Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 8 pm Wednesday 01 Apr 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 1.3°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 3AM is: 0.8m 8s primary swell from a South direction and 0.1m 14s secondary swell from a Southeast direction (forecast issued at 08:00pm April 01). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (02 Apr)4.5ft (1.4m)9s
Afternoon (02 Apr)4.5ft (1.4m)9s
Evening (02 Apr)2.5ft (0.8m)9s

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


Updates in  hr  min  s Forecast update imminent
Wed
01
Thursday
02
Friday
03
Saturday
04
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
1
0
0
0
0
1
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SSE
0.8
SSE
0.8
SSE
0.8
S
0.9
SSE
1.4
S
1.5
S
1.4
SSW
1.1
SSW
0.8
SSW
0.4
SSW
0.4
SW
0.5
S
0.4
SSE
0.4
SSE
0.3
SSE
0.3
SSE
0.2
SSE
0.2
SSE
0.2
SSE
0.3
SSE
0.3
SE
0.6
S
1.2
S
Period(s) (?)888879999999777777765635
Wave
Graph
(?)Metric surfscale
Energy kJ (?)107777574762923973482119230282716169954555873
Wind
(km/h)
25
NNE
25
N
35
N
35
N
25
NNE
25
N
15
NNE
10
NNE
5
NNE
10
NW
10
WSW
10
WSW
10
SSW
15
SSW
25
S
25
S
20
S
15
SSE
10
SW
10
SSW
15
SSW
25
SSW
30
SSW
40
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
cross-
off
offcross-
off
offoffglasscross-
off
cross-
on
cross-
on
onononcross-
on
cross-
on
cross-
on
cross-
on
ononononon
High Tide
/ height (m)
4:36PM
1.33
4:38AM
1.33
5:12PM
1.35
4:55AM
1.37
5:48PM
1.35
5:15AM
1.41
Low Tide
/ height (m)
10:41PM
0.39
10:55AM
0.23
11:03PM
0.46
11:21AM
0.13
11:25PM
0.54
11:51AM
0.06
Wed
01
Thursday
02
Friday
03
Saturday
04
Sunrise----5:28-------5:26-------5:26---
Sunset6:01-------6:02-------6:04-------
mod rain
mod rain
heavy rain
heavy rain
light rain
light rain
light rain
light rain
clear
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
Rain (mm)
7816201111---------------1
Temp. °C121111111110101112121212121314151515151414151615
Feels °C (?)764555791081099989101213121110107
  • 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

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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.


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