Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Saturday 24 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
14.6° C
 (Which is 2.4°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 8AM is: 1.1m 6s primary swell from a Southwest direction and 0.1m 10s secondary swell from a East direction, 0.1m 10s secondary swell from a East direction (forecast issued at 02:00am January 24). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (24 Jan)4ft (1.2m)6s
Afternoon (24 Jan)6ft (1.8m)6s
Evening (24 Jan)3.5ft (1.1m)6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
24
Sunday
25
Monday
26
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
0
0
0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SW
0.6
SW
0.8
SW
1.2
SW
1.6
SW
1.8
SW
1.3
SW
1.1
SW
1.6
WSW
1.4
SW
0.5
SW
0.6
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.2
SSW
0.1
SW
0.1
SW
0.1
E
0.1
SW
0.1
SW
0.1
SW
0.1
SW
Period(s) (?)5566667669999101010999104857
Wave
Graph
(?)Metric surfscale
Energy kJ (?)715369919323915510116726841682225262383331212
Wind
(km/h)
10
WNW
15
WSW
20
W
35
WSW
45
WSW
45
WSW
35
W
20
WNW
10
NNW
0
ENE
25
NNE
30
N
15
N
5
SSE
15
N
20
NNE
20
NNE
20
N
25
N
10
N
5
SSE
15
S
15
S
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		glassoffoffcross-
off		glassoffoffoffoffoffoffglasscross-
on		cross-
on		on
High Tide
/ height (m)
8:26AM
1.37
8:50PM
1.09
8:58AM
1.35
10:09PM
0.97
9:33AM
1.31
Low Tide
/ height (m)
1:51AM
0.44
2:56PM
0.50
2:19AM
0.60
4:03PM
0.47
2:40AM
0.77
5:29PM
0.42
Saturday
24
Sunday
25
Monday
26
Sunrise---6:47-------6:46-------6:46----
Sunset-----5:00-------5:01-------5:02--
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C655689875433566422124566
Feels °C (?)1-1-1-4-4-3-1011-5-6-22-1-3-5-5-7-30-111
  • 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

Latest Updates

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal
travel
Surf Forecast

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal

Surf road trips just got even better. Surf-Forecast users can now save up to 20% on SIXT rental cars worldwide during the promotional period until March 31, 2026. Whether you’re planning a legendary California road trip, chasing waves along Europe’s coasts, or exploring remote surf destinations, this exclusive SIXT offer helps you travel smarter and cheaper. And if you want some inspiration on where to go, check out our article Five Iconic Surf Road Trips. Click and get your SIXT discount

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest