Shonan Surf Break

Lat Long: 35.32° N 139.44° E

Shonan 48 hour detailed Surf Forecast

Issued: 8 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Shonan sea temperature is
27.8°C
1.0° 

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 (27 Aug):

  • Evening surf: Evening surf (27 Aug, local time) - 2ft (0.6m), 11s period with SSW swell.

The current surf forecast for Shonan at 12AM is: 0.5m 11s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a South-southeast direction, 0.9m 5s secondary swell from a South-southwest direction (forecast issued at 08:00pm August 26). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (27 Aug)--
Afternoon (27 Aug)--
Evening (27 Aug)2ft (0.6m)11s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Thu afternoon. Warm (max 29°C on Wed night, min 25°C on Fri night). Wind will be generally light.

Wed
26
Thursday
27
Friday
28
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
1
1
1
1
1
0
0
0
1
0
0
1
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
11
0.6
SSW
11
0.5
SSW
11
0.5
SSE
9
0.4
SSW
10
0.4
S
11
0.4
S
11
0.5
S
11
0.7
SW
6
0.5
S
10
0.5
S
10
0.6
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
8
0.8
SSW
6
0.5
S
6
Wave Graph
Metric surfscale
Energy kJ
130
95
68
46
40
38
38
55
31
47
45
63
41
40
39
35
38
17
Wind (km/h)
20
SW
20
SW
20
SW
15
SW
5
W
0
SSW
5
SE
15
N
10
N
15
SW
20
SW
15
SSW
10
WNW
5
SW
5
SW
5
SW
5
SSE
5
SSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-off
glassy
glassy
off
cross-off
cross-on
cross-on
cross-on
cross-off
glassy
cross-on
glassy
glassy
glassy
High Tide
4:51PM1.38m
3:36AM1.42m
5:08PM1.43m
4:16AM1.47m
5:27PM1.46m
Low Tide
10:11PM0.85m
10:25AM0.20m
10:39PM0.74m
10:54AM0.20m
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
thunderstorm
cloud
cloud
cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:16
6:15
 mm
1
1
1
2
3
1
1
2
Temp °C
30
29
28
28
28
28
29
28
26
26
26
26
26
26
28
28
28
28
Feels °C
32
32
30
32
33
33
34
29
28
28
27
29
30
30
31
32
31
32
  • 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.


Nearest locationNearest