Shonan surf break

Shonan surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Monday 12 Jan 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
16.1° C
(Which is 1.4°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: 1.0m 6s primary swell from a West-southwest direction and 0.6m 6s secondary swell from a Southwest direction, 0.4m 11s secondary swell from a Southwest direction (forecast issued at 02:00am January 12). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Jan)1.5ft (0.4m)10s
Afternoon (12 Jan)0.5ft (0.2m)9s
Evening (12 Jan)5ft (1.5m)8s

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

Updates in  hr  min  s Forecast update imminent
Monday
12
Tuesday
13
Wednesday
14
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
1
3
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
SW
0.5
SW
1
WSW
0.4
SW
0.4
SW
0.2
SSW
0.2
SSW
1.5
SW
0.6
SW
0.9
SW
1.3
SW
1.9
SW
2.1
SW
2.2
SW
2.2
SW
2.3
SW
1.8
SW
1.6
SW
2.1
SW
0.9
SW
0.6
SSW
0.3
SW
0.3
SW
0.3
SW
Period(s) (?)1111610109986666777788999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)636065272488257265213628438641142353938527668812556131313
Wind
(km/h)
30
WSW
20
WSW
5
SSW
0
E
10
S
10
SSE
5
SSW
10
WSW
20
W
15
W
30
WSW
40
WSW
50
WSW
50
SW
45
WSW
50
WSW
30
W
20
WNW
5
NE
15
ESE
10
SE
15
SE
10
E
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
on
glasscross-
on
oncross-
on
crosscross-
off
cross-
off
crosscrosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
on
cross-
on
oncross-
on
cross-
off
High Tide
/ height (m)
11:26PM
0.98
10:14AM
1.31
2:42AM
1.02
11:00AM
1.29
4:05AM
1.12
12:06PM
1.28
Low Tide
/ height (m)
3:21AM
0.89
6:18PM
0.56
3:49AM
1.02
7:29PM
0.48
6:25AM
1.11
8:26PM
0.38
Monday
12
Tuesday
13
Wednesday
14
Sunrise---6:50-------6:50-------6:50----
Sunset-----4:49-------4:50-------4:51--
clear
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C44456666557101213121187778999
Feels °C (?)-5-3022121-10-10121-1-11423444
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Latest Updates

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