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Surf Forecasts:

Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Wednesday 18 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
16.1° 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 6AM is: 0.3m 10s primary swell from a East-southeast direction and 0.1m 6s secondary swell from a Southeast direction (forecast issued at 02:00am February 18). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Feb)0.5ft (0.1m)8s
Afternoon (18 Feb)0.5ft (0.2m)9s
Evening (18 Feb)2.5ft (0.8m)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
Wednesday
18
Thursday
19
Friday
20
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
E
0.2
E
0.3
ESE
0.1
E
0.2
ESE
0.2
ESE
1.1
SW
0.8
SW
0.6
SW
0.4
SW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
E
0.2
E
0.1
E
0.1
E
0.2
E
0.1
SE
0.1
SE
——
0.1
SE
0.1
SE
Period(s) (?)111110899666555512129161299--98
Wave
Graph
(?)Metric surfscale
Energy kJ (?)109191891064929733311112511330033
Wind
(km/h)
15
NNE
10
N
15
N
10
N
5
NW
5
SE
10
NE
15
NW
40
N
35
N
15
N
5
WSW
15
SSW
20
S
20
SSW
10
SW
15
N
20
NNE
20
NNE
15
NNE
5
ENE
10
SSE
10
S
0
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffglasscrosscross-
off		cross-
off		offoffcross-
off		glassononononoffoffoffoffglasscross-
on		onglass
High Tide
/ height (m)
6:02AM
1.34
5:33PM
1.39
6:19AM
1.36
6:12PM
1.37
6:40AM
1.39
6:54PM
1.31
Low Tide
/ height (m)
11:33PM
0.12
11:44AM
0.54
11:58PM
0.19
12:14PM
0.43
12:23AM
0.28
12:47PM
0.35
Wednesday
18
Thursday
19
Friday
20
Sunrise---6:26-------6:24-------6:24----
Sunset-----5:25-------5:27-------5:28--
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C77778910106446788975558899
Feels °C (?)33335665-4-5-2212252-2-1-15467
  • 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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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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