Surf Forecasts:
How big are the waves at Dona Ana today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2.5ft (0.7m), 9s period with S swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3ft (0.9m), 12s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 3.5ft (1.0m), 11s period with S swell.
The current surf forecast for Dona Ana at 9AM is: 0.7m 9s primary swell from a South direction and 0.4m 13s secondary swell from a South-southwest direction (forecast issued at 05:00am August 20). The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2.5ft (0.7m) | 9s |
| Afternoon (20 Aug) | 3ft (0.9m) | 12s |
| Evening (20 Aug) | 3.5ft (1.0m) | 11s |
Table - waves today at Dona Ana. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Sat afternoon. Warm (max 32°C on Fri morning, min 26°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 10 | SSW 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 99 | 94 | 73 | 117 | 240 | 284 | 265 | 260 | 302 | 302 | 302 | 302 | 307 | 295 | 289 | 235 | 231 | 227 | 218 | 161 | 158 | 154 | 122 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross-on | cross-on | cross | glassy | cross-off | cross-off | cross-off | glassy | on | cross-on | cross-off | glassy | glassy | cross-off | cross-off | cross | cross-on | cross-on | cross-off | off |
High Tide | 8:17AM2.34m | 8:48PM2.02m | 9:09AM2.19m | 9:49PM1.90m | 10:11AM2.09m | ||||||||||||||||||
Low Tide | 2:00AM0.67m | 2:43PM0.68m | 2:50AM0.82m | 3:42PM0.79m | 3:49AM0.94m | 4:49PM0.84m | |||||||||||||||||
 |  | | |  |  | | | |  | | | | | | | | | | | | |  | |
 | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | 1 | 3 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 4 | 4 | — |
Temp °C | 26 | 26 | 30 | 30 | 30 | 29 | 28 | 27 | 26 | 26 | 30 | 32 | 30 | 28 | 27 | 27 | 27 | 26 | 30 | 31 | 30 | 28 | 27 |
Feels °C | 30 | 30 | 34 | 32 | 33 | 33 | 33 | 31 | 29 | 29 | 34 | 35 | 32 | 32 | 31 | 31 | 31 | 30 | 34 | 34 | 33 | 32 | 30 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 10 | SSW 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 99 | 94 | 73 | 117 | 240 | 284 | 265 | 260 | 302 | 302 | 302 | 302 | 307 | 295 | 289 | 235 | 231 | 227 | 218 | 161 | 158 | 154 | 122 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 13 | S 13 | SSW 14 | S 18 | S 19 | SW 20 | SW 19 | SW 17 | SW 17 | SSW 18 | S 22 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 77 | 78 | 53 | 30 | 19 | 6 | 7 | 15 | 15 | 11 | 47 | 30 | 9 | 21 | 22 | 52 | 53 | 51 | 48 | 47 | 73 | 71 | 40 |
Swell 3 Height (m) Direction Period (s) | S 21 | S 13 | SW 14 | SSW 14 | SW 18 | SW 18 | — | SW 19 | S 16 | — | — | S 22 | SW 15 | S 22 | SW 21 | SW 21 | S 21 | S 21 | SW 21 | SSW 20 | SSW 20 | SSW 20 | SSW 20 |
| kJ | 9 | 14 | 47 | 18 | 12 | 13 | — | 14 | 5 | — | — | 9 | 35 | 9 | 18 | 18 | 9 | 9 | 18 | 41 | 38 | 38 | 38 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 59 | 107 | 5 | 0 | 0 | 0 | 0 | 0 | 119 | 125 | 0 | 0 | 0 | 0 | 0 | 1 | 119 | 127 | 0 | 0 |
Best forecast wave conditions in Golfo de Nicoya | |||||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||||
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