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Surf Forecasts:

Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 8 am Friday 13 Mar 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
15.3° C
 (Which is 1.4°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 4PM is: 0.1m 18s primary swell from a East direction and 0.1m 10s secondary swell from a South direction (forecast issued at 08:00am March 13). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Mar)0.5ft (0.1m)18s
Afternoon (13 Mar)0.5ft (0.1m)18s
Evening (13 Mar)0.5ft (0.1m)18s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
13
Saturday
14
Sunday
15
Mon
16
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
1
1
1
1
1
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.3
E
0.8
SSE
0.9
SSE
0.9
SE
0.9
SE
0.8
SE
0.8
SE
0.6
SE
0.6
SE
0.6
SE
0.5
E
0.4
SE
0.4
SE
0.4
SE
0.3
ESE
Period(s) (?)181818181818181818171010101010101010101710111011
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6997666884914116314815112213282806414335402625
Wind
(km/h)
25
NNE
30
NNE
20
NE
25
NE
30
NE
35
NE
40
NNE
40
NNE
40
NNE
40
NNE
30
NE
25
NE
20
ENE
20
ENE
20
NNE
15
NNE
15
NNE
20
NNE
10
ENE
5
SE
10
S
10
SSE
15
E
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffcross-
off		offoffoffoffoffoffcross-
off		cross-
off		cross-
off		offoffoffoffcross-
off		cross-
on		oncross-
on		cross-
off		cross-
off
High Tide
/ height (m)
4:20AM
1.15
10:55AM
1.05
4:12AM
1.21
1:32PM
1.07
4:21AM
1.24
2:48PM
1.16
Low Tide
/ height (m)
8:56AM
1.04
8:08PM
0.26
9:25AM
0.92
9:02PM
0.21
9:49AM
0.80
9:42PM
0.19
Friday
13
Saturday
14
Sunday
15
Mon
16
Sunrise5:56-------5:54-------5:54-------
Sunset---5:46-------5:47-------5:47----
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
Rain (mm)
------------------------
Temp. °C6689998767101211109989101112111010
Feels °C (?)-2-21110-2-3-4-315554433688766
  • 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

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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 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.

View detailed surf forecast for Kugenuma Rivermouth at:
surf-forecast.com

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