Surf Forecasts:
How big are the waves at Dona Ana today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 1.5ft (0.4m), 20s period with SW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 1.5ft (0.4m), 20s period with SW swell.
- Evening surf: Evening surf (18 Sep, local time) - 1.5ft (0.4m), 20s period with SW swell.
The current surf forecast for Dona Ana at 7AM is: 0.4m 21s primary swell from a Southwest direction and 0.5m 8s secondary swell from a South direction, 0.4m 13s secondary swell from a South-southwest direction (forecast issued at 11:00pm September 17). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 1.5ft (0.4m) | 20s |
| Afternoon (18 Sep) | 1.5ft (0.4m) | 20s |
| Evening (18 Sep) | 1.5ft (0.4m) | 20s |
Table - waves today at Dona Ana. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 23mm), heaviest during Sun afternoon. Warm (max 31°C on Fri morning, min 26°C on Thu night). Wind will be generally light. | |||||||||||||||||
Friday 18 | Saturday 19 | ||||||||||||||||
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) | SSW 14 | SW 21 | SW 21 | SW 21 | SW 20 | SW 20 | SW 20 | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | SW 19 | SW 18 | SW 21 | SSW 21 | SW 21 |
Wave Graph  | |||||||||||||||||
 kJ | 115 | 116 | 115 | 112 | 107 | 100 | 98 | 97 | 97 | 97 | 96 | 96 | 95 | 83 | 113 | 175 | 112 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | glassy | on | cross-on | cross | glassy | glassy | cross-off | cross-off | on | cross-on | cross | cross | glassy |
High Tide | 7:19PM2.18m | 7:34AM2.29m | 8:07PM2.03m | 8:24AM2.14m | |||||||||||||
Low Tide | 1:20AM0.70m | 1:59PM0.67m | 2:08AM0.85m | 2:55PM0.80m | |||||||||||||
 | |  |  |  | | |  | | | | | | |  | | | |
 | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 1 | 2 | 5 |
Temp °C | 27 | 26 | 26 | 26 | 30 | 31 | 30 | 28 | 28 | 27 | 26 | 26 | 30 | 30 | 30 | 28 | 27 |
Feels °C | 30 | 29 | 29 | 29 | 34 | 34 | 32 | 32 | 33 | 31 | 29 | 29 | 33 | 32 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | S 9 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 |
| kJ | 115 | 52 | 35 | 35 | 36 | 36 | 36 | 38 | 38 | 38 | 37 | 33 | 41 | 38 | 37 | 36 | 36 |
Swell 2 Height (m) Direction Period (s) | S 9 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 21 | SSW 12 |
| kJ | 53 | 113 | 104 | 99 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 65 | 65 | 65 | 175 | 59 |
Swell 3 Height (m) Direction Period (s) | SW 21 | SW 21 | SW 21 | SW 21 | SW 20 | SW 20 | SW 20 | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | SW 19 | SW 18 | SW 21 | SSW 13 | SW 21 |
| kJ | 72 | 116 | 115 | 112 | 107 | 100 | 98 | 97 | 97 | 97 | 96 | 96 | 95 | 83 | 113 | 64 | 112 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 119 | 107 | 5 | 0 | 0 | 0 | 0 | 5 | 125 | 120 | 59 | 0 |
Best forecast wave conditions in Golfo de Nicoya | |||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||
Header Global | |||||||||||||||||
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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