Surf Forecasts:
How big are the waves at Rio Claro today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 3ft (0.9m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 2.5ft (0.8m), 15s period with SW swell.
- Evening surf: Evening surf (11 Sep, local time) - 2.5ft (0.8m), 14s period with SW swell.
The current surf forecast for Rio Claro at 2AM is: 0.9m 16s primary swell from a Southwest direction and 0.7m 7s secondary swell from a South-southwest direction, 0.3m 4s secondary swell from a West direction (forecast issued at 05:00pm September 10). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 3ft (0.9m) | 16s |
| Afternoon (11 Sep) | 2.5ft (0.8m) | 15s |
| Evening (11 Sep) | 2.5ft (0.8m) | 14s |
Table - waves today at Rio Claro. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Thu night. Warm (max 29°C on Thu afternoon, min 26°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | |||||||||||||||||
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 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 427 | 421 | 421 | 421 | 421 | 416 | 411 | 395 | 309 | 301 | 251 | 248 | 248 | 248 | 248 | 203 | 164 | 121 | 116 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | glassy | glassy | glassy | glassy | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross | cross-off |
High Tide | 2:01PM2.86m | 2:28AM3.01m | 2:48PM2.94m | 3:10AM3.11m | 3:31PM2.97m | ||||||||||||||
Low Tide | 8:12PM0.19m | 8:40AM0.21m | 8:56PM0.13m | 9:23AM0.13m | |||||||||||||||
 |  |  |  |  | | |  | | | | | |  | | | | | | |
 | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:36 | — | — |
mm | — | 2 | 7 | — | — | — | — | 1 | 1 | 1 | — | — | 1 | — | — | 2 | 1 | 1 | 3 |
Temp °C | 29 | 27 | 26 | 26 | 26 | 26 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 |
Feels °C | 32 | 31 | 30 | 31 | 31 | 31 | 33 | 33 | 34 | 33 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 8 | SSW 8 | SSW 9 |
| kJ | 427 | 421 | 421 | 421 | 421 | 416 | 411 | 395 | 309 | 301 | 251 | 248 | 248 | 248 | 248 | 203 | 70 | 75 | 103 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 8 | S 8 | SSW 8 | SW 14 | SW 14 | SW 14 |
| kJ | 51 | 56 | 56 | 49 | 49 | 63 | 52 | 54 | 51 | 38 | 38 | 41 | 40 | 43 | 46 | 68 | 164 | 121 | 116 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | W 4 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | S 10 | S 10 | S 10 | WNW 10 | WNW 10 | WNW 10 | SSW 18 | SW 18 | SSW 15 | SSW 14 |
| kJ | 20 | 20 | 19 | 3 | 20 | 20 | 20 | 10 | 10 | 16 | 17 | 7 | 10 | 10 | 10 | 30 | 79 | 21 | 19 |
Wind waves Height (m) Direction Period (s) | W 6 | — | — | — | W 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 35 | 0 | 3 | 0 | 0 | 0 | 0 | 171 | 79 | 0 | 0 | 0 | 0 | 0 | 0 | 171 | 35 | 35 | 0 |
Best forecast wave conditions in Golfo Dulce | |||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||
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