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Playa de Rio Sieira / As Furnas surf break

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

information circle12 Day Weather and Surf, issued 7 am Tuesday 12 Aug 2025 CEST
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
18.2° C
 (Which is slightly cooler than normal)

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 Thursday (Aug 14) at 8PM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.2m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Playa de Rio Sieira / As Furnas in the next 12 days are 1.1m 11s and forecast to arrive on Tuesday (Aug 12) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Friday (Aug 15) at 11AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Thu 14th Aug)2.5ft (0.8m) 7s
Best Surf 8PM (Thu 14th Aug)2.5ft (0.8m) 7s
Most Powerful 2PM (Tue 12th Aug)3.5ft (1.1m) 11s

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

Hourly12 Days
Galicia Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 

Short Range Forecast Mostly dry. Warm (max 26°C on Thu night, min 17°C on Tue night). Winds increasing (calm on Tue morning, fresh winds from the NW by Wed afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Sat night, min 16°C on Sun morning). Wind will be generally light.

Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
1
0
0
0
0
0
1
1
1
0
1
0
0
1
0
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
W
1.1
WNW
1
WNW
1
WNW
1.2
NW
0.9
NW
0.8
NW
0.8
NW
0.6
WNW
0.2
SSW
0.7
NW
0.9
WNW
0.9
WNW
0.9
WNW
0.8
WNW
0.5
NW
0.8
WNW
0.6
W
0.5
W
0.6
W
0.4
WSW
Period(s) (?)1110109988771510101099887776
Wave
Graph
(?)Metric surfscale
Energy (?)30827022017023512679834347125181180169127548255334725
Wind
(km/h)
0
NE
10
N
10
N
10
N
30
NW
15
NNE
10
NNE
10
NW
5
ESE
15
S
10
SSW
5
NNW
5
WNW
15
WNW
10
NNE
5
N
20
NW
5
ENE
5
S
10
SW
5
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on		cross-
on		cross-
on		oncross-
on		crossoncross-
off		cross-
off		cross-
off		cross-
on		glassoncross-
on		glassonglasscross-
off		crossglass
High Tide
/ height (m)
6:58PM
3.28
7:23AM
2.97
7:39PM
3.16
8:05AM
2.87
8:25PM
2.96
8:53AM
2.73
9:17PM
2.72
9:50AM
2.57
10:24PM
2.48
11:04AM
2.45
11:50PM
2.33
12:31PM
2.44
1:22AM
2.34
Low Tide
/ height (m)
12:42PM
0.12
1:13AM
0.04
1:23PM
0.19
1:53AM
0.16
2:07PM
0.33
2:38AM
0.36
2:59PM
0.51
3:31AM
0.59
4:02PM
0.71
4:37AM
0.80
5:25PM
0.84
6:02AM
0.92
7:00PM
0.82
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Sunrise7:37--7:39--7:41--7:41--7:43--7:43--7:45--
Sunset-9:43--9:40--9:39--9:37--9:37--9:35--9:34-
part cloudpart cloudpart cloudclearclearclearclearclearclearclearclearclearclearpart cloudclearclearpart cloudpart cloudclearpart cloudpart cloud
Rain (mm)
---------------------
Temp. °C222020202324212526192018192021192020171918
Feels °C (?)232019201921212527192020202020201818171919
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Eyeball surf reportRecent Eyeball Surf Reports for Galicia

  1. weather stationWind Update Continuing clean conditions at Playa de Rio Sieira / As Furnas (calm at Ortoño wx 41 km from Playa de Rio Sieira / As Furnas). 1.2m 11s groundswell from the WNW with a 0.5m 7s swell from the NW and a 0.5m 4s local chop from the NNW as well as a 0.4m 9s swell, also from the NNW. 4 swells combining to make bigger set waves.

    48 minutes ago Playa de Rio Sieira / As Furnas
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41 km away, 48 min ago

0 km/h
N
0.0
18.2
Air / Water (°C)
Please reload the page to see if there are any updates.

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 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.

View detailed surf forecast for Playa de Rio Sieira / As Furnas at:
surf-forecast.com

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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