Kugenuma Rivermouth surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 2 am Friday 20 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
16.0° 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 9AM is: 0.1m 12s primary swell from a East direction (forecast issued at 02:00am February 20). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Feb)0.5ft (0.1m)12s
Afternoon (20 Feb)--
Evening (20 Feb)--

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

Updates in  hr  min  s Forecast update imminent
Friday
20
Saturday
21
Sunday
22
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
SW
0.2
E
0.1
E
0.1
E
0.1
SE
0.1
SE
0.1
SW
0.1
E
0.1
E
0.1
E
0.1
SW
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.1
E
0.7
SSW
1
SSW
1.2
SSW
Period(s) (?)71212129-9-41212124-121212561212445
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2113330301333103331133133463
Wind
(km/h)
15
NE
15
NE
15
NNE
15
NNE
10
NNE
5
E
5
SW
5
WNW
15
N
15
N
15
N
15
N
5
NNE
5
SE
5
SW
5
W
5
WSW
5
W
5
WSW
10
SSW
20
SSW
25
SSW
30
SW
35
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offoffoffoffglassoncrosscross-
off
offoffoffoffglassglasscross-
on
glassglasscross-
on
ononononon
High Tide
/ height (m)
6:40AM
1.39
6:54PM
1.31
7:04AM
1.40
7:39PM
1.21
7:29AM
1.39
8:32PM
1.09
Low Tide
/ height (m)
12:23AM
0.28
12:47PM
0.35
12:48AM
0.39
1:25PM
0.30
1:12AM
0.53
2:10PM
0.29
Friday
20
Saturday
21
Sunday
22
Sunrise---6:24-------6:22-------6:20----
Sunset-----5:28-------5:29-------5:30--
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C655579999878111212121111101112141413
Feels °C (?)0-1-1-126664323799999777875
  • 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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