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Roca Loca Surf Forecast
/ Golfo de Nicoya (40 surf breaks) /
Surf Forecasts:
Roca Loca surfForecast / Golfo de Nicoya / Costa Rica
48hr Weather and Surf, issued 5 am Monday 18 May 2026 CSTForecast update in hr min s Forecast update imminent
Roca Loca surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Roca Loca sea temperature is
30.4° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Roca Loca today?
The current surf forecast for Roca Loca at 1PM is: 0.7m 13s primary swell from a South-southwest direction and 0.6m 7s secondary swell from a South direction (forecast issued at 05:00am May 18). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 2.5ft (0.7m) | 13s |
| Afternoon (18 May) | 2.5ft (0.7m) | 13s |
| Evening (18 May) | 2ft (0.6m) | 13s |
Table - waves today at Roca Loca. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Wed afternoon. Warm (max 30°C on Mon afternoon, min 26°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 12 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 19 | SSW 18 | SSW 18 | SSW 15 | SSW 15 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 14 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | |
178 | 178 | 175 | 154 | 154 | 151 | 114 | 111 | 139 | 128 | 124 | 86 | 86 | 241 | 268 | 264 | 330 | 131 | 161 | 163 | 371 | 367 | 251 | 193 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | glassy | cross-on | cross-on | cross-on | glassy | glassy | off | off | glassy | cross-on | cross-on | on | glassy | cross-off | cross-off | off | glassy | cross-on | cross-on | cross-off | cross-off | cross | |
High Tide | 3:33AM2.73m | 3:47PM3.03m | 4:24AM2.76m | 4:38PM2.97m | 5:16AM2.74m | 5:31PM2.85m | ||||||||||||||||||
Low Tide | 9:33AM0.16m | 10:10PM-0.09m | 10:26AM0.17m | 11:01PM-0.05m | 11:19AM0.24m | 11:53PM0.04m | ||||||||||||||||||
 |  | | |  | |  | | | | | | |  | | | | | | |  | | |  | |
 | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | 5:16 |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | 5:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | — | — | — | — | — | 4 | 13 | — | — | |
Temp °C | 27 | 27 | 29 | 29 | 30 | 29 | 29 | 28 | 27 | 27 | 29 | 29 | 30 | 29 | 29 | 28 | 28 | 27 | 29 | 29 | 29 | 26 | 26 | 27 |
30 | 30 | 33 | 32 | 33 | 33 | 34 | 33 | 31 | 30 | 34 | 32 | 34 | 33 | 35 | 32 | 32 | 30 | 34 | 32 | 32 | 27 | 28 | 30 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | S 8 | S 7 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 14 | SW 16 | SW 13 | SW 16 | SW 16 | SW 16 | SW 16 |
 kJ | 178 | 178 | 175 | 154 | 154 | 151 | 114 | 111 | 104 | 99 | 99 | 28 | 27 | 241 | 268 | 264 | 330 | 131 | 161 | 85 | 371 | 367 | 251 | 193 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 8 | S 8 | SSW 12 | SW 12 | SW 12 | S 7 | SSW 12 | S 7 | SW 16 | SW 13 | SW 16 | S 7 | S 7 | SW 13 | SW 12 |
| kJ | 17 | 28 | 40 | 39 | 39 | 39 | 38 | 26 | 27 | 28 | 29 | 56 | 72 | 72 | 26 | 57 | 15 | 127 | 83 | 163 | 15 | 14 | 78 | 36 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SSW 18 | SSW 20 | SW 17 | SW 16 | SSW 16 | SW 17 | SW 18 | SSW 19 | SSW 18 | SSW 18 | SSW 15 | SSW 15 | S 7 | SSW 12 | S 7 | SW 12 | S 7 | S 7 | S 7 | S 12 | S 12 | S 7 | SW 19 |
| kJ | 83 | 32 | 39 | 73 | 69 | 105 | 106 | 108 | 139 | 128 | 124 | 86 | 86 | 27 | 57 | 16 | 34 | 15 | 15 | 15 | 11 | 11 | 14 | 89 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 57 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 57 | 75 | 35 | 0 | 0 | 0 | 0 | 0 | 144 | 95 | 36 | 0 | 16 |
Best forecast wave conditions in Golfo de Nicoya | ||||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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