Surf Forecasts:
How big are the waves at Roca Alta today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 4.5ft (1.4m), 9s period with NE swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 4.5ft (1.4m), 8s period with NE swell.
- Evening surf: Evening surf (19 Aug, local time) - 4.5ft (1.4m), 8s period with NE swell.
The current surf forecast for Roca Alta at 5PM is: 1.4m 8s primary swell from a Northeast direction (forecast issued at 11:00am August 19). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 4.5ft (1.4m) | 9s |
| Afternoon (19 Aug) | 4.5ft (1.4m) | 8s |
| Evening (19 Aug) | 4.5ft (1.4m) | 8s |
Table - waves today at Roca Alta. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 40mm), heaviest during Fri night. Warm (max 29°C on Fri morning, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||||
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) | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | NE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 309 | 288 | 274 | 274 | 268 | 248 | 268 | 248 | 254 | 254 | 254 | 219 | 213 | 213 | 219 | 267 | 293 | 331 | 293 | 295 | 322 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | glassy | glassy | glassy | cross-off | cross | cross | glassy | on | on | cross-on | cross | cross | cross | cross | cross | on | on | glassy | cross |
High Tide | 6:06AM0.11m | 5:59PM0.35m | 6:56AM0.09m | 6:37PM0.36m | 7:40AM0.08m | 7:13PM0.36m | |||||||||||||||
Low Tide | 10:47AM0.03m | 1:36AM-0.03m | 11:15AM0.03m | 2:23AM-0.03m | 11:40AM0.03m | ||||||||||||||||
 | | |  |  | |  |  |  | | |  | | | |  | | | | | | |
 | 5:22 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — |
mm | 3 | 4 | 4 | 2 | 1 | 1 | — | — | — | — | — | — | 2 | — | — | 1 | 5 | 2 | 2 | 2 | — |
Temp °C | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 27 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 27 | 29 | 28 | 27 | 27 |
Feels °C | 31 | 31 | 31 | 32 | 30 | 30 | 28 | 28 | 31 | 31 | 31 | 31 | 30 | 29 | 27 | 27 | 31 | 33 | 32 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | NE 8 | ENE 8 |
| kJ | 309 | 288 | 274 | 274 | 268 | 248 | 268 | 248 | 254 | 254 | 254 | 219 | 213 | 213 | 219 | 267 | 293 | 331 | 293 | 295 | 322 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 114 | 0 | 0 | 0 | 0 | 10 | 2 | 0 | 114 | 22 | 13 | 10 | 3 | 10 | 3 | 10 | 22 | 14 | 0 | 10 |
Best forecast wave conditions in Limon | |||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||
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