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Surf Forecasts:

Playa de Rio Sieira / As Furnas surf break

Playa de Rio Sieira / As Furnas surfForecast / Galicia / Spain

information circle12 Day Weather and Surf, issued 6 pm Friday 30 Jan 2026 CET
Forecast update in hr  min  s Forecast update imminent
Playa de Rio Sieira / As Furnas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Playa de Rio Sieira / As Furnas sea temperature is
12.6° C
 (Which is 1.1°C colder than average for this time of year)

Best Forecast Surf Conditions for Playa de Rio Sieira / As Furnas this week:

The surf forecast for Playa de Rio Sieira / As Furnas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jan 30) at 10PM. The primary swell is predicted to be 8.0m and 15s period. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Playa de Rio Sieira / As Furnas in the next 12 days are 8.0m 16s and forecast to arrive on Saturday (Jan 31) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Sunday (Feb 01) at 7PM.

Wave TypeTime (CET) & Date Wave Height & Period
Next good surf (1 star+)10PM (Fri 30th Jan)26ft (8.0m) 15s
Best Surf10PM (Fri 30th Jan)26ft (8.0m) 15s
Most Powerful 1AM (Sat 31st Jan)26ft (8.0m) 16s

Table - best surf conditions forecast for Playa de Rio Sieira / As Furnas over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 65mm), heaviest during Sun night. Very mild (max 14°C on Sun night, min 10°C on Fri afternoon). Winds decreasing (near gales from the WNW on Fri night, light winds from the SW by Sun morning).

Days 3-6 Weather Summary Heavy rain (total 44mm), heaviest during Wed night. Very mild (max 13°C on Wed night, min 10°C on Mon night). Winds decreasing (strong winds from the W on Mon night, light winds from the S by Tue morning).

Fri
30
Saturday
31
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
!
!
!
!
!
!
3
0
0
0
0
!
!
!
!
4
!
0
!
!
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
6.5
W
8
W
6
W
5
W
4
W
3
W
2.5
W
2.5
WNW
5
WSW
6
W
5
W
5.5
W
6
W
4.5
W
3
WNW
2.4
WNW
3.5
WSW
4
WSW
4.5
WSW
5
W
5.5
W
Period(s) (?)171616151413131610131316161514131211111716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)230782909815687108046200318324943622512611507868514778162788911344519453493338841741522114281
Wind
(km/h)
45
WSW
50
WNW
25
W
20
SW
35
S
15
SW
25
S
55
S
50
W
40
W
35
WSW
20
SW
10
NW
15
SSW
40
SSE
25
SSE
15
SE
30
WSW
30
WSW
35
W
25
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		crosscross-
off		crosscross-
off		cross-
off		cross-
on		cross-
on		cross-
on		crossoncross-
off		cross-
off		cross-
off		offcross-
on		crosscross-
on		cross-
on
High Tide
/ height (m)
2:31AM
2.96
3:04PM
2.83
3:22AM
3.18
3:51PM
2.96
4:07AM
3.34
4:33PM
3.03
4:48AM
3.41
5:13PM
3.04
5:27AM
3.37
5:50PM
2.98
6:05AM
3.25
6:26PM
2.88
6:41AM
3.05
Low Tide
/ height (m)
8:13PM
0.52
8:51AM
0.28
9:04PM
0.33
9:40AM
0.09
9:49PM
0.18
10:24AM
-0.03
10:31PM
0.09
11:04AM
-0.06
11:10PM
0.08
11:42AM
-0.00
11:47PM
0.14
12:18PM
0.13
12:24AM
0.27
12:53PM
0.31
Fri
30
Saturday
31
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Sunrise--8:52--8:49--8:48--8:48--8:47--8:45--8:45
Sunset6:45--6:46--6:47--6:50--6:51--6:52--6:53--
thunderstorm
rain showers
part cloud
part cloud
light rain
part cloud
light rain
heavy rain
light rain
thunderstorm
mod rain
light rain
rain showers
light rain
light rain
cloud
heavy rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
43--4-2484475445-114473
Temp. °C121112131213131411111110111111121313131212
Feels °C (?)3368611972325883997767
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Playa de Rio Sieira / As Furnas at:
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Information about the Playa de Rio Sieira / As Furnas Surf forecast

The above surf forecast table for Playa de Rio Sieira / As Furnas provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Playa de Rio Sieira / As Furnas can be found by selecting the local surf guide option on the grey menu. Our Playa de Rio Sieira / As Furnas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Playa de Rio Sieira / As Furnas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Playa de Rio Sieira / As Furnas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Galicia? If you are looking for accommodation near Playa de Rio Sieira / As Furnas, camping, hotels and holiday cottages in Galicia, consider staying in Boiro which is 12 km (7 miles) away. Other places in and around Galicia where you can find information about places to rent, and car hire include Muros which is 16 km (10 miles) away, Villagarcia, Sanxenxo and Poio.

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