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Surf Forecasts:

Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Wednesday 14 Jan 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
15.8° C
 (Which is 1.6°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: 1.1m 8s primary swell from a Southwest direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00am January 14). An open ocean swell of 2.3m 9s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (14 Jan)2.5ft (0.7m)9s
Afternoon (14 Jan)1.5ft (0.4m)9s
Evening (14 Jan)1ft (0.3m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
14
Thursday
15
Friday
16
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
SW
1.4
SW
1
SW
0.7
SW
0.6
SSW
0.4
SW
0.3
SW
0.3
SW
0.2
SSW
0.2
SSW
0.2
SSW
0.1
SE
0.1
SE
0.7
SW
1.8
SW
1.8
SW
1.9
SW
1.6
SW
1.3
SSW
0.9
SSW
0.7
SSW
0.6
SSW
0.4
SSW
0.4
SW
Period(s) (?)7899999996610956667778888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)311204162865621131384443242362512842371639652422416
Wind
(km/h)
30
W
10
NNE
10
E
5
ESE
10
SE
15
ESE
10
E
15
NE
15
NNE
10
NNE
5
NNE
0
WSW
10
SSW
20
SW
35
WSW
45
WSW
50
WSW
35
W
10
N
10
NE
5
ENE
10
E
10
ENE
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		offcross-
off		crosscross-
on		crosscross-
off		offoffoffoffglassoncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		off
High Tide
/ height (m)
4:39AM
1.13
12:22PM
1.27
5:07AM
1.22
1:26PM
1.29
5:31AM
1.28
2:24PM
1.31
Low Tide
/ height (m)
7:28AM
1.09
8:49PM
0.18
9:01AM
1.11
9:36PM
0.09
9:55AM
1.09
Wednesday
14
Thursday
15
Friday
16
Sunrise---6:50-------6:50-------6:50----
Sunset-----4:51-------4:52-------4:52--
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C1098899109766791011121312101112131312
Feels °C (?)254454632124542124689997
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

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

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