock at 12PM is: 0.9m 14s primary swell from a South-southwest direction and 0.7m 9s secondary swell from a South direction, 1.0m 6s secondary swell from a West direction (forecast issued at 04:30am July 18). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 3ft (0.9m) | 14s |
| Afternoon (18 Jul) | 3ft (0.9m) | 13s |
| Evening (18 Jul) | 2.5ft (0.8m) | 13s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Mon morning. Warm (max 29°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 12 | S 13 | S 19 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 285 | 285 | 281 | 269 | 257 | 201 | 201 | 201 | 201 | 198 | 229 | 225 | 222 | 212 | 265 | 208 | 483 | 470 | 509 | 632 | 751 | 675 | 752 | 743 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross |
High Tide | 4:53AM0.50m | 4:38PM0.50m | 5:27AM0.49m | 5:06PM0.46m | 6:00AM0.47m | 5:35PM0.42m | ||||||||||||||||||
Low Tide | 10:44AM0.12m | 11:02PM0.02m | 11:19AM0.14m | 11:30PM0.04m | 11:54AM0.17m | |||||||||||||||||||
 | |  |  | | |  | | | |  | | | | | | | | | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 1 | 1 | 1 | 1 |
Temp °C | 27 | 27 | 28 | 28 | 29 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 28 | 28 | 29 | 28 | 29 | 30 | 29 | 29 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 29 | 28 | 27 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | 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 12 | S 13 | S 13 | S 13 | S 10 | S 18 | S 17 | S 16 | S 16 |
| kJ | 285 | 285 | 281 | 269 | 257 | 201 | 201 | 201 | 201 | 198 | 229 | 225 | 222 | 212 | 265 | 208 | 483 | 408 | 483 | 210 | 751 | 675 | 752 | 743 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | W 9 | W 9 | W 9 | W 9 | W 10 | S 8 | S 8 | W 10 | S 19 | S 18 | S 18 | S 10 | S 10 | S 10 | S 10 |
| kJ | 106 | 76 | 76 | 74 | 76 | 74 | 55 | 53 | 50 | 60 | 60 | 61 | 64 | 67 | 63 | 82 | 90 | 470 | 509 | 632 | 249 | 210 | 264 | 210 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | S 8 | S 8 | S 8 | S 8 | S 8 | W 10 | W 10 | S 19 | W 10 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 |
| kJ | 28 | 27 | 29 | 30 | 47 | 45 | 45 | 44 | 42 | 35 | 49 | 34 | 34 | 32 | 92 | 92 | 273 | 88 | 85 | 85 | 88 | 92 | 94 | 92 |
Wind waves Height (m) Direction Period (s) | W 5 | W 5 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 5 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 |
| kJ | 47 | 59 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 74 | 74 | 80 | 94 | 80 | 64 | 52 | 50 | 48 | 39 | 50 | 50 | 62 | 49 | 49 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 193 | 193 | 193 | 189 | 740 | 192 | 193 | 193 | 193 | 193 | 193 | 193 | 763 | 374 | 193 | 193 | 193 | 193 | 193 | 193 | 763 | 875 | 193 | 193 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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