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Niigata South Surf Forecast

Basic // Advanced
◀
6am Thu 28 Aug
1ft+ W 1kt NNW
(Knee-Waist High)
0.9m @ 6.1s W (277°)
0.3m @ 6.4s N (354°)
12pm Thu 28 Aug
1ft N 2kt NE
(Knee High)
0.6m @ 7.4s N (357°)
0.4m @ 5.5s NW (309°)
6pm Thu 28 Aug
1ft N 5kt NE
(Knee High)
0.8m @ 7.5s N (360°)
0.4m @ 5.6s NW (310°)
6am Fri 29 Aug
1ft N 3kt SW
(Knee High)
0.7m @ 7.5s N (4°)
0.3m @ 5.3s NW (311°)
12pm Fri 29 Aug
1ft N 5kt SW
(Knee High)
0.6m @ 7.5s N (7°)
0.3m @ 5.2s NW (317°)
6pm Fri 29 Aug
1ft N 3kt WSW
(Knee High)
0.5m @ 7.6s N (9°)
0.2m @ 5.1s NW (318°)
6am Sat 30 Aug
0.5ft N 9kt SW
(Ankle High)
1ft North-east facing beaches
(Knee High)
0.4m @ 8.1s N (11°)
0.2m @ 5.7s W (273°)
0.3m @ 3s WSW (248°)
12pm Sat 30 Aug
1ft W 11kt WSW
(Knee High)
0.5m @ 5.7s W (266°)
0.3m @ 7.8s N (11°)
6pm Sat 30 Aug
1ft W 7kt WSW
(Knee High)
0.6m @ 5.6s W (275°)
0.2m @ 7.6s NNE (12°)

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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
NNW 1kt
A
NE 2kt
A
NE 5kt
A
SW 3kt
A
SW 5kt
A
WSW 3kt
A
SW 9kt
A
WSW 11kt
A
WSW 7kt
Tide Times & Weather
Mostly cloudy 22°C // 29°C
Mostly cloudy 23°C // 32°C
Mostly sunny 24°C // 33°C
▶

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Thu 28/08
12am
1-2ft
NW 5kt
1.2 m
6.4s 266 (W)
0.2 m
7.5s 352 (N)
6am
1ft+
NNW 1kt
0.9 m
6.1s 277 (W)
0.3 m
6.4s 354 (N)
12pm
1ft
NE 2kt
0.6 m
7.4s 357 (N)
0.4 m
5.5s 309 (NW)
6pm
1ft
NE 5kt
0.8 m
7.5s 360 (N)
0.4 m
5.6s 310 (NW)
+
Thu 28/08
1ft
NE 2kt
0.6 m
7.4s 357 (N)
0.4 m
5.5s 309 (NW)
-
Fri 29/08
12am
1ft
SSE 2kt
0.8 m
7.5s 2 (N)
0.4 m
5.5s 311 (NW)
6am
1ft
SW 3kt
0.7 m
7.5s 4 (N)
0.3 m
5.3s 311 (NW)
12pm
1ft
SW 5kt
0.6 m
7.5s 7 (N)
0.3 m
5.2s 317 (NW)
6pm
1ft
WSW 3kt
0.5 m
7.6s 9 (N)
0.2 m
5.1s 318 (NW)
+
Fri 29/08
1ft
SW 5kt
0.6 m
7.5s 7 (N)
0.3 m
5.2s 317 (NW)
-
Sat 30/08
12am
1ft
SSW 8kt
0.4 m
8.1s 10 (N)
6am
0.5ft
1ft
NF
SW 9kt
0.4 m
8.1s 11 (N)
0.2 m
5.7s 273 (W)
0.3 m
3s 248 (WSW)
12pm
1ft
WSW 11kt
0.5 m
5.7s 266 (W)
0.3 m
7.8s 11 (N)
6pm
1ft
WSW 7kt
0.6 m
5.6s 275 (W)
0.2 m
7.6s 12 (NNE)
+
Sat 30/08
1ft
WSW 11kt
0.5 m
5.7s 266 (W)
0.3 m
7.8s 11 (N)
  • bulletin_datetime_utc => 2025-08-27 18:00:00
  • location_identifier => 258
  • timezone => Asia/Tokyo