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Surf Forecasts:

Shonan surf break

Shonan surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Friday 20 Mar 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
15.3° C
 (Which is 1.6°C colder than average for this time of year)

How big are the waves at Shonan today?

The current surf forecast for Shonan at 7AM is: 0.6m 7s primary swell from a South direction and 0.5m 6s secondary swell from a East-southeast direction (forecast issued at 02:00am March 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Mar)1.5ft (0.5m)7s
Afternoon (20 Mar)1.5ft (0.4m)7s
Evening (20 Mar)1.5ft (0.4m)7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
20
Saturday
21
Sunday
22
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 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
See all maps
Wave Height (m) & direction (?)
0.8
S
0.6
S
0.6
S
0.5
S
0.5
S
0.4
S
0.4
S
0.4
S
0.3
S
0.4
SW
0.2
S
0.2
S
0.1
S
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.7
SSW
Period(s) (?)8877777777666171616161616161615154
Wave
Graph
(?)Metric surfscale
Energy kJ (?)804239252415151581233111101010101010109816
Wind
(km/h)
20
NE
25
NE
20
NNE
20
NNE
20
NNE
20
NNE
20
NE
15
NNE
5
NE
15
NNE
10
NNE
5
SE
10
SSE
15
S
20
S
20
SSW
10
W
15
N
15
N
10
NNE
10
SSE
15
S
15
SW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glassononcross-
on		cross-
on		crossoffcross-
off		cross-
off		ononcross-
on		cross
High Tide
/ height (m)
5:21AM
1.54
5:48PM
1.55
5:42AM
1.55
6:32PM
1.51
6:04AM
1.55
7:20PM
1.43
Low Tide
/ height (m)
11:15PM
0.36
11:33AM
0.29
11:46PM
0.47
12:07PM
0.19
12:15AM
0.61
12:44PM
0.14
Friday
20
Saturday
21
Sunday
22
Sunrise--5:47-------5:45-------5:43-----
Sunset-----5:52-------5:52-------5:53--
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
Rain (mm)
12112-------------------
Temp. °C12111010999898579111212121091012131413
Feels °C (?)865644547404577895468898
  • 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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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.

View detailed surf forecast for Shonan at:
surf-forecast.com

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