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Rio Claro Surf Forecast
/ Golfo Dulce (13 surf breaks) /
Surf Forecasts:
Rio Claro surfForecast / Golfo Dulce / Costa Rica
48hr Weather and Surf, issued 5 pm Tuesday 19 May 2026 CSTForecast update in hr min s Forecast update imminent
Rio Claro surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rio Claro sea temperature is
30.3° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Rio Claro today?
The current surf forecast for Rio Claro at 12AM is: 0.7m 16s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a South-southwest direction (forecast issued at 05:00pm May 19). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 1.5ft (0.4m) | 16s |
| Afternoon (20 May) | 1.5ft (0.4m) | 16s |
| Evening (20 May) | 2ft (0.6m) | 16s |
Table - waves today at Rio Claro. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 35mm), heaviest during Thu night. Warm (max 30°C on Wed morning, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 18 | SSW 18 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 14 | SW 16 | SW 16 | SW 16 | SSW 14 | SSW 15 | SW 15 | SW 15 | SSW 15 | SW 15 | SSW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | |
176 | 102 | 133 | 226 | 144 | 226 | 91 | 73 | 90 | 258 | 201 | 140 | 146 | 109 | 143 | 133 | 109 | 140 | 137 | 106 | 87 | 76 | 54 | 85 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | glassy | glassy | off | cross-off | glassy | cross | cross | cross-off | cross-off | glassy | glassy | cross-off | glassy | on | on | on | cross-off | glassy | glassy | cross-off | glassy | on | |
High Tide | 4:32PM3.13m | 5:10AM2.93m | 5:25PM3.01m | 6:04AM2.86m | 6:20PM2.84m | 7:01AM2.77m | ||||||||||||||||||
Low Tide | 10:53PM-0.04m | 11:14AM0.28m | 11:46PM0.07m | 12:11PM0.40m | 00:40AM0.22m | |||||||||||||||||||
 |  |  | | |  | |  | |  | |  |  | | | | | | |  | | | | | |
 | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — |
 | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | 5:46 |
— | — | 1 | 3 | 2 | — | — | 1 | 1 | 6 | 7 | — | — | 1 | — | — | — | 2 | 9 | 2 | — | — | — | — | |
Temp °C | 29 | 28 | 28 | 28 | 27 | 27 | 29 | 30 | 30 | 28 | 26 | 26 | 26 | 26 | 29 | 30 | 29 | 28 | 23 | 24 | 25 | 25 | 29 | 30 |
33 | 33 | 33 | 33 | 32 | 32 | 34 | 34 | 34 | 32 | 31 | 31 | 31 | 30 | 34 | 34 | 32 | 32 | 25 | 27 | 29 | 28 | 32 | 33 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 13 | SSW 14 | SW 16 | SW 16 | SW 16 | SSW 14 | SSW 15 | SW 15 | SW 15 | SSW 15 | SW 15 | SSW 16 | SW 15 | SW 15 | S 8 | S 8 | S 8 | S 8 |
 kJ | 98 | 98 | 133 | 226 | 144 | 226 | 70 | 73 | 90 | 258 | 201 | 140 | 146 | 109 | 143 | 133 | 109 | 140 | 137 | 106 | 46 | 48 | 49 | 50 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 7 | SSW 12 | SSW 12 | SSW 13 | S 7 | SSW 16 | SSW 16 | SSW 16 | SSW 7 | SSW 13 | SW 15 | SW 12 | SSW 14 | SSW 6 | SW 15 | SSW 16 | SSW 11 | S 8 | S 8 | SW 15 | SW 15 | SW 15 | SSW 15 |
| kJ | 176 | 18 | 57 | 56 | 63 | 15 | 86 | 51 | 86 | 17 | 99 | 80 | 35 | 69 | 14 | 78 | 98 | 68 | 33 | 33 | 76 | 76 | 54 | 85 |
Swell 3 Height (m) Direction Period (s) | SSW 7 | SSW 18 | S 7 | S 7 | SW 16 | SW 16 | SW 16 | S 7 | SSW 7 | S 12 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 14 | S 7 | SSW 7 | SW 15 | SSW 16 | SSW 16 | SSW 15 | SW 15 | SW 14 | SW 14 |
| kJ | 18 | 102 | 16 | 16 | 93 | 67 | 91 | 16 | 15 | 12 | 9 | 8 | 8 | 8 | 39 | 10 | 15 | 77 | 103 | 94 | 87 | 56 | 32 | 72 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 186 | 35 | 0 | 0 | 0 | 0 | 0 | 180 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 186 | 79 | 53 | 0 | 0 | 0 | 0 | 0 | 186 |
Best forecast wave conditions in Golfo Dulce | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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