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Surf Forecasts:
Raps surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 am Thursday 18 Sep 2025 CST
How big are the waves at Raps today?
The current surf forecast for Raps at 10AM is: 1.1m 14s primary swell from a Southwest direction and 0.7m 14s secondary swell from a South-southwest direction, 1.1m 7s secondary swell from a Southwest direction (forecast issued at 05:00am September 18). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3.5ft (1.1m) | 14s |
| Afternoon (18 Sep) | 3.5ft (1.0m) | 14s |
| Evening (18 Sep) | 3.5ft (1.1m) | 14s |
Table - waves today at Raps. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 395 | 390 | 447 | 390 | 384 | 368 | 443 | 357 | 309 | 299 | 295 | 290 | 199 | 219 | 193 | 159 | 159 | 152 | 206 | 164 | 164 | 167 | 134 | 191 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | glass | glass | glass | glass | glass | on | on | on | glass | glass |
High Tide / height (m) | 11:56AM 2.10 | 12:36AM 2.08 | 12:55PM 2.16 | 1:27AM 2.21 | 1:44PM 2.22 | |||||||||||||||||||
Low Tide / height (m) | 5:41AM 0.64 | 6:18PM 0.49 | 6:44AM 0.56 | 7:11PM 0.42 | 7:36AM 0.46 | 7:55PM 0.36 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:40 | - | - | - | - | - | - | - | 5:39 | - | - | - |
 |  |  | |  |  | |  | |  |  | | | | | | | | | | | | | | |
Rain (mm) | 3 | 3 | 1 | 1 | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | 2 | 1 | 2 | 2 | 1 |
| Temp. °C | 25 | 25 | 26 | 26 | 25 | 24 | 25 | 25 | 24 | 24 | 27 | 28 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 27 | 28 | 26 | 26 | 25 |
| Feels °C (?) | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 31 | 31 | 29 | 29 | 30 | 29 | 30 | 30 | 32 | 30 | 31 | 30 | 30 | 30 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Guanacaste
Continuing clean conditions at Raps (calm at Liberia/Tomas Guardia Airport 57 km from Raps). 0.9m 14s groundswell from the SW with a 0.7m 14s groundswell from the S and a 0.7m 6s windswell from the SW as well as a 0.6m 7s swell from the SSW. 4 swells combining to make bigger set waves.
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