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Monbetsu Surf Forecast

6am Fri 13 Jun
1ft NE 7kt SSW
(Knee High)
1ft+ North-east facing beaches
(Knee-Waist High)
0.7m @ 5.8s NE (51°)
12pm Fri 13 Jun
1ft NE 9kt SSE
(Knee High)
0.6m @ 5.8s NE (55°)
6pm Fri 13 Jun
1ft ENE 7kt S
(Knee High)
0.4m @ 5.8s ENE (57°)
6am Sat 14 Jun
0.5ft ENE 10kt SSW
(Ankle High)
0.2m @ 5.6s ENE (61°)
12pm Sat 14 Jun
0.5ft ENE 9kt S
(Ankle High)
0.2m @ 8.2s ENE (76°)
6pm Sat 14 Jun
Flat 10kt SSE
6am Sun 15 Jun
Flat 10kt S
(Flat)
Flat South facing beaches
(Ankle High)
0.2m @ 2.3s SSE (149°)
12pm Sun 15 Jun
0.5ft SE 10kt SE
(Ankle High)
0.4m @ 2.9s SE (140°)
6pm Sun 15 Jun
0.5ft SE 10kt S
(Ankle High)
1ft South facing beaches
(Knee High)
0.5m @ 3.5s SE (146°)

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Fri 6am
Fri 12pm
Fri 6pm
Sat 6am
Sat 12pm
Sat 6pm
Sun 6am
Sun 12pm
Sun 6pm
Wave Height & Swell Direction
Swell Train Data
Wind Speed & Direction
A
SSW 7kt
A
SSE 9kt
A
S 7kt
A
SSW 10kt
A
S 9kt
A
SSE 10kt
A
S 10kt
A
SE 10kt
A
S 10kt
Tide Times & Weather
Windy 12°C // 14°C
Windy 15°C // 16°C
Mostly cloudy 15°C // 16°C

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Fri 13/06
12am
1ft+
S 7kt
0.8 m
5.3s 49 (NE)
6am
1ft
1ft+
NF
SSW 7kt
0.7 m
5.8s 51 (NE)
12pm
1ft
SSE 9kt
0.6 m
5.8s 55 (NE)
6pm
1ft
S 7kt
0.4 m
5.8s 57 (ENE)
+
Fri 13/06
1ft
SSE 9kt
0.6 m
5.8s 55 (NE)
-
Sat 14/06
12am
0.5ft
SSW 8kt
0.3 m
5.7s 59 (ENE)
6am
0.5ft
SSW 10kt
0.2 m
5.6s 61 (ENE)
12pm
0.5ft
S 9kt
0.2 m
8.2s 76 (ENE)
6pm
Flat
SSE 10kt
+
Sat 14/06
0.5ft
S 9kt
0.2 m
8.2s 76 (ENE)
-
Sun 15/06
12am
Flat
WSW 5kt
6am
Flat
0.5ft
SF
S 10kt
0.2 m
2.3s 149 (SSE)
12pm
0.5ft
SE 10kt
0.4 m
2.9s 140 (SE)
6pm
0.5ft
1ft
SF
S 10kt
0.5 m
3.5s 146 (SE)
+
Sun 15/06
0.5ft
SE 10kt
0.4 m
2.9s 140 (SE)
  • bulletin_datetime_utc => 2025-06-12 18:00:00
  • location_identifier => 276
  • timezone => Asia/Tokyo