Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 8 pm Thursday 19 Feb 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
16.0° C
(Which is normal for this time of year)


How big are the waves at Kugenuma Rivermouth today?

The current surf forecast for Kugenuma Rivermouth at 3AM is: 0.2m 12s primary swell from a East direction and 0.1m 7s secondary swell from a Southwest direction (forecast issued at 08:00pm February 19). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Feb)0.5ft (0.1m)12s
Afternoon (20 Feb)0.5ft (0.1m)4s
Evening (20 Feb)--

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

Updates in  hr  min  s Forecast update imminent
Thu
19
Friday
20
Saturday
21
Sunday
22
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
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
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
S
0.1
E
0.1
SW
0.2
E
0.1
SW
0.1
E
0.1
SE
0.1
SW
0.1
SE
0.1
SW
0.1
E
0.1
E
0.1
E
0.1
SW
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.6
SSW
Period(s) (?)59712812949-41212124-121212121212123
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1221123313013331033333339
Wind
(km/h)
10
SSE
10
ESE
15
NE
15
NE
15
NNE
15
NNE
10
NE
5
E
5
SW
5
NW
15
N
15
N
15
N
15
N
10
NNE
5
ESE
5
WSW
5
WSW
5
WSW
5
WSW
5
WSW
10
SW
20
S
30
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crossoffoffoffoffoffcross-
off
onglassoffcross-
off
cross-
off
offoffglassglasscross-
on
cross-
on
cross-
on
cross-
on
ononon
High Tide
/ height (m)
6:12PM
1.37
6:40AM
1.39
6:54PM
1.31
7:04AM
1.40
7:39PM
1.21
7:29AM
1.39
Low Tide
/ height (m)
12:23AM
0.28
12:47PM
0.35
12:48AM
0.39
1:25PM
0.30
1:12AM
0.53
2:10PM
0.29
Thu
19
Friday
20
Saturday
21
Sunday
22
Sunrise-----6:24-------6:22-------6:20--
Sunset-------5:28-------5:29-------5:30
part cloud
cloud
cloud
cloud
clear
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C9865558999987811121212111110111213
Feels °C (?)5410-1-1455643237999887866
  • 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

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest