Surf Forecasts:
How big are the waves at Roca Loca today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4ft (1.2m), 11s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 4ft (1.2m), 11s period with S swell.
The current surf forecast for Roca Loca at 9PM is: 1.2m 11s primary swell from a South direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 05:00pm August 21). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 4ft (1.2m) | 11s |
| Evening (21 Aug) | 4ft (1.2m) | 11s |
Table - waves today at Roca Loca. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Sun afternoon. Warm (max 30°C on Fri afternoon, min 27°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||
3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | SSW 14 | SW 19 | SW 18 | SW 18 | SW 18 |
Wave Graph  | |||||||||||||||||||
 kJ | 343 | 345 | 345 | 338 | 279 | 274 | 214 | 198 | 194 | 190 | 154 | 149 | 148 | 139 | 136 | 179 | 208 | 203 | 206 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | on | on | cross-on | cross | cross-off | cross | off | cross-off | cross-on | cross-on | cross-on | glassy |
High Tide | 9:26PM1.91m | 9:48AM2.11m | 10:37PM1.86m | 10:57AM2.09m | |||||||||||||||
Low Tide | 3:19PM0.80m | 3:26AM0.94m | 4:26PM0.85m | 4:36AM0.99m | 5:35PM0.82m | ||||||||||||||
 |  |  | |  |  | | | |  | | | | | | | | | | |
 | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 1 | — | — | — | — | — | — | — | 2 | 1 | 2 | — | — | — | — | — | 3 | 3 | 1 |
Temp °C | 30 | 29 | 29 | 28 | 28 | 27 | 29 | 29 | 30 | 29 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 |
Feels °C | 34 | 34 | 35 | 33 | 32 | 30 | 33 | 32 | 34 | 34 | 30 | 31 | 29 | 31 | 32 | 32 | 32 | 31 | 33 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | 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 |
| kJ | 343 | 345 | 345 | 338 | 279 | 274 | 214 | 198 | 194 | 190 | 154 | 149 | 148 | 139 | 136 | 136 | 139 | 139 | 136 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | SW 15 | SW 16 | SW 16 | SW 14 | SW 16 | SSW 14 | SW 15 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 14 | SW 18 | SW 18 | SW 18 |
| kJ | 66 | 26 | 58 | 129 | 132 | 49 | 62 | 81 | 107 | 140 | 99 | 93 | 97 | 99 | 129 | 89 | 208 | 203 | 206 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 6 | SW 22 | SW 22 | SW 6 | WSW 6 | WSW 6 | SW 20 | SW 20 | SW 20 | SW 20 | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | SW 13 | SW 13 | SW 13 |
| kJ | 35 | 9 | 18 | 18 | 5 | 3 | 3 | 61 | 60 | 60 | 60 | 60 | 97 | 134 | 133 | 179 | 87 | 85 | 84 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 144 | 0 | 0 | 0 | 0 | 0 | 0 | 144 | 75 | 1 | 15 | 0 | 2 | 0 | 0 | 57 | 57 | 0 | 0 |
Best forecast wave conditions in Golfo de Nicoya | |||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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