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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°)

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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
Showers 24°C // 29°C
Late shower 24°C // 28°C
Clearing shower 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