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Niigata South Surf Forecast
◀
6am Wed 09 Jul
0.5ft NNE
6kt NNE
(Ankle High)
0.4m @ 4.1s NNE (14°)
12pm Wed 09 Jul
0.5ft N
6kt NNE
(Ankle High)
0.3m @ 4.1s N (11°)
6pm Wed 09 Jul
0.5ft NNE
10kt NNE
(Ankle High)
0.3m @ 4.1s NNE (12°)
0.3m @ 2.6s NNE (25°)
6am Thu 10 Jul
0.5ft N
4kt NE
(Ankle High)
0.3m @ 3.9s N (11°)
12pm Thu 10 Jul
0.5ft N
8kt NNE
(Ankle High)
0.4m @ 4.2s N (10°)
6pm Thu 10 Jul
1ft N
9kt NNE
(Knee High)
0.6m @ 4.8s N (9°)
6am Fri 11 Jul
1ft N
5kt ENE
(Knee High)
0.8m @ 6.2s N (7°)
12pm Fri 11 Jul
1ft N
7kt NNE
(Knee High)
0.7m @ 6.6s N (10°)
6pm Fri 11 Jul
1ft NNE
11kt NNE
(Knee High)
1ft+ North-east facing beaches
(Knee-Waist High)
0.8m @ 6.6s NNE (21°)
Wed
6am
Wed
12pm
Wed
6pm
Thu
6am
Thu
12pm
Thu
6pm
Fri
6am
Fri
12pm
Fri
6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
NNE
6kt
A
NNE
6kt
A
NNE
10kt
A
NE
4kt
A
NNE
8kt
A
NNE
9kt
A
ENE
5kt
A
NNE
7kt
A
NNE
11kt
Tide Times & Weather
24°C // 29°C
24°C // 28°C
22°C // 28°C
▶
Surf Forecast Swell Train Analysis
Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Wed
09/07
12am
0.5ft
NE
7kt
0.2
m
5.1s
285 (WNW)
0.2
m
2.3s
36 (NE)
6am
0.5ft
NNE
6kt
0.4
m
4.1s
14 (NNE)
12pm
0.5ft
NNE
6kt
0.3
m
4.1s
11 (N)
6pm
0.5ft
NNE
10kt
0.3
m
4.1s
12 (NNE)
0.3
m
2.6s
25 (NNE)
Wed
09/07
0.5ft
NNE
6kt
0.3
m
4.1s
11 (N)
-
Thu
10/07
12am
0.5ft
NE
4kt
0.4
m
3.9s
15 (NNE)
6am
0.5ft
NE
4kt
0.3
m
3.9s
11 (N)
12pm
0.5ft
NNE
8kt
0.4
m
4.2s
10 (N)
6pm
1ft
NNE
9kt
0.6
m
4.8s
9 (N)
Thu
10/07
0.5ft
NNE
8kt
0.4
m
4.2s
10 (N)
-
Fri
11/07
12am
1ft
ESE
6kt
0.7
m
5.7s
7 (N)
6am
1ft
ENE
5kt
0.8
m
6.2s
7 (N)
12pm
1ft
NNE
7kt
0.7
m
6.6s
10 (N)
6pm
1ft
1ft+
NF
NNE
11kt
0.8
m
6.6s
21 (NNE)
Fri
11/07
1ft
NNE
7kt
0.7
m
6.6s
10 (N)
- bulletin_datetime_utc => 2025-07-08 06:00:00
- location_identifier => 258
- timezone => Asia/Tokyo