Playa de Rio Sieira / As Furnas Surf Break

Lat Long: 42.63° N 9.05° W

Playa de Rio Sieira / As Furnas 48 hour detailed Surf Forecast

Issued: 7 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Playa de Rio Sieira / As Furnas sea temperature is
18.9° C
0.1° 

Playa de Rio Sieira / As Furnas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Playa de Rio Sieira / As Furnas today (06 Aug):

  • Afternoon surf: Afternoon surf (06 Aug, local time) - 1.5ft (0.5m), 10s period with W swell.
  • Evening surf: Evening surf (06 Aug, local time) - 1.5ft (0.4m), 10s period with W swell.

The current surf forecast for Playa de Rio Sieira / As Furnas at 10PM is: 0.5m 8s primary swell from a North-northwest direction and 0.4m 10s secondary swell from a West direction, 0.4m 3s secondary swell from a Northwest direction (forecast issued at 07:00pm August 06). The wind direction is predicted to be glassy.

Time (CEST) & DateWave HeightWave Period
Morning (06 Aug)--
Afternoon (06 Aug)1.5ft (0.5m)10s
Evening (06 Aug)1.5ft (0.4m)10s

Table - waves today at Playa de Rio Sieira / As Furnas. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 24°C on Thu night, min 18°C on Fri morning). Wind will be generally light.

Thu
6
Friday
7
Saturday
8
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
1
1
1
1
0
0
1
0
0
0
0
0
0
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
NNW
8
0.4
W
10
0.4
W
10
0.4
W
9
0.4
W
9
0.4
W
9
0.3
W
9
0.4
W
9
0.4
W
9
0.3
W
9
0.3
W
9
0.2
W
9
0.2
W
9
0.3
W
9
0.2
W
9
0.5
W
7
0.6
W
7
0.7
W
7
0.7
W
7
Wave Graph
Metric surfscale
Energy kJ
46
39
38
28
27
27
15
26
26
14
14
7
7
14
6
26
35
45
45
Wind (km/h)
10
WNW
5
WNW
5
ENE
5
ENE
5
NE
5
E
5
S
10
WSW
5
WNW
5
WNW
0
SSW
5
SSE
5
SE
5
SE
10
S
10
SW
10
SW
10
SSW
5
SSE
Wind State
on
cross-on
cross-off
cross-off
glassy
cross-off
glassy
cross-on
glassy
glassy
glassy
glassy
glassy
off
cross-off
cross
cross
cross-off
cross-off
High Tide
10:28PM2.46m
11:11AM2.42m
11:51PM2.37m
12:35PM2.46m
Low Tide
4:08PM0.79m
4:45AM0.79m
5:28PM0.86m
6:08AM0.85m
6:59PM0.79m
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:33
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:51
9:49
9:47
 mm
Temp °C
22
24
21
20
19
18
20
19
20
20
19
19
18
18
20
20
21
21
20
Feels °C
21
24
22
20
20
19
21
19
21
21
21
20
19
19
21
20
22
23
22
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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