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.
Surf Forecasts:

The current surf forecast for Playa de Rio Sieira / As Furnas at 2AM is: 1.6m 10s primary swell from a West-northwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 12:00am December 01). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Dec) | 3.5ft (1.1m) | 10s |
| Afternoon (01 Dec) | 4.5ft (1.3m) | 9s |
| Evening (01 Dec) | 10ft (3.0m) | 10s |
Table - waves today at Playa de Rio Sieira / As Furnas. (Swell directed towards the surf break)
Monday 01 | Tuesday 02 | Wednesday 03 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | WNW | WNW | WNW | W | WNW | WNW | WNW | W | W | WNW | WNW | WNW | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW |
| Period(s) (?) | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 12 | 13 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 14 |
Wave (?)Graph | ||||||||||||||||||||||||
| 551 | 520 | 473 | 353 | 237 | 416 | 312 | 1082 | 1835 | 2667 | 5333 | 5175 | 3809 | 5252 | 7430 | 7787 | 8651 | 9238 | 8691 | 8009 | 7370 | 6743 | 6040 | 5195 | |
Wind (km/h) | ENE | SE | SSE | S | S | S | SSW | W | WNW | WNW | WNW | WNW | WNW | W | WNW | NNW | NNW | NNW | NNW | NE | ESE | SW | SW | SSW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | on | on | cross- on | on | cross- on | cross- on | cross- on | on | on | on | cross- on | glass | glass | cross | cross | cross- off |
High Tide / height (m) | 12:12AM 2.54 | 12:29PM 2.75 | 1:07AM 2.77 | 1:26PM 2.91 | 1:57AM 2.99 | 2:20PM 3.05 | ||||||||||||||||||
Low Tide / height (m) | 6:16AM 0.67 | 6:49PM 0.39 | 7:13AM 0.46 | 7:41PM 0.24 | 8:07AM 0.24 | |||||||||||||||||||
Monday 01 | Tuesday 02 | Wednesday 03 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:47 | - | - | - |
| Sunset | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:02 | - |
Rain (mm) | - | - | - | - | - | - | 2 | 13 | 7 | 1 | 1 | 2 | 1 | 1 | 6 | 4 | 1 | 2 | 1 | - | 1 | 1 | - | 1 |
| Temp. °C | 11 | 10 | 10 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 10 | 11 | 11 | 11 | 11 | 10 | 11 | 13 | 13 | 12 |
| Feels °C (?) | 9 | 8 | 7 | 8 | 6 | 5 | 4 | 10 | 8 | 8 | 7 | 6 | 7 | 7 | 5 | 4 | 5 | 5 | 6 | 8 | 9 | 10 | 7 | 5 |

Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.

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.

Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.

With or without a surfboard, Costa Rica is a bucket list destination that has shown what a nation is capable of when nature is put first.
Discover more articles and updates in the Greenroom.
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Playa de Rio Sieira / As Furnas 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.

