Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 8 am Sunday 19 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
16.7° C
(Which is 1.5°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 11AM is: 1.5m 15s primary swell from a South-southeast direction (forecast issued at 08:00am April 19). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (JST) & DateWave HeightWave Period
Morning (19 Apr)5ft (1.5m)14s
Afternoon (19 Apr)5ft (1.5m)15s
Evening (19 Apr)5ft (1.5m)15s

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


Updates in  hr  min  s Forecast update imminent
Sunday
19
Monday
20
Tuesday
21
Wed
22
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
3
3
3
1
2
2
3
3
3
3
1
0
0
0
0
0
0
0
1
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
SSE
1.5
SSE
1.5
SSE
1.5
SSE
1.6
SSE
1.5
SSE
1.5
SSE
1.4
SE
1.4
SE
1.3
SE
1.1
SE
0.9
SE
0.9
SE
0.8
SE
0.8
SE
0.7
SE
0.6
SE
0.6
SE
0.5
SE
0.5
SE
0.4
SE
0.4
SE
0.3
ESE
0.2
ESE
Period(s) (?)141415151415141414131313121212121211111111101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)845899911911107297494783471157744428225621017213911079595840282111
Wind
(km/h)
5
NNE
10
NE
10
E
15
S
15
S
10
SE
5
ESE
10
ENE
15
ENE
10
E
10
S
20
S
20
SSE
20
S
20
SSW
20
SW
20
SW
10
WSW
20
NNE
15
ENE
10
S
15
SSE
10
S
5
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassoffcross-
off
ononcross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
onononcross-
on
offcross-
off
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
5:03AM
1.44
6:45PM
1.28
5:29AM
1.45
7:28PM
1.22
5:57AM
1.43
8:20PM
1.15
Low Tide
/ height (m)
11:56AM
-0.02
11:43PM
0.77
12:31PM
-0.02
12:08AM
0.83
1:11PM
0.03
12:35AM
0.90
Sunday
19
Monday
20
Tuesday
21
Wed
22
Sunrise5:05-------5:03-------5:03-------
Sunset----6:16-------6:17-------6:19---
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C161820201918171716171818181717161618192120171717
Feels °C (?)161718181718171714151614151414131316151817161717
  • 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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