Surf Forecasts:
How big are the waves at The Cave today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 4.5ft (1.3m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4ft (1.2m), 14s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.1m), 14s period with S swell.
The current surf forecast for The Cave at 1AM is: 1.5m 15s primary swell from a South direction and 0.1m 8s secondary swell from a Southeast direction, 1.2m 6s secondary swell from a South-southwest direction (forecast issued at 04:30pm August 20). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 4.5ft (1.3m) | 15s |
| Afternoon (21 Aug) | 4ft (1.2m) | 14s |
| Evening (21 Aug) | 3.5ft (1.1m) | 14s |
Table - waves today at The Cave. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 31°C on Fri morning, min 25°C on Sat night). Mainly strong winds. | ||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||||
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 | S 16 | S 16 | S 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 14 | S 14 | S 14 | S 14 | S 18 | S 17 | S 17 | S 17 | S 15 | S 15 | S 15 | S 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1512 | 1459 | 1265 | 1074 | 892 | 880 | 754 | 744 | 610 | 508 | 494 | 474 | 1357 | 716 | 1508 | 2121 | 1024 | 904 | 804 | 858 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross |
High Tide | 3:51PM0.11m | 4:35AM0.18m | 2:04PM0.11m | 4:11AM0.18m | 1:27PM0.12m | |||||||||||||||
Low Tide | 12:19PM0.09m | 8:57PM0.08m | 12:09PM0.11m | 8:26PM0.06m | 10:52AM0.12m | 8:18PM0.05m | ||||||||||||||
 | |  |  | | | |  | | | | |  | | | | | | | | |
 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 29 | 27 | 26 | 26 | 26 | 28 | 31 | 30 | 29 | 27 | 26 | 26 | 26 | 27 | 31 | 31 | 30 | 28 | 26 |
Feels °C | 27 | 27 | 25 | 25 | 25 | 25 | 26 | 28 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 28 | 28 | 28 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | S 16 | S 16 | S 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 14 | S 14 | S 14 | S 14 | S 18 | S 17 | S 17 | S 17 | S 15 | S 15 | S 15 | S 15 |
| kJ | 1512 | 1459 | 1265 | 1074 | 892 | 880 | 754 | 744 | 610 | 508 | 494 | 474 | 1357 | 716 | 1508 | 2121 | 1024 | 904 | 804 | 858 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | S 20 | S 21 | S 19 | S 19 | S 19 | SE 7 | S 13 | — | — | S 26 | S 26 | S 24 | S 24 |
| kJ | — | — | 3 | 3 | 3 | 2 | 2 | 74 | 79 | 170 | 255 | 444 | 2 | 404 | — | — | 13 | 13 | 12 | 43 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 24 | S 24 | — | SE 7 | — | — | E 7 | E 7 | — | SE 7 | — | — | — | — | — | — |
| kJ | — | — | — | — | 11 | 11 | — | 2 | — | — | 1 | 1 | — | 2 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 7 | SW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 190 | 245 | 197 | 114 | 117 | 107 | 107 | 93 | 213 | 289 | 204 | 117 | 93 | 100 | 99 | 195 | 127 | 278 | 257 | 129 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 641 | 1671 | 1127 | 45 | 1034 | 45 | 45 | 699 | 1034 | 452 | 45 | 46 | 46 | 46 | 45 | 46 | 43 | 452 | 923 | 45 |
Best forecast wave conditions in East Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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