Shonan Surf Break

Lat Long: 35.32° N 139.44° E

Shonan 48 hour detailed Surf Forecast

Issued: 8 am 23 Oct 2026 (local time)

Forecast update in  hr  min

Today's Shonan sea temperature is
23.8°C
0.9° 

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 (23 Oct):

  • Morning surf: Morning surf (23 Oct, local time) - 3.5ft (1.1m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (23 Oct, local time) - 3ft (0.9m), 13s period with S swell.
  • Evening surf: Evening surf (23 Oct, local time) - 3ft (0.9m), 14s period with SSW swell.

The current surf forecast for Shonan at 11AM is: 1.0m 13s primary swell from a South direction and 0.4m 16s secondary swell from a South-southwest direction (forecast issued at 08:00am October 23). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (23 Oct)3.5ft (1.1m)13s
Afternoon (23 Oct)3ft (0.9m)13s
Evening (23 Oct)3ft (0.9m)14s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Sat morning. Warm (max 22°C on Sun morning, min 16°C on Fri morning). Wind will be generally light.

Friday
23
Saturday
24
Sunday
25
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
2
1
1
1
1
2
2
1
1
2
0
0
2
1
0
0
1
1
1
1
1
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)
1.1
S
13
1.1
S
13
1
S
13
0.9
S
13
0.8
SSW
13
0.9
SSW
14
0.9
SSW
13
0.9
SSW
13
0.8
SSW
13
1.3
SE
9
0.6
SSW
13
0.7
SSW
14
0.7
SSW
14
0.7
SW
14
0.7
SSW
14
0.6
SW
16
0.7
SSW
13
0.4
SW
14
0.4
SSW
12
1.5
SSW
6
1
S
7
0.8
S
7
Wave Graph
Metric surfscale
Energy kJ
417
411
321
252
212
351
249
246
192
235
125
178
175
189
161
183
156
56
59
164
86
57
Wind (km/h)
20
NE
15
NE
10
ENE
5
SE
10
SE
10
SE
5
NE
10
NNE
10
NNE
15
NNE
15
N
25
N
20
NNE
10
NNE
0
SSW
10
SSW
15
WSW
10
WNW
10
W
15
NNE
15
NNE
10
NNE
Wind State
cross-off
cross-off
cross
on
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:54PM1.41m
3:16AM1.35m
3:16PM1.46m
4:01AM1.44m
3:39PM1.50m
Low Tide
8:33AM0.53m
9:10PM0.51m
9:11AM0.55m
9:39PM0.34m
9:48AM0.60m
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
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5:54
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—
—
—
—
—
—
5:56
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—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
4:58
—
—
—
—
—
—
—
4:57
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—
—
—
—
—
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4:55
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 mm
—
—
—
—
—
—
—
—
1
2
4
4
—
—
—
—
—
—
—
—
—
—
Temp °C
16
16
17
19
19
19
19
19
18
18
17
17
18
18
18
20
21
21
22
20
19
20
Feels °C
11
12
15
18
18
19
20
19
18
17
16
14
16
18
19
21
22
23
24
19
18
20
  • 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 

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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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