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Surf Forecasts:

Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 8 am Friday 09 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
15.9° C
 (Which is 1.7°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 2PM is: 0.1m 4s primary swell from a Southwest direction (forecast issued at 08:00am January 09). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Jan)0.5ft (0.1m)11s
Afternoon (09 Jan)0.5ft (0.1m)8s
Evening (09 Jan)0.5ft (0.1m)11s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
09
Saturday
10
Sunday
11
Mon
12
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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.1
SW
0.1
SW
0.1
E
0.1
E
0.1
E
0.4
SW
0.1
E
0.7
SW
1.4
SW
1.8
SW
1.5
SSW
2
SSW
2.4
SSW
2.5
SSW
2.2
SW
2
SW
1.9
SW
2.1
SW
0.4
SW
1.7
WSW
1.5
SW
0.9
SW
Period(s) (?)1011881111112104566678867711677
Wave
Graph
(?)Metric surfscale
Energy kJ (?)32322321218942141543226037995443153414593121619277
Wind
(km/h)
15
N
5
NE
10
SSE
20
SSE
20
SSW
15
SW
10
WSW
10
WNW
15
WSW
25
SW
45
SW
45
SW
40
SW
45
SW
45
SW
45
SW
50
WSW
45
WSW
55
WSW
45
W
35
W
40
W
20
W
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offglasscross-
on		cross-
on		ononcross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crossoff
High Tide
/ height (m)
8:40AM
1.36
8:26PM
1.15
9:14AM
1.35
9:39PM
1.03
9:51AM
1.32
11:28PM
0.95
Low Tide
/ height (m)
2:51PM
0.65
2:29AM
0.50
3:59PM
0.59
3:03AM
0.67
5:20PM
0.51
Friday
09
Saturday
10
Sunday
11
Mon
12
Sunrise-6:50-------6:50-------6:50------
Sunset---4:45-------4:46-------4:47----
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
Rain (mm)
------------------------
Temp. °C457898876811131213131312101074344
Feels °C (?)-21323343110233430-2-4-5-6-8-3-2
  • 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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