Surf Forecasts:
How big are the waves at The Cave today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 6ft (1.8m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5.5ft (1.7m), 16s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 5ft (1.6m), 16s period with S swell.
The current surf forecast for The Cave at 12AM is: 2.0m 17s primary swell from a South direction and 1.2m 6s secondary swell from a South-southwest direction (forecast issued at 04:30pm August 19). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 6ft (1.8m) | 16s |
| Afternoon (20 Aug) | 5.5ft (1.7m) | 16s |
| Evening (20 Aug) | 5ft (1.6m) | 16s |
Table - waves today at The Cave. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 31°C on Thu morning, min 26°C on Wed night). Mainly strong winds. | ||||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||||
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 18 | SSW 18 | SSW 18 | S 17 | S 17 | S 16 | SSW 16 | S 16 | SSW 16 | S 16 | S 16 | S 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 14 | S 14 | S 14 | S 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2065 | 2316 | 2290 | 2413 | 2248 | 2194 | 1750 | 1672 | 1512 | 1459 | 1265 | 1074 | 892 | 880 | 754 | 744 | 610 | 508 | 494 | 480 |
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 | 4:43PM0.12m | 4:57AM0.19m | 3:51PM0.11m | 4:35AM0.18m | 2:04PM0.11m | |||||||||||||||
Low Tide | 12:04PM0.09m | 9:48PM0.08m | 12:19PM0.09m | 8:57PM0.08m | 12:09PM0.11m | 8:26PM0.06m | ||||||||||||||
 | |  |  | | | |  | | | | | | | | | | | |  | |
 | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 29 | 28 | 26 | 26 | 26 | 28 | 31 | 31 | 30 | 28 | 27 | 26 | 26 | 28 | 31 | 30 | 30 | 28 | 27 |
Feels °C | 27 | 26 | 27 | 25 | 25 | 25 | 27 | 29 | 28 | 28 | 26 | 26 | 25 | 26 | 27 | 28 | 27 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | S 17 | S 17 | S 16 | SSW 16 | S 16 | SSW 16 | S 16 | S 16 | S 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 14 | S 14 | S 14 | S 14 |
| kJ | 2065 | 2316 | 2290 | 2413 | 2248 | 2194 | 1750 | 1672 | 1512 | 1459 | 1265 | 1074 | 892 | 880 | 754 | 744 | 610 | 508 | 494 | 480 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | — | — | — | — | S 12 | SSW 12 | — | — | SE 8 | SE 8 | SE 8 | SE 8 | — | S 20 | S 21 | S 19 | S 19 | S 19 |
| kJ | 21 | 20 | — | — | — | — | 97 | 145 | — | — | 3 | 3 | 3 | 2 | — | 74 | 79 | 170 | 255 | 444 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | — | — | — | — | — | SE 9 | SE 8 | — | — | — | — | S 24 | S 24 | — | SE 8 | — | — | E 7 | SE 7 |
| kJ | 31 | — | — | — | — | — | 12 | 11 | — | — | — | — | 11 | 11 | — | 2 | — | — | 1 | 2 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 6 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 162 | 225 | 197 | 99 | 70 | 70 | 70 | 75 | 150 | 220 | 175 | 114 | 107 | 104 | 104 | 110 | 197 | 261 | 175 | 107 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1671 | 1034 | 1026 | 452 | 45 | 45 | 45 | 43 | 639 | 1034 | 1034 | 45 | 45 | 452 | 46 | 639 | 1034 | 1034 | 45 | 45 |
Best forecast wave conditions in East Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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