Kugenuma Rivermouth Surf Break

Lat Long: 35.31° N 139.47° E

Kugenuma Rivermouth 48 hour detailed Surf Forecast

Issued: 2 pm 06 Nov 2026 (local time)

Forecast update in  hr  min

Today's Kugenuma Rivermouth sea temperature is
22.1°C
0.1° 

Kugenuma Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Kugenuma Rivermouth today (06 Nov):

  • Afternoon surf: Afternoon surf (06 Nov, local time) - 4.5ft (1.3m), 11s period with SSE swell.
  • Evening surf: Evening surf (06 Nov, local time) - 2.5ft (0.7m), 10s period with SSE swell.

The current surf forecast for Kugenuma Rivermouth at 6PM is: 0.9m 10s primary swell from a South-southeast direction and 0.3m 8s secondary swell from a Southwest direction (forecast issued at 02:00pm November 06). The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (06 Nov)--
Afternoon (06 Nov)4.5ft (1.3m)11s
Evening (06 Nov)2.5ft (0.7m)10s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sun night. Warm (max 22°C on Fri afternoon, min 10°C on Sun night). Wind will be generally light.

Fri
6
Saturday
7
Sunday
8
Mon
9
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
12 AM
3 AM
6 AM
Rating
(10 max)
3
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
SSE
12
1.3
SSE
11
0.9
SSE
10
0.7
SSE
10
0.5
S
9
0.4
SSE
9
0.4
SE
9
0.3
SSE
8
0.2
S
8
0.2
S
8
0.2
SSE
8
0.1
SE
8
0.2
SSE
8
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.2
ESE
12
0.3
ESE
10
0.2
ESE
11
0.3
SE
8
0.4
SE
8
0.3
SE
7
0.4
SE
7
Wave Graph
Metric surfscale
Energy kJ
569
373
180
85
42
27
19
14
5
5
6
2
6
7
6
6
14
19
12
11
14
10
19
Wind (km/h)
10
S
15
SSE
5
ESE
5
E
30
NNE
25
NNE
20
NE
15
NE
5
NE
5
E
25
NNE
25
NNE
20
NE
15
NNE
20
NNE
20
NE
15
ENE
10
E
10
E
15
NE
20
NNE
25
N
25
NNE
Wind State
cross-on
cross-on
glassy
glassy
off
off
off
off
cross-off
cross-off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
High Tide
2:41PM1.40m
3:46AM1.34m
3:03PM1.44m
4:28AM1.39m
3:24PM1.48m
5:06AM1.42m
Low Tide
9:21PM0.46m
9:21AM0.78m
9:50PM0.32m
9:52AM0.85m
10:18PM0.21m
clear
clear
clear
clear
light rain
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
—
6:07
—
—
—
—
—
—
—
6:09
—
—
—
—
—
—
—
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
4:43
—
—
—
—
—
—
—
4:42
—
—
—
—
—
—
—
4:40
—
—
—
—
4:40
 mm
—
—
—
—
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3
Temp °C
21
21
22
21
18
16
15
15
17
18
16
14
13
12
11
11
12
13
13
12
12
12
10
Feels °C
20
19
23
22
12
10
10
11
15
16
9
7
8
8
5
4
7
10
10
9
7
6
4
  • 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 Kugenuma Rivermouth 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