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Rio Sieira Surf Forecast

Basic // Advanced
◀
6am Tue 01 Apr
4ft WNW 11kt S
(Overhead)
1.5m @ 11.9s WNW (292°)
0.3m @ 7.6s NE (47°)
12pm Tue 01 Apr
4ft WNW 14kt S
(Overhead)
1.6m @ 11.7s WNW (289°)
0.7m @ 3.5s S (181°)
0.3m @ 7.6s NE (50°)
6pm Tue 01 Apr
3ft WNW 13kt S
(Head High)
1.4m @ 11.1s WNW (286°)
1.0m @ 4.3s S (180°)
0.2m @ 7.6s NE (49°)
6am Wed 02 Apr
3ft WNW 10kt E
(Head High)
1.3m @ 10.4s WNW (283°)
0.6m @ 4.7s S (178°)
0.4m @ 7.8s NE (48°)
12pm Wed 02 Apr
3ft WNW 11kt E
(Head High)
1.3m @ 10.4s WNW (283°)
0.6m @ 3.6s NE (53°)
0.4m @ 8.1s NE (47°)
6pm Wed 02 Apr
3ft WNW 7kt S
(Head High)
1.4m @ 10.6s WNW (282°)
1.0m @ 7s NE (47°)
0.9m @ 5.3s S (187°)
6am Thu 03 Apr
5-6ft WNW 13kt S
(2x Overhead)
2.2m @ 12.5s WNW (284°)
1.2m @ 5.8s SSW (193°)
1.0m @ 8.2s NE (43°)
12pm Thu 03 Apr
5ft WNW 17kt SSE
(1.5x Overhead)
1.9m @ 12.1s WNW (286°)
1.3m @ 5.8s S (186°)
0.8m @ 8.2s NE (38°)
6pm Thu 03 Apr
2-3ft NW 17kt SE
(Shoulder-Head High)
1.1m @ 11.3s NW (310°)
1.0m @ 11.7s W (261°)
1.5m @ 5.4s S (178°)

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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
S 11kt
A
S 14kt
A
S 13kt
A
E 10kt
A
E 11kt
A
S 7kt
A
S 13kt
A
SSE 17kt
A
SE 17kt
Tide Times & Weather
Mostly cloudy 13°C // 17°C
Heavy rain 12°C // 17°C
Possible shower 11°C // 16°C
▶

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Tue 01/04
12am
3-4ft
ESE 4kt
1.4 m
11.8s 293 (WNW)
0.8 m
6.6s 46 (NE)
0.2 m
9.7s 357 (N)
6am
4ft
S 11kt
1.5 m
11.9s 292 (WNW)
0.3 m
7.6s 47 (NE)
12pm
4ft
S 14kt
1.6 m
11.7s 289 (WNW)
0.7 m
3.5s 181 (S)
0.3 m
7.6s 50 (NE)
6pm
3ft
S 13kt
1.4 m
11.1s 286 (WNW)
1.0 m
4.3s 180 (S)
0.2 m
7.6s 49 (NE)
+
Tue 01/04
4ft
S 14kt
1.6 m
11.7s 289 (WNW)
0.7 m
3.5s 181 (S)
0.3 m
7.6s 50 (NE)
-
Wed 02/04
12am
3ft
SE 9kt
1.4 m
10.8s 283 (WNW)
0.8 m
4.5s 181 (S)
0.4 m
7.5s 49 (NE)
6am
3ft
E 10kt
1.3 m
10.4s 283 (WNW)
0.6 m
4.7s 178 (S)
0.4 m
7.8s 48 (NE)
12pm
3ft
E 11kt
1.3 m
10.4s 283 (WNW)
0.6 m
3.6s 53 (NE)
0.4 m
8.1s 47 (NE)
6pm
3ft
S 7kt
1.4 m
10.6s 282 (WNW)
1.0 m
7s 47 (NE)
0.9 m
5.3s 187 (S)
+
Wed 02/04
3ft
E 11kt
1.3 m
10.4s 283 (WNW)
0.6 m
3.6s 53 (NE)
0.4 m
8.1s 47 (NE)
-
Thu 03/04
12am
5ft
S 13kt
1.9 m
12.3s 282 (WNW)
1.3 m
7.9s 44 (NE)
1.2 m
5.7s 191 (S)
6am
5-6ft
S 13kt
2.2 m
12.5s 284 (WNW)
1.2 m
5.8s 193 (SSW)
1.0 m
8.2s 43 (NE)
12pm
5ft
SSE 17kt
1.9 m
12.1s 286 (WNW)
1.3 m
5.8s 186 (S)
0.8 m
8.2s 38 (NE)
6pm
2-3ft
SE 17kt
1.1 m
11.3s 310 (NW)
1.0 m
11.7s 261 (W)
1.5 m
5.4s 178 (S)
+
Thu 03/04
5ft
SSE 17kt
1.9 m
12.1s 286 (WNW)
1.3 m
5.8s 186 (S)
0.8 m
8.2s 38 (NE)
  • bulletin_datetime_utc => 2025-04-01 06:00:00
  • location_identifier => 421
  • timezone => Europe/Madrid