Shonan surf break

Shonan surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 8 am Saturday 21 Feb 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
16.3° C
(Which is normal for this time of year)


How big are the waves at Shonan today?

The current surf forecast for Shonan at 4PM is: 0.1m 4s primary swell from a Southwest direction (forecast issued at 08:00am February 21). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (21 Feb)0.5ft (0.1m)12s
Afternoon (21 Feb)0.5ft (0.1m)4s
Evening (21 Feb)0.5ft (0.1m)12s

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

Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
Tue
24
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
SW
0.1
E
0.1
E
0.1
SW
0.1
E
0.1
E
0.1
E
0.1
S
0.1
E
0.1
E
0.6
SSW
0.9
SSW
1.2
SSW
1.6
SSW
1.8
SSW
1.8
SSW
1.8
SSW
1.6
SSW
1.6
SSW
1.7
SSW
1.6
SW
0.7
S
0.6
S
Period(s) (?)412124121212-612124456666766666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)133133301331028691602292442522141972232093222
Wind
(km/h)
10
N
10
NNE
5
NE
5
SE
5
S
5
W
10
WNW
5
WNW
5
WSW
10
SW
20
SSW
30
SSW
25
SSW
30
SW
30
SW
30
SSW
30
SSW
30
SSW
25
SSW
25
SSW
15
SW
20
N
25
NNE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
glassglassglassglasscross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
offcross-
off
cross-
off
High Tide
/ height (m)
6:53AM
1.52
7:16PM
1.41
7:15AM
1.51
8:06PM
1.30
7:37AM
1.48
9:11PM
1.17
Low Tide
/ height (m)
1:08PM
0.39
1:08AM
0.54
1:48PM
0.35
1:35AM
0.71
2:35PM
0.35
1:57AM
0.87
Saturday
21
Sunday
22
Monday
23
Tue
24
Sunrise-6:22-------6:20-------6:20------
Sunset---5:29-------5:30-------5:30----
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
cloud
light rain
rain showers
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
----------------11------
Temp. °C7811121211111110111315141414141416181918141211
Feels °C (?)348910888788998888121414141077
  • 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

Latest Updates

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
Nearest locationNearest
Nearest locationNearest