Shonan surf break

Shonan surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 8 pm Thursday 23 Apr 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
18.7° C
(Which is normal for this time of year)

How big are the waves at Shonan today?

The current surf forecast for Shonan at 5AM is: 0.3m 6s primary swell from a Southeast direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00pm April 23). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (24 Apr)1.5ft (0.4m)8s
Afternoon (24 Apr)1.5ft (0.5m)8s
Evening (24 Apr)2ft (0.6m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 24mm), heaviest during Thu night. Very mild (max 17°C on Fri afternoon, min 12°C on Fri night). Winds decreasing (fresh winds from the N on Thu night, light winds from the ESE by Sat night).

Thu
23
Friday
24
Saturday
25
Sunday
26
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.3
SE
6
0.4
SSW
8
0.6
S
8
0.5
S
8
0.6
S
8
0.6
S
8
0.5
S
8
0.5
S
8
0.5
S
8
0.4
S
8
0.4
SSE
7
0.4
SSE
7
0.5
SE
3
0.4
SE
4
0.3
SE
5
0.4
SE
5
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
Wave Graph
Metric surfscale
Energy kJ
7
7
7
7
6
26
51
37
51
50
34
31
29
18
18
18
6
6
4
7
8
8
8
8
Wind (km/h)
10
NNE
25
NNE
35
N
30
NNE
25
NNE
20
NNE
20
ENE
15
ESE
10
SE
20
ENE
15
ENE
20
NE
20
NE
15
NE
10
ENE
10
ESE
20
SE
10
SE
5
ESE
5
ESE
10
ENE
10
E
5
S
10
SW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
High Tide
11:45PM1.20m
7:42AM1.28m
1:12AM1.23m
9:40AM1.15m
1:50AM1.27m
12:28PM1.12m
Low Tide
3:07PM0.27m
2:55AM1.16m
4:30PM0.40m
6:16AM1.11m
6:02PM0.48m
7:43AM0.94m
mod rain
heavy rain
mod rain
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:20
6:21
6:22
6:22
8
13
8
2
1
Temp °C
14
14
14
14
14
15
16
17
17
15
14
13
12
13
15
16
15
14
14
13
13
14
16
16
13
10
8
9
9
11
12
14
15
11
10
8
7
8
11
13
10
11
12
11
11
12
14
14
Swell 1
Height (m)
Direction
Period (s)
0.3
SE
6
0.2
SSE
6
0.2
SSE
5
0.3
SE
6
0.3
SE
6
0.4
SSW
8
0.6
S
8
0.5
S
8
0.6
S
8
0.6
S
8
0.5
S
8
0.5
S
8
0.5
S
8
0.4
S
8
0.4
SSE
7
0.4
SSE
7
0.2
S
7
0.2
S
7
0.3
SE
5
0.4
SE
5
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
Energy kJ
6
4
3
6
6
20
51
37
51
50
34
31
29
18
18
18
4
4
4
7
8
8
8
8
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.4
SSE
8
0.4
SSW
8
0.4
SSW
8
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
E
12
0.1
SE
12
0.1
SE
4
0.1
SE
12
0.1
E
11
0.1
SW
8
0.1
E
11
0.1
S
7
0.1
S
7
0.1
S
6
0.1
S
7
0.1
S
6
0.1
S
6
Energy kJ
6
6
6
6
5
26
26
26
5
5
5
3
5
1
5
2
2
2
1
1
1
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.1
S
7
0.1
SE
12
0.1
E
7
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.2
E
9
0.2
E
9
0.1
SE
12
0.2
S
7
0.1
SW
8
0.1
E
11
0.1
SE
11
0.1
S
6
0.1
S
6
0.1
S
7
0.1
E
11
Energy kJ
7
7
7
7
1
5
1
5
5
5
5
6
6
5
4
2
2
5
1
1
1
2
Wind waves
Height (m)
Direction
Period (s)
0.6
NNE
3
0.8
NNE
4
0.7
NNE
4
0.6
NNE
4
0.4
NE
3
0.2
ESE
2
0.3
ENE
2
0.4
ENE
3
0.2
ENE
3
0.5
SE
3
0.4
SE
4
Energy kJ
8
16
12
8
3
1
1
2
1
6
6
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
3
2
1
1
1
2
1
1
Distance (km)
87
95
220
128
128
29
128
59
29
47
47
138
480
501
480
65
747
87
29
47
47
87
26
65
Best forecast wave conditions in Kanagawa
Rating
(10 max)
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
3
2
3
2
2
2
2
2
2
1
1
2
3
2
1
4
3
3
3
3
3
1
1
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
4
4
4
4
4
4
5
6
7
  • 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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