Surf Forecasts:
How big are the waves at Rio Claro today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 2.5ft (0.7m), 20s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 2.5ft (0.8m), 18s period with SSW swell.
- Evening surf: Evening surf (21 Oct, local time) - 3.5ft (1.0m), 18s period with SSW swell.
The current surf forecast for Rio Claro at 7AM is: 0.7m 20s primary swell from a South-southwest direction and 0.9m 14s secondary swell from a South-southwest direction (forecast issued at 11:00pm October 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 2.5ft (0.7m) | 20s |
| Afternoon (21 Oct) | 2.5ft (0.8m) | 18s |
| Evening (21 Oct) | 3.5ft (1.0m) | 18s |
Table - waves today at Rio Claro. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Tue night. Warm (max 29°C on Fri morning, min 25°C on Tue night). Wind will be generally light. | |||||||||||||||||
Wednesday 21 | Thursday 22 | ||||||||||||||||
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 14 | SSW 14 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||
 kJ | 367 | 362 | 352 | 337 | 336 | 419 | 418 | 497 | 603 | 1106 | 751 | 615 | 667 | 651 | 643 | 904 | 892 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | off | glassy | glassy | cross | glassy | glassy | cross-on | cross-on | cross | cross-on | on | on | on | glassy |
High Tide | 10:40AM2.12m | 11:19PM2.29m | 11:41AM2.23m | ||||||||||||||
Low Tide | 4:36AM1.06m | 4:57PM0.91m | 5:36AM0.92m | 5:49PM0.81m | |||||||||||||
 | |  |  | |  | | |  | | | | | | | | | |
 | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — |
mm | 5 | 1 | — | — | — | 1 | 3 | 3 | — | — | 1 | — | 1 | — | 1 | 2 | 2 |
Temp °C | 27 | 26 | 25 | 25 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 31 | 30 | 28 | 29 | 32 | 32 | 32 | 32 | 32 | 30 | 30 | 30 | 32 | 31 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 367 | 362 | 352 | 337 | 332 | 303 | 312 | 312 | 603 | 1106 | 751 | 615 | 667 | 651 | 643 | 904 | 892 |
Swell 2 Height (m) Direction Period (s) | S 8 | SSW 8 | W 5 | SSW 20 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | SSW 14 | SSW 6 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | S 6 | SSW 6 |
| kJ | 34 | 38 | 26 | 336 | 336 | 419 | 418 | 497 | 312 | 23 | 212 | 219 | 215 | 189 | 170 | 18 | 12 |
Swell 3 Height (m) Direction Period (s) | SSW 21 | SSW 21 | SSW 20 | W 5 | W 5 | WSW 5 | SW 6 | WSW 5 | WSW 5 | WNW 10 | SSW 7 | S 6 | S 6 | S 6 | S 6 | WNW 9 | WNW 9 |
| kJ | 178 | 246 | 342 | 28 | 20 | 23 | 31 | 11 | 11 | 33 | 15 | 22 | 21 | 20 | 19 | 16 | 16 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 161 | 0 | 0 | 50 | 27 | 3 | 50 | 171 | 90 | 50 | 0 |
Best forecast wave conditions in Golfo Dulce | |||||||||||||||||
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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