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Surf Forecasts:

Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 pm Tuesday 17 Mar 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
14.9° C
 (Which is 1.9°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 8PM is: 0.1m 11s primary swell from a East direction and 0.1m 5s secondary swell from a Southeast direction (forecast issued at 02:00pm March 17). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Mar)--
Afternoon (17 Mar)0.5ft (0.2m)12s
Evening (17 Mar)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 
16 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
0
0
0
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
ESE
0.2
ESE
0.2
ESE
0.1
E
0.1
E
0.2
ESE
0.1
E
0.3
SE
0.3
SE
0.3
SE
0.4
SSE
0.5
SE
0.6
SSE
0.5
SSE
1.3
S
1.1
S
1.4
S
1.2
S
1
S
0.9
SSW
0.8
S
0.7
S
0.6
S
0.5
S
Period(s) (?)1112111111111256656666678888887
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13131133113456111629221199721218613711586604027
Wind
(km/h)
5
E
10
SSE
10
SSE
5
SSW
5
W
5
N
10
N
5
NNE
15
S
20
S
25
SSW
20
WSW
20
SW
15
SW
10
SW
25
N
10
NE
10
NE
20
ENE
25
E
20
ENE
15
ENE
15
ENE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on		cross-
on		onglassoffoffoffonononcross-
on		ononcross-
on		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
4:18PM
1.31
4:57AM
1.31
4:55PM
1.36
5:12AM
1.34
5:31PM
1.37
5:29AM
1.38
Low Tide
/ height (m)
10:32AM
0.53
10:43PM
0.24
10:55AM
0.40
11:07PM
0.30
11:20AM
0.28
11:30PM
0.38
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise------5:50-------5:48-------5:47-
Sunset-5:50-------5:51-------5:52------
cloud
cloud
cloud
rain showers
rain showers
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
rain showers
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
rain showers
Rain (mm)
---11--------126-----111
Temp. °C101011111111101112141414121212111516151312111010
Feels °C (?)778910979810998911612131188767
  • 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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