Shonan Surf Break

Lat Long: 35.32° N 139.44° E

Shonan 48 hour detailed Surf Forecast

Issued: 8 pm 23 Sep 2026 (local time)

Forecast update in  hr  min

Today's Shonan sea temperature is
25.1°C
0.2° 

Shonan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Shonan today (24 Sep):

  • Morning surf: Morning surf (24 Sep, local time) - 1.5ft (0.4m), 6s period with SE swell.
  • Afternoon surf: Afternoon surf (24 Sep, local time) - 0.5ft (0.2m), 5s period with SSE swell.
  • Evening surf: Evening surf (24 Sep, local time) - 0.5ft (0.2m), 5s period with SSE swell.

The current surf forecast for Shonan at 4AM is: 0.4m 6s primary swell from a South-southeast direction and 0.1m 8s secondary swell from a Southeast direction (forecast issued at 08:00pm September 23). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (24 Sep)1.5ft (0.4m)6s
Afternoon (24 Sep)0.5ft (0.2m)5s
Evening (24 Sep)0.5ft (0.2m)5s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Sat afternoon. Warm (max 25°C on Thu morning, min 19°C on Sat afternoon). Wind will be generally light.

Wed
23
Thursday
24
Friday
25
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
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSE
6
0.5
SE
6
0.4
SSE
6
0.4
SSE
6
0.4
SSE
6
0.4
SE
6
0.4
SE
5
0.2
SSE
5
0.2
SSE
5
0.2
SSE
5
0.2
SSE
5
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
8
Wave Graph
Metric surfscale
Energy kJ
27
19
14
14
13
8
7
3
3
3
3
3
3
3
3
3
3
3
Wind (km/h)
15
NNE
15
NNE
15
N
10
NNE
10
N
10
NNE
5
ESE
5
S
10
SW
5
ENE
10
E
10
ENE
10
ENE
10
ENE
5
ESE
10
S
10
S
10
SE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
on
cross
glassy
cross
cross
cross
cross
glassy
on
cross-on
cross-on
High Tide
3:42PM1.35m
2:43AM1.31m
3:57PM1.41m
3:27AM1.40m
4:15PM1.46m
Low Tide
9:18PM0.82m
9:19AM0.35m
9:44PM0.68m
9:51AM0.34m
light rain
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:36
 mm
2
1
1
Temp °C
20
21
21
21
21
23
25
25
25
25
24
23
22
22
24
24
23
23
Feels °C
20
22
22
22
22
25
27
27
27
28
26
24
24
23
25
25
24
24
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Shonan surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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