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Rio Sieira Surf Forecast

Basic // Advanced
◀
6am Tue 22 Apr
4ft WNW 6kt NW
(Overhead)
2.1m @ 9.8s WNW (297°)
0.7m @ 8.4s N (357°)
12pm Tue 22 Apr
4ft WNW 7kt NW
(Overhead)
2.2m @ 9.5s WNW (299°)
0.4m @ 8.6s N (355°)
6pm Tue 22 Apr
4ft WNW 9kt WNW
(Overhead)
2.1m @ 9.4s WNW (299°)
0.2m @ 9.1s N (354°)
6am Wed 23 Apr
3ft WNW 6kt WNW
(Head High)
1.7m @ 9.2s WNW (294°)
0.5m @ 11.1s NNW (329°)
12pm Wed 23 Apr
3-4ft WNW 4kt NNW
(Overhead)
1.9m @ 9.6s WNW (296°)
6pm Wed 23 Apr
5ft WNW 9kt NNW
(1.5x Overhead)
2.1m @ 10.6s WNW (297°)
6am Thu 24 Apr
5ft WNW 12kt NNE
(1.5x Overhead)
2.0m @ 10.6s WNW (297°)
12pm Thu 24 Apr
4-5ft WNW 12kt NNE
(Well Overhead)
1.9m @ 10.7s WNW (296°)
0.3m @ 16.5s WNW (289°)
0.2m @ 10.7s N (349°)
6pm Thu 24 Apr
5ft WNW 12kt N
(1.5x Overhead)
1.9m @ 11.7s WNW (293°)
1.0m @ 15s WNW (287°)
0.6m @ 3.6s N (353°)

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Tue 6am
Tue 12pm
Tue 6pm
Wed 6am
Wed 12pm
Wed 6pm
Thu 6am
Thu 12pm
Thu 6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
NW 6kt
A
NW 7kt
A
WNW 9kt
A
WNW 6kt
A
NNW 4kt
A
NNW 9kt
A
NNE 12kt
A
NNE 12kt
A
N 12kt
Tide Times & Weather
Mostly sunny 10°C // 16°C
Mostly sunny 10°C // 18°C
Mostly sunny 12°C // 19°C
▶

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Tue 22/04
12am
4-5ft
NW 4kt
1.9 m
10s 292 (WNW)
1.0 m
8.4s 350 (N)
6am
4ft
NW 6kt
2.1 m
9.8s 297 (WNW)
0.7 m
8.4s 357 (N)
12pm
4ft
NW 7kt
2.2 m
9.5s 299 (WNW)
0.4 m
8.6s 355 (N)
6pm
4ft
WNW 9kt
2.1 m
9.4s 299 (WNW)
0.2 m
9.1s 354 (N)
+
Tue 22/04
4ft
NW 7kt
2.2 m
9.5s 299 (WNW)
0.4 m
8.6s 355 (N)
-
Wed 23/04
12am
3-4ft
WNW 8kt
1.8 m
9.3s 296 (WNW)
0.6 m
11.4s 329 (NNW)
6am
3ft
WNW 6kt
1.7 m
9.2s 294 (WNW)
0.5 m
11.1s 329 (NNW)
12pm
3-4ft
NNW 4kt
1.9 m
9.6s 296 (WNW)
6pm
5ft
NNW 9kt
2.1 m
10.6s 297 (WNW)
+
Wed 23/04
3-4ft
NNW 4kt
1.9 m
9.6s 296 (WNW)
-
Thu 24/04
12am
4-6ft
NNE 11kt
2.1 m
10.8s 297 (WNW)
6am
5ft
NNE 12kt
2.0 m
10.6s 297 (WNW)
12pm
4-5ft
NNE 12kt
1.9 m
10.7s 296 (WNW)
0.3 m
16.5s 289 (WNW)
0.2 m
10.7s 349 (N)
6pm
5ft
N 12kt
1.9 m
11.7s 293 (WNW)
1.0 m
15s 287 (WNW)
0.6 m
3.6s 353 (N)
+
Thu 24/04
4-5ft
NNE 12kt
1.9 m
10.7s 296 (WNW)
0.3 m
16.5s 289 (WNW)
0.2 m
10.7s 349 (N)
  • bulletin_datetime_utc => 2025-04-21 18:00:00
  • location_identifier => 421
  • timezone => Europe/Madrid
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