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Niigata North Surf Forecast
◀
6am Thu 10 Jul
1ft N
4kt N
(Knee High)
0.6m @ 4.3s N (8°)
12pm Thu 10 Jul
0.5ft N
6kt NNE
(Ankle High)
1ft North-east facing beaches
(Knee High)
0.5m @ 4.4s N (7°)
6pm Thu 10 Jul
1ft N
10kt NNE
(Knee High)
0.6m @ 4.7s N (8°)
6am Fri 11 Jul
1ft N
8kt ESE
(Knee High)
0.7m @ 6.1s N (4°)
12pm Fri 11 Jul
1ft N
11kt ENE
(Knee High)
0.6m @ 6.4s N (5°)
0.4m @ 3s ENE (60°)
6pm Fri 11 Jul
1ft NNE
11kt NNE
(Knee High)
0.6m @ 6.4s NNE (15°)
0.2m @ 6.3s NE (42°)
6am Sat 12 Jul
0.5ft NNE
5kt SE
(Ankle High)
1ft North-east facing beaches
(Knee High)
0.4m @ 5.9s NNE (17°)
0.2m @ 8.1s NNE (30°)
0.2m @ 6.3s NE (42°)
12pm Sat 12 Jul
0.5ft NNE
6kt ENE
(Ankle High)
0.3m @ 5.8s NNE (15°)
0.2m @ 7.9s NNE (23°)
6pm Sat 12 Jul
0.5ft NNE
6kt NNE
(Ankle High)
0.3m @ 5.6s NNE (12°)

Thu
6am
Thu
12pm
Thu
6pm
Fri
6am
Fri
12pm
Fri
6pm
Sat
6am
Sat
12pm
Sat
6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
N
4kt
A
NNE
6kt
A
NNE
10kt
A
ESE
8kt
A
ENE
11kt
A
NNE
11kt
A
SE
5kt
A
ENE
6kt
A
NNE
6kt
Tide Times & Weather



▶
Surf Forecast Swell Train Analysis
Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Thu
10/07
12am
0.5ft
1ft
NF
N
6kt
0.5
m
4s
4 (N)
6am
1ft
N
4kt
0.6
m
4.3s
8 (N)
12pm
0.5ft
1ft
NF
NNE
6kt
0.5
m
4.4s
7 (N)
6pm
1ft
NNE
10kt
0.6
m
4.7s
8 (N)
Thu
10/07
0.5ft
1ft
NF
NNE
6kt
0.5
m
4.4s
7 (N)
-
Fri
11/07
12am
1ft
ENE
6kt
0.7
m
5.5s
8 (N)
6am
1ft
ESE
8kt
0.7
m
6.1s
4 (N)
12pm
1ft
ENE
11kt
0.6
m
6.4s
5 (N)
0.4
m
3s
60 (ENE)
6pm
1ft
NNE
11kt
0.6
m
6.4s
15 (NNE)
0.2
m
6.3s
42 (NE)
Fri
11/07
1ft
ENE
11kt
0.6
m
6.4s
5 (N)
0.4
m
3s
60 (ENE)
-
Sat
12/07
12am
1ft
E
8kt
0.6
m
6.4s
19 (NNE)
0.2
m
8.1s
31 (NNE)
0.2
m
6.3s
41 (NE)
6am
0.5ft
1ft
NF
SE
5kt
0.4
m
5.9s
17 (NNE)
0.2
m
8.1s
30 (NNE)
0.2
m
6.3s
42 (NE)
12pm
0.5ft
ENE
6kt
0.3
m
5.8s
15 (NNE)
0.2
m
7.9s
23 (NNE)
6pm
0.5ft
NNE
6kt
0.3
m
5.6s
12 (NNE)
Sat
12/07
0.5ft
ENE
6kt
0.3
m
5.8s
15 (NNE)
0.2
m
7.9s
23 (NNE)
- bulletin_datetime_utc => 2025-07-09 18:00:00
- location_identifier => 257
- timezone => Asia/Tokyo