Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Friday 03 Apr 2026 JST
Forecast update in hr  min  s Forecast update imminent
Kugenuma Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kugenuma Rivermouth sea temperature is
16.1° C
(Which is 1.2°C colder than average for this time of year)

How big are the waves at Kugenuma Rivermouth today?

The current surf forecast for Kugenuma Rivermouth at 5AM is: 0.5m 7s primary swell from a South direction and 0.4m 8s secondary swell from a Southwest direction (forecast issued at 02:00am April 03). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (03 Apr)1.5ft (0.4m)7s
Afternoon (03 Apr)1ft (0.3m)7s
Evening (03 Apr)1ft (0.3m)7s

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


Updates in  hr  min  s Forecast update imminent
Friday
03
Saturday
04
Sunday
05
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
!
4
4
2
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
S
0.4
SW
0.5
S
0.4
SSE
0.4
SSE
0.3
SSE
0.3
SSE
0.3
SSE
0.3
SSE
0.7
S
0.6
SSE
0.7
SSE
1.4
SSE
1.7
S
2
S
2.3
S
3
S
3.5
S
2.2
S
1.6
S
1.6
S
1.1
SSW
1.4
S
1.2
S
Period(s) (?)79777777666666789910991098
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3926261616999836273715022136660012501862866422434230306191
Wind
(km/h)
5
NNW
5
SW
5
SW
10
SSW
20
S
25
S
20
S
10
SSW
20
SSW
25
SSW
25
SW
20
SSW
35
SSW
45
SSW
45
SSW
45
S
25
SSW
0
SE
5
NE
5
E
5
ESE
10
S
15
SW
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassononcross-
on
cross-
on
ononononononononcross-
on
onglasscross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
High Tide
/ height (m)
4:55AM
1.37
5:48PM
1.35
5:15AM
1.41
6:25PM
1.32
5:37AM
1.44
7:06PM
1.25
Low Tide
/ height (m)
11:03PM
0.46
11:21AM
0.13
11:25PM
0.54
11:51AM
0.06
11:47PM
0.62
12:24PM
0.03
Friday
03
Saturday
04
Sunday
05
Sunrise--5:26-------5:26-------5:24-----
Sunset------6:04-------6:05-------6:05-
rain showers
clear
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
part cloud
cloud
light rain
rain showers
light rain
mod rain
heavy rain
rain showers
part cloud
part cloud
cloud
cloud
cloud
part cloud
Rain (mm)
1-----------3127193------
Temp. °C121212131515161615141414151716161616161718191918
Feels °C (?)10101010109111311991089891317161718181715
  • 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

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.


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