- Forecast
- Maps
- Live
- Weather State
- Spot Information
Nosara Beach Surf Forecast
/ Guanacaste (28 surf breaks) /
Surf Forecasts:
Nosara Beach surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 am Thursday 18 Sep 2025 CST
How big are the waves at Nosara Beach today?
The current surf forecast for Nosara Beach at 7AM is: 1.0m 14s primary swell from a Southwest direction and 0.8m 14s secondary swell from a South-southwest direction (forecast issued at 05:00am September 18). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3.5ft (1.0m) | 14s |
| Afternoon (18 Sep) | 3.5ft (1.0m) | 14s |
| Evening (18 Sep) | 3.5ft (1.1m) | 14s |
Table - waves today at Nosara Beach. (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 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 395 | 390 | 395 | 390 | 384 | 368 | 443 | 357 | 309 | 299 | 295 | 290 | 199 | 190 | 193 | 159 | 157 | 152 | 164 | 164 | 164 | 167 | 134 | 191 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross | cross- on | on | on | on | glass | glass | glass | glass | glass | cross | cross- on | glass | glass | glass |
High Tide / height (m) | 11:57AM 1.90 | 12:37AM 1.90 | 12:56PM 1.96 | 1:27AM 2.02 | 1:45PM 2.03 | |||||||||||||||||||
Low Tide / height (m) | 5:43AM 0.58 | 6:19PM 0.44 | 6:46AM 0.50 | 7:11PM 0.38 | 7:37AM 0.41 | 7:56PM 0.32 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:40 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - |
 |  | | |  |  | |  | | |  | | | | | | |  | | | | | | | |
Rain (mm) | 2 | 3 | 2 | 2 | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | 2 | 2 | 2 | 2 | 1 |
| Temp. °C | 25 | 25 | 26 | 25 | 24 | 24 | 24 | 25 | 24 | 24 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 26 | 26 |
| Feels °C (?) | 28 | 28 | 29 | 28 | 27 | 27 | 27 | 28 | 27 | 27 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 32 | 30 | 30 | 30 | 30 | 31 |
- 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 Nosara Beach (light winds from the E at Juan Santamaria Airport 163 km from Nosara Beach). 0.9m 14s groundswell from the SW with a 0.7m 6s windswell from the WSW. 2 swells combining to make bigger set waves.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nosara Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest