Kugenuma Surf Forecast — Shonan, Japan

Mellow black-sand beach break in Shonan near Tokyo. Beginner-friendly left and right peaks, best on summer-autumn typhoon swells; often crowded.

Kugenuma is a surf spot in Shonan, Japan located at 35.3140, 139.4710. View the free 16-day forecast: wave height, swell period and direction, wind speed and direction, tide and live buoy conditions, plus a multi-day surf outlook and model comparison.

SwellByte

KUGENUMA

1-2ft
1.3ft @ 6s SSW
Medium confidence
Wind
5mph
Offshore
Temp
80°F
Water: 83°F

FORECAST

THU
30/07
1-3ft
3
FRI
31/07
1-2ft
4
SAT
01/08
1-3ft
4
SUN
02/08
3-5ft
7
MON
03/08
4-6ft
10

THURSDAY 30/07

Surf
Swell
Wind
Energy
6am
1-2ft
1.3ft@ 6s SSW
35
mph
7.3kJ
Noon
1-3ft
2.2ft@ 6s SSW
520
mph
15.9kJ
6pm
1-2ft
1.9ft@ 6s SSW
312
mph
11.9kJ
Show all 8 hours

FRIDAY 31/07

Surf
Swell
Wind
Energy
6am
1-2ft
1.6ft@ 6s SSW
412
mph
9.1kJ
Noon
Flat
1.3ft@ 6s SSW
521
mph
5.7kJ
6pm
Flat
1.1ft@ 6s SSW
214
mph
3.7kJ
Show all 8 hours

SATURDAY 01/08

Surf
Swell
Wind
Energy
6am
Flat
1.1ft@ 5s S
410
mph
3.2kJ
Noon
Flat
1.1ft@ 5s S
522
mph
3.3kJ
6pm
1-3ft
1.1ft@ 14s SE
417
mph
132.6kJ
Show all 8 hours

SUNDAY 02/08

Surf
Swell
Wind
Energy
6am
2-3ft
1.4ft@ 15s SE
35
mph
197.0kJ
Noon
2-4ft
1.6ft@ 15s SE
521
mph
283.9kJ
6pm
3-5ft
2.4ft@ 15s SE
312
mph
547.1kJ
Show all 8 hours

MONDAY 03/08

Surf
Swell
Wind
Energy
6am
4-5ft
2.8ft@ 17s SE
1025
mph
875.4kJ
Noon
4-6ft
3.1ft@ 16s SE
1127
mph
1076.4kJ
6pm
4-6ft
3.3ft@ 16s SE
1026
mph
1081.7kJ
Show all 8 hours

TIDES

No tide data available. Tide predictions require a nearby NOAA station
Sunrise: 4:49amSunset: 6:47pm
UV Index: 0.0Cloud Cover: 17%
N/A
Swell
N/A
Wind
22.3 mi
Visibility
0/5
Rating

SwellByte Surfguide

Kugenuma is a popular surf destination. Check the current conditions and forecast to plan your session. The rating system helps you understand the quality of the surf based on wave height, period, direction, wind conditions, and tide.