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Playa Negra Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Playa Negra surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 11 am Thursday 18 Sep 2025 CST
How big are the waves at Playa Negra today?
The current surf forecast for Playa Negra at 1PM is: 1.0m 14s primary swell from a Southwest direction and 0.7m 14s secondary swell from a South-southwest direction, 0.9m 6s secondary swell from a South-southwest direction (forecast issued at 11:00am September 18). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| 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 Playa Negra. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 447 | 440 | 384 | 368 | 437 | 352 | 309 | 299 | 295 | 290 | 199 | 199 | 193 | 187 | 154 | 178 | 164 | 162 | 164 | 167 | 132 | 74 | 106 | 134 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | glass | glass | glass | glass | glass | on | on | on | glass | glass | 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 | 2:10AM 2.32 | ||||||||||||||||||
Low Tide / height (m) | 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 | Sunday 21 | |||||||||||||||||||||
| Sunrise | 5:31 | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 |
| Sunset | - | - | 5:42 | - | - | - | - | - | - | - | 5:40 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - |
 | | |  |  | |  |  | | | |  | | | |  | | | | | | | | | |
Rain (mm) | 1 | 1 | 1 | - | 1 | 1 | - | - | - | 4 | 1 | 1 | - | - | - | - | - | 2 | 2 | 1 | 2 | 1 | - | - |
| Temp. °C | 26 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 27 | 28 | 26 | 26 | 26 | 25 | 25 |
| Feels °C (?) | 28 | 27 | 28 | 28 | 27 | 27 | 28 | 28 | 30 | 29 | 29 | 29 | 30 | 29 | 30 | 30 | 32 | 30 | 32 | 30 | 31 | 31 | 29 | 29 |
- Map Icons:
Break
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 Playa Negra (light winds from the WSW at DanielOduberInt. Airport 56 km from Playa Negra). 0.9m 14s groundswell from the SW with a 0.9m 7s swell, also from the SW. 2 swells combining to make bigger set waves.
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