Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Tamarindo surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 11 am Sunday 14 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Tamarindo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tamarindo sea temperature is
28.4° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Tamarindo today?
The current surf forecast for Tamarindo at 4PM is: 0.8m 6s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a Southwest direction (forecast issued at 11:00am December 14). The wind direction is predicted to be offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 2.5ft (0.8m) | 7s |
| Afternoon (14 Dec) | 1.5ft (0.4m) | 12s |
| Evening (14 Dec) | 2.5ft (0.8m) | 7s |
Table - waves today at Tamarindo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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) (?) | 7 | 12 | 12 | 7 | 7 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 6 | 16 | 16 | 16 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 62 | 35 | 35 | 60 | 60 | 75 | 104 | 75 | 75 | 76 | 77 | 60 | 56 | 91 | 91 | 91 | 62 | 62 | 62 | 96 | 134 | 171 | 171 | 134 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off |
High Tide / height (m) | 10:21AM 1.83 | 10:46PM 2.10 | 11:22AM 1.82 | 11:38PM 2.11 | 12:16PM 1.84 | 12:26AM 2.13 | ||||||||||||||||||
Low Tide / height (m) | 4:23PM 0.71 | 5:19AM 0.65 | 5:19PM 0.74 | 6:11AM 0.59 | 6:10PM 0.72 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | 5:50 | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 |
| Sunset | - | - | 5:22 | - | - | - | - | - | - | - | 5:23 | - | - | - | - | - | - | - | 5:23 | - | - | - | - | - |
 |  |  |  |  | | | | | | | | |  | | | | | | | | | |  | |
Rain (mm) | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 29 | 29 | 27 | 25 | 24 | 24 | 24 | 26 | 28 | 29 | 27 | 25 | 25 | 24 | 23 | 26 | 29 | 29 | 27 | 25 | 25 | 24 | 24 |
| Feels °C (?) | 29 | 32 | 32 | 30 | 26 | 25 | 25 | 25 | 25 | 28 | 29 | 27 | 25 | 26 | 26 | 24 | 26 | 30 | 30 | 28 | 27 | 27 | 26 | 26 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
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 Tamarindo 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