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:
Langosta surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 pm Saturday 13 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Langosta surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Langosta sea temperature is
28.6° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Langosta today?
The current surf forecast for Langosta at 12AM is: 0.9m 7s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a Southwest direction (forecast issued at 05:00pm December 13). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | - | - |
| Afternoon (14 Dec) | 1ft (0.3m) | 12s |
| Evening (14 Dec) | 3ft (0.9m) | 7s |
Table - waves today at Langosta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 7 | 7 | 16 | 16 | 16 | 7 | 12 | 12 | 7 | 7 | 15 | 15 | 7 | 7 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 23 | 82 | 79 | 79 | 91 | 67 | 62 | 35 | 35 | 60 | 60 | 75 | 104 | 77 | 77 | 76 | 77 | 83 | 43 | 91 | 91 | 91 | 62 | 62 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | off | off | cross- off | glass | cross- on | 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 |
High Tide / height (m) | 9:51PM 2.12 | 10:21AM 1.83 | 10:46PM 2.10 | 11:22AM 1.82 | 11:38PM 2.11 | |||||||||||||||||||
Low Tide / height (m) | 3:26PM 0.64 | 4:21AM 0.67 | 4:23PM 0.71 | 5:19AM 0.65 | 5:19PM 0.74 | 6:11AM 0.59 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - |
| Sunset | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:23 | - | - | - | - | - | - | - |
 |  | |  | |  | | |  |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 29 | 28 | 26 | 24 | 24 | 24 | 27 | 29 | 28 | 27 | 25 | 25 | 24 | 24 | 27 | 29 | 29 | 27 | 25 | 24 | 23 | 23 | 26 | 29 |
| Feels °C (?) | 30 | 28 | 26 | 25 | 26 | 26 | 29 | 32 | 32 | 31 | 27 | 27 | 25 | 26 | 27 | 29 | 29 | 28 | 25 | 25 | 24 | 24 | 25 | 29 |
- 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 Langosta 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