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Rumoi Surf Forecast

Basic // Advanced
◀
6am Wed 20 Aug
1ft SW 11kt S
(Knee High)
0.7m @ 5s SW (228°)
12pm Wed 20 Aug
1ft SW 13kt SSW
(Knee High)
0.8m @ 4.8s SW (216°)
6pm Wed 20 Aug
1ft SW 11kt WSW
(Knee High)
0.9m @ 4.7s SW (230°)
6am Thu 21 Aug
1ft WSW 11kt NNE
(Knee High)
0.5m @ 5.2s WSW (238°)
12pm Thu 21 Aug
1ft N 11kt N
(Knee High)
0.8m @ 3.2s N (350°)
0.4m @ 5.4s WSW (238°)
6pm Thu 21 Aug
0.5ft NNW 8kt N
(Ankle High)
1ft North-east facing beaches
(Knee High)
0.5m @ 3.7s NNW (344°)
0.3m @ 5.9s WSW (240°)
6am Fri 22 Aug
0.5ft WSW 5kt ESE
(Ankle High)
0.3m @ 6.3s WSW (241°)
0.2m @ 4.1s NNW (343°)
12pm Fri 22 Aug
0.5ft WSW 7kt SW
(Ankle High)
0.3m @ 6.2s WSW (240°)
0.2m @ 4.2s NNW (345°)
6pm Fri 22 Aug
0.5ft WSW 3kt SSE
(Ankle High)
0.3m @ 6.1s WSW (239°)

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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
S 11kt
A
SSW 13kt
A
WSW 11kt
A
NNE 11kt
A
N 11kt
A
N 8kt
A
ESE 5kt
A
SW 7kt
A
SSE 3kt
Tide Times & Weather
Possible thunderstorm 21°C // 29°C
Thunderstorms clearing 21°C // 24°C
Late shower 18°C // 24°C
▶

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Wed 20/08
12am
1ft
SW 11kt
0.8 m
5s 226 (SW)
6am
1ft
S 11kt
0.7 m
5s 228 (SW)
12pm
1ft
SSW 13kt
0.8 m
4.8s 216 (SW)
6pm
1ft
WSW 11kt
0.9 m
4.7s 230 (SW)
+
Wed 20/08
1ft
SSW 13kt
0.8 m
4.8s 216 (SW)
-
Thu 21/08
12am
1ft
WNW 6kt
0.7 m
5s 235 (SW)
6am
1ft
NNE 11kt
0.5 m
5.2s 238 (WSW)
12pm
1ft
N 11kt
0.8 m
3.2s 350 (N)
0.4 m
5.4s 238 (WSW)
6pm
0.5ft
1ft
NF
N 8kt
0.5 m
3.7s 344 (NNW)
0.3 m
5.9s 240 (WSW)
+
Thu 21/08
1ft
N 11kt
0.8 m
3.2s 350 (N)
0.4 m
5.4s 238 (WSW)
-
Fri 22/08
12am
0.5ft
N 4kt
0.3 m
6.2s 241 (WSW)
0.4 m
4.1s 342 (NNW)
6am
0.5ft
ESE 5kt
0.3 m
6.3s 241 (WSW)
0.2 m
4.1s 343 (NNW)
12pm
0.5ft
SW 7kt
0.3 m
6.2s 240 (WSW)
0.2 m
4.2s 345 (NNW)
6pm
0.5ft
SSE 3kt
0.3 m
6.1s 239 (WSW)
+
Fri 22/08
0.5ft
SW 7kt
0.3 m
6.2s 240 (WSW)
0.2 m
4.2s 345 (NNW)
  • bulletin_datetime_utc => 2025-08-19 12:00:00
  • location_identifier => 280
  • timezone => Asia/Tokyo