Shonan Surf Break

Lat Long: 35.32° N 139.44° E

Shonan 48 hour detailed Surf Forecast

Issued: 2 pm 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Shonan sea temperature is
27.5°C
1.3° 

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 (11 Sep):

  • Afternoon surf: Afternoon surf (11 Sep, local time) - 1.5ft (0.5m), 8s period with S swell.
  • Evening surf: Evening surf (11 Sep, local time) - 1.5ft (0.4m), 8s period with SSW swell.

The current surf forecast for Shonan at 11PM is: 0.4m 8s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 02:00pm September 11). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (11 Sep)--
Afternoon (11 Sep)1.5ft (0.5m)8s
Evening (11 Sep)1.5ft (0.4m)8s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Fri night. Warm (max 27°C on Mon morning, min 19°C on Fri afternoon). Wind will be generally light.

Fri
11
Saturday
12
Sunday
13
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
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
8
0.5
S
8
0.5
S
8
0.4
SSW
8
0.4
SSW
8
0.4
SSW
8
0.4
SSW
8
0.4
SSW
7
0.4
SSW
7
0.4
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.2
SSW
7
0.2
SSW
7
0.3
SE
9
0.3
SE
9
0.4
SE
8
0.4
SE
8
Wave Graph
Metric surfscale
Energy kJ
28
28
28
19
19
19
19
18
18
18
10
9
9
9
5
5
12
12
17
16
Wind (km/h)
15
N
15
NE
15
NE
15
NNE
15
NNE
15
NNE
15
NNE
15
NNE
15
NNE
15
NNE
15
NNE
15
N
15
N
10
NNE
10
NNE
5
NE
5
ESE
10
SSE
15
S
15
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
on
cross-on
cross-on
High Tide
5:04PM1.48m
4:59AM1.54m
5:24PM1.50m
5:40AM1.52m
5:42PM1.51m
Low Tide
10:43AM0.24m
10:57PM0.49m
11:14AM0.34m
11:29PM0.37m
11:42AM0.46m
heavy rain
light rain
cloud
cloud
light rain
light rain
light rain
light rain
light rain
cloud
cloud
light rain
cloud
cloud
cloud
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:55
5:54
5:52
 mm
13
2
1
3
3
2
1
1
Temp °C
19
19
20
20
20
20
20
20
21
21
22
22
22
22
22
22
24
25
24
24
Feels °C
20
19
20
21
21
21
20
20
22
21
23
23
24
24
24
25
27
28
26
27
  • 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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