Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 17 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
16.7° 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 4PM is: 0.1m 10s primary swell from a East direction and 0.1m 6s secondary swell from a Southeast direction (forecast issued at 08:00am February 17). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Feb)0.5ft (0.2m)6s
Afternoon (17 Feb)0.5ft (0.1m)10s
Evening (17 Feb)0.5ft (0.2m)6s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
SE
0.2
ESE
0.1
E
0.1
E
0.1
E
0.2
E
0.2
E
0.2
E
0.2
E
0.3
ESE
0.1
E
0.2
E
0.1
E
1.7
SW
0.6
SW
0.4
SW
0.2
SSW
0.1
SW
0.2
SSW
0.1
SW
0.1
E
0.1
SW
0.1
E
0.2
E
Period(s) (?)5610101061111109101197655855124912
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4422231098172102268307333131211
Wind
(km/h)
25
NNE
25
NE
20
NE
5
ENE
5
E
5
E
5
N
10
N
10
N
10
N
5
NE
10
ESE
10
ENE
10
NW
45
N
30
NNE
10
NNW
5
WSW
15
S
15
S
20
SSW
10
SW
5
NW
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
off
glassglassglasscross-
off
cross-
off
cross-
off
glasscrosscross-
off
cross-
off
offoffcross-
off
cross-
on
oncross-
on
oncross-
on
cross-
off
off
High Tide
/ height (m)
5:47AM
1.32
4:54PM
1.38
6:02AM
1.34
5:33PM
1.39
6:19AM
1.36
6:12PM
1.37
Low Tide
/ height (m)
11:18AM
0.66
11:33PM
0.12
11:44AM
0.54
11:58PM
0.19
12:14PM
0.43
12:23AM
0.28
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
Sunrise-6:26-------6:26-------6:24------
Sunset---5:24-------5:25-------5:27----
light rain
light rain
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
Rain (mm)
21----------------------
Temp. °C435766676781011105446889986
Feels °C (?)-3-3-143444245676-6-5-12333540
  • 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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