Shonan Surf Break

Lat Long: 35.32° N 139.44° E

Shonan 48 hour detailed Surf Forecast

Issued: 8 am 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Shonan sea temperature is
25.2°C
0.3° 

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 (28 Sep):

  • Morning surf: Morning surf (28 Sep, local time) - 3.5ft (1.0m), 5s period with SSW swell.
  • Afternoon surf: Afternoon surf (28 Sep, local time) - 3.5ft (1.0m), 6s period with SSW swell.
  • Evening surf: Evening surf (28 Sep, local time) - 3ft (0.9m), 7s period with SSW swell.

The current surf forecast for Shonan at 5PM is: 1.2m 6s primary swell from a South-southwest direction and 0.7m 6s secondary swell from a South-southwest direction, 0.1m 10s secondary swell from a Southeast direction (forecast issued at 08:00am September 28). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (28 Sep)3.5ft (1.0m)5s
Afternoon (28 Sep)3.5ft (1.0m)6s
Evening (28 Sep)3ft (0.9m)7s

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


Short Range Forecast

Heavy rain (total 78mm), heaviest during Mon afternoon. Warm (max 24°C on Mon morning, min 17°C on Tue night). Wind will be generally light.

Monday
28
Tuesday
29
Wednesday
30
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)
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
1
0
0
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)
0.6
SSW
6
1
SSW
5
1.2
SSW
6
1
SSW
6
1.3
SSW
6
0.9
SSW
7
0.9
S
7
0.7
S
7
0.7
S
7
0.6
S
7
0.3
SW
14
0.3
SW
14
0.4
SW
13
0.4
SW
13
0.4
SW
12
0.4
SSW
12
0.4
SSW
12
0.4
SSW
11
0.4
SSW
11
0.5
SSW
11
0.6
SSW
11
0.6
SSW
11
Wave Graph
Metric surfscale
Energy kJ
31
42
84
58
131
77
77
47
45
34
31
31
46
44
39
56
55
49
49
71
82
81
Wind (km/h)
25
SSW
25
SW
25
SSW
10
SW
20
SW
10
N
5
WNW
5
NE
10
N
15
N
20
NNE
25
NNE
20
NE
15
NNE
15
N
15
NNE
15
NNE
15
NNE
15
NE
15
NE
10
NNE
15
N
Wind State
cross-on
cross
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:29AM1.53m
5:14PM1.54m
6:11AM1.50m
5:36PM1.55m
6:57AM1.43m
5:59PM1.53m
Low Tide
11:21AM0.53m
11:42PM0.18m
11:50AM0.64m
00:18AM0.13m
12:19PM0.77m
rain showers
rain showers
light rain
rain showers
cloud
cloud
cloud
cloud
light rain
light rain
light rain
mod rain
heavy rain
mod rain
mod rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
—
—
—
—
—
—
5:33
—
—
—
—
—
—
—
5:35
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
5:30
—
—
—
—
—
—
—
5:30
—
—
—
—
—
—
—
5:29
—
—
 mm
3
1
4
28
—
—
—
—
1
1
3
10
11
8
8
2
1
—
—
—
—
—
Temp °C
23
24
23
22
23
23
23
23
22
22
19
18
18
18
17
18
18
18
19
19
19
19
Feels °C
24
24
24
25
24
25
26
26
24
22
18
16
17
18
17
17
17
17
18
18
19
18
  • 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.


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