Surf Forecasts:
How big are the waves at Diria today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 2ft (0.6m), 19s period with SW swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 2ft (0.6m), 18s period with SW swell.
- Evening surf: Evening surf (14 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.
The current surf forecast for Diria at 4AM is: 0.6m 19s primary swell from a Southwest direction (forecast issued at 11:00pm September 13). An open ocean swell of 0.7m 8s is not directed at the surf break, a second open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 2ft (0.6m) | 19s |
| Afternoon (14 Sep) | 2ft (0.6m) | 18s |
| Evening (14 Sep) | 2.5ft (0.8m) | 18s |
Table - waves today at Diria. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue afternoon. Warm (max 32°C on Mon morning, min 26°C on Sun night). Wind will be generally light. | |||||||||||||||||
Monday 14 | Tuesday 15 | ||||||||||||||||
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 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 |
Wave Graph  | |||||||||||||||||
 kJ | 184 | 299 | 234 | 231 | 219 | 194 | 246 | 366 | 370 | 460 | 379 | 370 | 312 | 505 | 587 | 553 | 437 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | off | cross-off | cross-on | cross-on | cross-off | cross-off |
High Tide | 4:27AM2.60m | 4:49PM2.37m | 5:06AM2.52m | 5:29PM2.26m | |||||||||||||
Low Tide | 10:14PM0.15m | 10:44AM0.14m | 10:53PM0.23m | 11:23AM0.22m | |||||||||||||
 | |  |  |  | | | | | | | |  | | |  | | |
 | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 3 |
Temp °C | 27 | 26 | 26 | 26 | 30 | 32 | 32 | 29 | 27 | 27 | 26 | 26 | 30 | 32 | 30 | 28 | 28 |
Feels °C | 29 | 28 | 29 | 28 | 31 | 33 | 32 | 29 | 27 | 28 | 28 | 28 | 32 | 35 | 32 | 30 | 32 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SW 18 | SW 18 | S 8 | S 8 | SW 17 | SW 17 | SW 17 | SW 16 |
| kJ | 73 | 71 | 71 | 69 | 69 | 69 | 69 | 91 | 91 | 460 | 379 | 88 | 88 | 505 | 587 | 553 | 437 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 19 | SW 12 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | S 8 | S 8 | SW 18 | SW 18 | S 8 | S 8 | S 8 | S 8 |
| kJ | 136 | 134 | 234 | 95 | 219 | 194 | 246 | 366 | 370 | 92 | 90 | 370 | 312 | 90 | 90 | 113 | 111 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SW 19 | SW 13 | SW 19 | SW 12 | SW 12 | SW 12 | N 4 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 184 | 299 | 128 | 231 | 73 | 72 | 71 | 15 | 69 | 50 | 50 | 169 | 203 | 109 | 109 | 109 | 106 |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 4 | NNE 4 | NNE 4 | N 4 | — | — | — | N 5 | N 5 | NNE 4 | NNE 4 | NNE 4 | — | — | — | — |
| kJ | 6 | 7 | 7 | 6 | 9 | — | — | — | 15 | 11 | 6 | 7 | 6 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 14 | 14 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 56 | 0 | 0 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||
Header Global | |||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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