Shonan surf break

Shonan surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Saturday 23 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Shonan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shonan sea temperature is
20.6° C
(Which is normal for this time of year)

How big are the waves at Shonan today?

The current surf forecast for Shonan at 9AM is: 0.1m 11s primary swell from a Southeast direction and 0.2m 7s secondary swell from a South direction (forecast issued at 02:00am May 23). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (23 May)0.5ft (0.2m)7s
Afternoon (23 May)0.5ft (0.1m)11s
Evening (23 May)0.5ft (0.2m)5s

Table - waves today at Shonan. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 22°C on Mon morning, min 13°C on Sat morning). Wind will be generally light.

Saturday
23
Sunday
24
Monday
25
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.3
S
8
0.2
S
7
0.2
S
7
0.2
S
7
0.2
S
7
0.1
SE
11
0.1
SE
7
0.2
ESE
5
0.4
SE
6
0.4
SE
6
0.4
SSE
6
0.5
SE
6
0.6
SSE
6
0.6
SSE
6
0.6
SSE
6
0.7
SSE
7
0.7
SSE
7
0.7
SE
7
0.7
SE
7
0.7
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.5
SE
7
Wave Graph
Metric surfscale
Energy kJ
10
4
5
5
5
5
2
3
10
14
15
18
25
26
28
41
43
53
54
56
44
44
44
27
Wind (km/h)
30
NNE
25
NNE
25
NNE
25
NNE
20
NNE
15
NE
15
ENE
20
ENE
15
NNE
15
NNE
15
NNE
15
NE
10
E
5
SE
5
SE
5
ENE
10
N
10
N
10
N
10
ENE
5
SSE
10
S
10
SSW
10
SSW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
glassy
cross-off
cross-off
cross-off
cross
on
cross-on
cross-on
cross-on
High Tide
10:39PM1.27m
8:20AM1.23m
11:32PM1.27m
10:09AM1.11m
00:15AM1.28m
12:15PM1.08m
Low Tide
3:37AM1.04m
3:56PM0.43m
5:23AM0.94m
5:03PM0.58m
6:44AM0.78m
6:10PM0.69m
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:31
4:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:44
6:45
6:45
Temp °C
12
13
13
13
15
18
18
17
17
16
17
18
19
19
19
19
18
18
18
20
22
22
22
20
6
8
7
7
10
15
15
14
14
13
14
16
18
19
19
20
18
18
17
20
22
21
22
20
Swell 1
Height (m)
Direction
Period (s)
0.3
S
8
0.2
S
7
0.2
S
7
0.2
S
7
0.2
S
7
0.1
S
7
0.1
SE
6
0.2
ESE
5
0.4
SE
6
0.4
SE
6
0.4
SSE
6
0.5
SE
6
0.6
SSE
6
0.6
SSE
6
0.6
SSE
6
0.7
SSE
7
0.7
SSE
7
0.7
SE
7
0.7
SE
7
0.7
SE
7
0.6
SE
7
0.6
SE
7
0.6
SE
7
0.5
SE
7
Energy kJ
10
4
4
4
4
1
1
3
10
10
15
18
25
26
28
41
43
53
54
56
44
44
44
27
Swell 2
Height (m)
Direction
Period (s)
0.1
E
11
0.1
SW
8
0.1
SE
8
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
S
6
0.1
SE
7
0.1
S
6
0.1
E
12
0.1
SE
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
10
0.1
E
11
0.2
ESE
11
0.1
E
12
0.1
E
12
0.1
SW
9
0.1
S
9
0.2
SSW
8
Energy kJ
2
2
2
5
5
5
1
2
1
3
6
3
3
3
2
2
11
3
3
3
2
7
Swell 3
Height (m)
Direction
Period (s)
0.1
E
11
0.1
SE
11
0.1
E
6
0.1
E
6
0.1
SE
7
0.1
SE
7
0.1
S
7
0.1
E
12
0.2
ESE
12
0.1
SE
12
0.1
E
10
0.1
E
10
0.2
E
10
0.2
E
11
0.2
E
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
E
16
0.1
E
13
0.1
E
16
Energy kJ
2
5
1
1
2
2
1
3
14
6
2
2
8
9
9
5
5
5
5
3
5
Wind waves
Height (m)
Direction
Period (s)
0.8
NNE
4
0.6
NNE
4
0.5
NNE
3
0.6
NNE
3
0.4
NNE
3
0.3
NE
3
0.2
ENE
2
0.3
E
2
Energy kJ
16
11
7
9
5
1
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
3
2
2
2
3
2
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
544
747
790
803
47
47
47
544
47
47
47
26
47
48
29
4
0
0
0
2
4
28
47
29
Best forecast wave conditions in Kanagawa
Rating
(10 max)
3
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
3
3
3
3
4
2
2
3
3
3
3
2
3
2
2
2
2
Header Global
Rating
(10 max)
6
7
6
5
5
6
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
5
5
5
  • 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

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