Surf Forecasts:
How big are the waves at Rio Claro today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 2ft (0.6m), 19s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2ft (0.6m), 19s period with SW swell.
- Evening surf: Evening surf (20 Sep, local time) - 2ft (0.6m), 18s period with SW swell.
The current surf forecast for Rio Claro at 9AM is: 0.6m 19s primary swell from a Southwest direction and 0.7m 7s secondary swell from a South direction (forecast issued at 05:00am September 20). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 2ft (0.6m) | 19s |
| Afternoon (20 Sep) | 2ft (0.6m) | 19s |
| Evening (20 Sep) | 2ft (0.6m) | 18s |
Table - waves today at Rio Claro. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 49mm), heaviest during Sun night. Warm (max 29°C on Sun morning, min 25°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||||
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 | 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) | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 231 | 299 | 299 | 299 | 299 | 290 | 258 | 252 | 249 | 304 | 304 | 304 | 300 | 232 | 216 | 211 | 260 | 260 | 257 | 254 | 251 | 203 | 245 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross | cross | cross | cross-on | glassy | glassy | on | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:59AM2.15m | 9:57PM2.00m | 10:15AM2.12m | 11:12PM2.07m | 11:26AM2.18m | ||||||||||||||||||
Low Tide | 2:43AM1.08m | 3:36PM0.96m | 4:01AM1.13m | 4:50PM0.94m | 5:17AM1.07m | 5:51PM0.85m | |||||||||||||||||
 |  |  | | |  | |  | | | |  | | | | | | | | | | | | |
 | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | 2 | — | — | 3 | 3 | 5 | 8 | 4 | 5 | 4 | — | — | 1 | 6 | 5 | 2 | — | — | — | 1 | — | 2 |
Temp °C | 27 | 27 | 29 | 29 | 28 | 27 | 27 | 26 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 28 | 28 | 26 | 26 |
Feels °C | 31 | 31 | 35 | 34 | 31 | 31 | 31 | 30 | 30 | 29 | 29 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 30 | 31 | 31 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | S 7 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 7 | SSW 7 | SSW 6 | SSW 7 | S 7 | S 7 | SW 16 | SW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | SW 16 |
| kJ | 50 | 50 | 48 | 54 | 62 | 53 | 54 | 61 | 82 | 175 | 154 | 113 | 60 | 45 | 43 | 211 | 91 | 164 | 148 | 105 | 62 | 41 | 245 |
Swell 2 Height (m) Direction Period (s) | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | S 7 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | W 6 |
| kJ | 231 | 299 | 299 | 299 | 299 | 290 | 258 | 252 | 249 | 304 | 304 | 304 | 300 | 232 | 216 | 33 | 260 | 260 | 257 | 254 | 251 | 203 | 28 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 |
| kJ | 72 | 72 | 72 | 71 | 69 | 69 | 69 | 69 | 68 | 53 | 49 | 48 | 48 | 48 | 48 | 48 | 20 | 29 | 28 | 28 | 31 | 26 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WSW 5 | — | SSW 7 | — | — | — | — | W 6 | WSW 6 | WSW 6 | WSW 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 10 | — | 96 | — | — | — | — | 24 | 34 | 33 | 31 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 171 | 35 | 35 | 35 | 0 | 0 | 35 | 0 | 0 | 0 | 0 | 35 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Golfo Dulce | |||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||||
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