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Withernsea Surf Forecast
◀
6am Sat 20 Sep
1ft N
10kt SW
(Knee High)
0.3m @ 11.4s N (8°)
0.4m @ 9.2s N (1°)
12pm Sat 20 Sep
1ft N
3kt N
(Knee High)
0.5m @ 10s N (5°)
6pm Sat 20 Sep
1ft N
3kt E
(Knee High)
0.5m @ 10.6s N (6°)
0.5m @ 3.9s NNE (16°)
0.3m @ 4s S (179°)
6am Sun 21 Sep
3-4ft N
22kt NW
(Overhead)
2.8m @ 7.1s N (351°)
0.2m @ 13.3s N (6°)
12pm Sun 21 Sep
3ft N
19kt NNW
(Head High)
2.4m @ 7.8s N (351°)
6pm Sun 21 Sep
3ft N
20kt NNW
(Head High)
2.5m @ 8.2s N (352°)
6am Mon 22 Sep
3ft N
16kt NNW
(Head High)
2.3m @ 9.2s N (356°)
12pm Mon 22 Sep
3ft N
10kt NNW
(Head High)
2.1m @ 9.8s N (358°)
6pm Mon 22 Sep
3ft N
7kt N
(Head High)
1.8m @ 11s N (360°)
Sat
6am
Sat
12pm
Sat
6pm
Sun
6am
Sun
12pm
Sun
6pm
Mon
6am
Mon
12pm
Mon
6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
SW
10kt
A
N
3kt
A
E
3kt
A
NW
22kt
A
NNW
19kt
A
NNW
20kt
A
NNW
16kt
A
NNW
10kt
A
N
7kt
Tide Times & Weather
15°C // 15°C
7°C // 13°C
5°C // 13°C
▶
Surf Forecast Swell Train Analysis
Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Sat
20/09
12am
0.5ft
SW
8kt
0.4
m
9.5s
3 (N)
0.2
m
4.2s
176 (S)
6am
1ft
SW
10kt
0.3
m
11.4s
8 (N)
0.4
m
9.2s
1 (N)
12pm
1ft
N
3kt
0.5
m
10s
5 (N)
6pm
1ft
E
3kt
0.5
m
10.6s
6 (N)
0.5
m
3.9s
16 (NNE)
0.3
m
4s
179 (S)
Sat
20/09
1ft
N
3kt
0.5
m
10s
5 (N)
-
Sun
21/09
12am
3ft
NNW
30kt
2.5
m
5.9s
355 (N)
0.6
m
10.2s
7 (N)
0.4
m
4.7s
234 (SW)
6am
3-4ft
NW
22kt
2.8
m
7.1s
351 (N)
0.2
m
13.3s
6 (N)
12pm
3ft
NNW
19kt
2.4
m
7.8s
351 (N)
6pm
3ft
NNW
20kt
2.5
m
8.2s
352 (N)
Sun
21/09
3ft
NNW
19kt
2.4
m
7.8s
351 (N)
-
Mon
22/09
12am
3ft
N
18kt
2.4
m
8.6s
356 (N)
6am
3ft
NNW
16kt
2.3
m
9.2s
356 (N)
12pm
3ft
NNW
10kt
2.1
m
9.8s
358 (N)
6pm
3ft
N
7kt
1.8
m
11s
360 (N)
Mon
22/09
3ft
NNW
10kt
2.1
m
9.8s
358 (N)
- bulletin_datetime_utc => 2025-09-20 00:00:00
- location_identifier => 548
- timezone => Europe/London