Surf Forecasts:
How big are the waves at Roca Loca today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 3ft (0.9m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 3ft (0.9m), 17s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 2.5ft (0.8m), 16s period with SW swell.
The current surf forecast for Roca Loca at 2AM is: 0.8m 18s primary swell from a Southwest direction and 0.5m 12s secondary swell from a Southwest direction, 0.9m 7s secondary swell from a South-southwest direction (forecast issued at 05:00pm September 20). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 3ft (0.9m) | 18s |
| Afternoon (21 Sep) | 3ft (0.9m) | 17s |
| Evening (21 Sep) | 2.5ft (0.8m) | 16s |
Table - waves today at Roca Loca. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Sun night. Warm (max 29°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 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 | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 441 | 432 | 388 | 370 | 437 | 432 | 516 | 510 | 505 | 418 | 384 | 375 | 380 | 375 | 371 | 366 | 361 | 357 | 357 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-off | cross | cross | glassy | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on |
High Tide | 9:57PM1.87m | 10:17AM2.01m | 11:12PM1.93m | 11:27AM2.06m | |||||||||||||||
Low Tide | 3:40PM0.88m | 4:00AM1.03m | 4:52PM0.87m | 5:15AM1.00m | 5:53PM0.80m | ||||||||||||||
 |  |  | |  |  |  |  |  | | | | | | | | | | | |
 | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | 5:36 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — |
mm | — | 1 | — | 3 | 7 | 9 | 1 | 1 | — | — | 2 | 3 | 2 | 2 | 1 | 1 | 2 | 2 | 3 |
Temp °C | 29 | 28 | 28 | 27 | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 25 |
Feels °C | 32 | 31 | 31 | 30 | 29 | 30 | 30 | 31 | 32 | 32 | 31 | 28 | 27 | 28 | 28 | 28 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 18 | SSW 7 | SW 18 | SW 18 | SW 17 | SW 17 | SSW 7 | SSW 7 | S 7 | SW 16 | SW 16 | SSW 6 | SW 16 | SW 16 | SW 16 |
| kJ | 63 | 69 | 71 | 69 | 437 | 77 | 516 | 510 | 505 | 418 | 58 | 73 | 70 | 375 | 371 | 60 | 361 | 357 | 357 |
Swell 2 Height (m) Direction Period (s) | SW 19 | SW 19 | SW 18 | SW 18 | SW 12 | SW 18 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 16 | SW 16 | SW 16 | SSW 6 | SSW 11 | SW 16 | SW 6 | SW 6 | SW 7 |
| kJ | 441 | 432 | 388 | 370 | 67 | 432 | 75 | 60 | 60 | 60 | 384 | 375 | 380 | 56 | 47 | 366 | 38 | 32 | 52 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SW 12 | SW 11 | SW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | S 8 | S 7 | S 7 |
| kJ | 69 | 69 | 68 | 68 | 55 | 65 | 61 | 60 | 48 | 47 | 47 | 47 | 47 | 47 | 30 | 30 | 41 | 38 | 39 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 7 | — | — | — | — | — | — | — | — | — | SSW 6 | — | — | — | — |
| kJ | — | — | — | — | 79 | — | — | — | — | — | — | — | — | — | 57 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 144 | 0 | 0 | 0 | 35 | 2 | 0 | 6 | 6 | 0 | 0 | 36 | 36 | 0 | 0 | 0 | 0 | 22 | 0 |
Best forecast wave conditions in Golfo de Nicoya | |||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||
Header Global | |||||||||||||||||||
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