Surf Forecasts:
How big are the waves at Guiones today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 3ft (0.9m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 3ft (0.9m), 14s period with SW swell.
- Evening surf: Evening surf (19 Aug, local time) - 2.5ft (0.8m), 14s period with SW swell.
The current surf forecast for Guiones at 1AM is: 1.0m 16s primary swell from a Southwest direction and 0.9m 8s secondary swell from a South direction (forecast issued at 05:00pm August 18). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 3ft (0.9m) | 15s |
| Afternoon (19 Aug) | 3ft (0.9m) | 14s |
| Evening (19 Aug) | 2.5ft (0.8m) | 14s |
Table - waves today at Guiones. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Thu night. Warm (max 30°C on Fri morning, min 26°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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 14 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 8 | SSW 11 | SSW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 401 | 471 | 539 | 539 | 459 | 360 | 355 | 350 | 350 | 301 | 245 | 238 | 224 | 186 | 144 | 140 | 154 | 286 | 297 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | off | off | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | off | off | cross-on | cross-on | cross | glassy |
High Tide | 6:43PM1.94m | 7:04AM2.07m | 7:29PM1.80m | 7:50AM1.94m | 8:19PM1.66m | ||||||||||||||
Low Tide | 12:40PM0.33m | 00:48AM0.40m | 1:26PM0.45m | 1:32AM0.54m | 2:16PM0.56m | ||||||||||||||
 |  | | |  |  |  | | | | | | | | | |  | | | |
 | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | 5:59 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | 3 | 4 | 4 | 2 | — | — | — | 1 | 5 | 3 | 1 | — | — | — | — | — | — | 4 | 12 |
Temp °C | 29 | 27 | 27 | 26 | 26 | 26 | 27 | 29 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 29 | 29 | 28 | 27 |
Feels °C | 32 | 31 | 31 | 30 | 30 | 30 | 31 | 34 | 33 | 32 | 30 | 30 | 30 | 30 | 31 | 32 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | S 8 | S 8 | S 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 11 | SSW 11 |
| kJ | 401 | 471 | 539 | 539 | 459 | 360 | 355 | 350 | 350 | 113 | 116 | 122 | 126 | 120 | 118 | 120 | 154 | 286 | 297 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 98 | 120 | 98 | 98 | 93 | 100 | 91 | 88 | 90 | 301 | 245 | 238 | 224 | 186 | 144 | 140 | 140 | 138 | 138 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 12 | S 12 | S 12 | S 12 | S 11 | SW 6 | S 11 | NW 14 | NW 9 | NW 9 | NW 8 | S 14 | S 14 | S 13 | S 13 | S 13 | SW 18 | W 13 |
| kJ | 8 | 3 | 11 | 3 | 11 | 10 | 10 | 2 | 8 | 3 | 3 | 3 | 4 | 15 | 13 | 30 | 29 | 13 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 39 | 26 | 0 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||
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