Surf Forecasts:
How big are the waves at Rio Claro today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3ft (0.9m), 10s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.0m), 11s period with S swell.
- Evening surf: Evening surf (20 Aug, local time) - 3.5ft (1.1m), 11s period with SSW swell.
The current surf forecast for Rio Claro at 7PM is: 1.3m 12s primary swell from a South-southwest direction and 0.1m 8s secondary swell from a West direction (forecast issued at 11:00am August 20). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3ft (0.9m) | 10s |
| Afternoon (20 Aug) | 3.5ft (1.0m) | 11s |
| Evening (20 Aug) | 3.5ft (1.1m) | 11s |
Table - waves today at Rio Claro. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 38mm), heaviest during Sat night. Warm (max 29°C on Thu morning, min 24°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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 | 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 10 | SSW 10 | S 11 | SSW 12 | SSW 11 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | S 11 | SSW 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 169 | 173 | 251 | 444 | 297 | 415 | 394 | 370 | 394 | 376 | 370 | 345 | 350 | 286 | 281 | 216 | 198 | 158 | 158 | 154 | 122 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross | cross | glassy | cross-off | cross-off | off | glassy | on | cross-on | glassy | cross-off |
High Tide | 7:48AM2.48m | 8:21PM2.17m | 8:40AM2.32m | 9:24PM2.04m | 9:44AM2.21m | ||||||||||||||||
Low Tide | 2:14PM0.75m | 2:22AM0.92m | 3:13PM0.87m | 3:24AM1.04m | 4:22PM0.92m | ||||||||||||||||
 |  | |  | |  |  |  | | | | | |  | | | | | | | | |
 | 5:26 | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — |
mm | — | 1 | 2 | 5 | 1 | — | — | — | — | — | — | 1 | — | — | — | 1 | 1 | 2 | 1 | 5 | 11 |
Temp °C | 28 | 29 | 28 | 27 | 27 | 27 | 26 | 26 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 26 | 29 | 29 | 29 | 27 | 25 |
Feels °C | 33 | 33 | 32 | 32 | 33 | 32 | 31 | 31 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 31 | 35 | 33 | 33 | 32 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | S 11 | SSW 12 | SSW 11 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | S 11 | SSW 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 169 | 173 | 251 | 444 | 297 | 415 | 394 | 370 | 394 | 376 | 370 | 345 | 350 | 286 | 281 | 216 | 198 | 158 | 158 | 154 | 122 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SSW 13 | W 8 | SW 13 | SSW 13 | SW 19 | WSW 6 | SSW 18 | SW 6 | SW 15 | SW 15 | SW 16 | SSW 16 | SSW 16 | SW 16 | SSW 16 | SSW 15 | SW 15 | SW 15 | SW 14 |
| kJ | 85 | 84 | 147 | 1 | 83 | 17 | 14 | 7 | 30 | 8 | 8 | 35 | 65 | 103 | 103 | 65 | 98 | 93 | 107 | 104 | 102 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 12 | W 8 | W 13 | SW 19 | SSW 15 | SW 16 | W 13 | W 13 | SSW 18 | SW 18 | SW 21 | SW 22 | WSW 6 | WSW 6 | SW 21 | WSW 6 | WSW 6 | SSW 20 | SSW 20 | WSW 5 |
| kJ | 30 | 49 | 1 | 3 | 14 | 23 | 10 | 3 | 3 | 31 | 12 | 17 | 18 | 6 | 6 | 18 | 3 | 3 | 38 | 38 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | WSW 6 | WSW 6 | — | — | — | — | — | — | WSW 6 | WSW 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 6 | 6 | — | — | — | — | — | — | 6 | 6 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 171 | 107 | 0 | 0 | 0 | 0 | 0 | 0 | 171 | 171 | 35 | 0 | 0 | 0 | 0 | 0 | 171 | 171 | 0 | 0 |
Best forecast wave conditions in Golfo Dulce | |||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rio Claro surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest