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Iwanai Surf Forecast

Basic // Advanced
◀
6am Fri 02 May
Flat 24kt SE
(Flat)
Flat South facing beaches
(Waist High)
0.2m @ 7.5s SW (236°)
1.7m @ 5.2s SE (139°)
12pm Fri 02 May
0.5ft WSW 24kt SSE
(Ankle High)
1-2ft South facing beaches
(Waist High)
0.2m @ 7.8s WSW (239°)
1.9m @ 5.7s SE (146°)
6pm Fri 02 May
0.5ft SSE 32kt SE
(Ankle High)
2ft South facing beaches
(Waist-Shoulder High)
1.6m @ 5.9s SSE (168°)
1.8m @ 5.8s SE (126°)
0.2m @ 8.7s WSW (238°)
6am Sat 03 May
1ft+ SSW 24kt SSW
(Knee-Waist High)
1.9m @ 6.5s SSW (202°)
12pm Sat 03 May
1ft SW 22kt SSW
(Knee High)
0.9m @ 7s SW (227°)
6pm Sat 03 May
1-2ft SW 20kt SSW
(Waist High)
1.7m @ 5.8s SW (220°)
6am Sun 04 May
1ft+ SW 10kt SSW
(Knee-Waist High)
1.4m @ 6s SW (225°)
12pm Sun 04 May
1ft WSW 14kt SSE
(Knee High)
0.9m @ 6.1s WSW (237°)
0.6m @ 3.6s S (172°)
6pm Sun 04 May
1ft SW 7kt SSE
(Knee High)
0.7m @ 5.9s SW (228°)

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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
SE 24kt
A
SSE 24kt
A
SE 32kt
A
SSW 24kt
A
SSW 22kt
A
SSW 20kt
A
SSW 10kt
A
SSE 14kt
A
SSE 7kt
Tide Times & Weather
Late shower 7°C // 15°C
Heavy rain 10°C // 14°C
Rain 8°C // 12°C
▶

Surf Forecast Swell Train Analysis

Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Fri 02/05
12am
Flat
1ft
SF
SE 23kt
0.2 m
6.8s 234 (SW)
1.4 m
4.4s 145 (SE)
6am
Flat
1-2ft
SF
SE 24kt
0.2 m
7.5s 236 (SW)
1.7 m
5.2s 139 (SE)
12pm
0.5ft
1-2ft
SF
SSE 24kt
0.2 m
7.8s 239 (WSW)
1.9 m
5.7s 146 (SE)
6pm
0.5ft
2ft
SF
SE 32kt
1.6 m
5.9s 168 (SSE)
1.8 m
5.8s 126 (SE)
0.2 m
8.7s 238 (WSW)
+
Fri 02/05
0.5ft
1-2ft
SF
SSE 24kt
0.2 m
7.8s 239 (WSW)
1.9 m
5.7s 146 (SE)
-
Sat 03/05
12am
0.5ft
2ft
SF
SE 28kt
0.3 m
8.9s 236 (SW)
2.2 m
6.3s 148 (SSE)
6am
1ft+
SSW 24kt
1.9 m
6.5s 202 (SSW)
12pm
1ft
SSW 22kt
0.9 m
7s 227 (SW)
6pm
1-2ft
SSW 20kt
1.7 m
5.8s 220 (SW)
+
Sat 03/05
1ft
SSW 22kt
0.9 m
7s 227 (SW)
-
Sun 04/05
12am
1ft+
SSW 20kt
1.6 m
5.8s 218 (SW)
6am
1ft+
SSW 10kt
1.4 m
6s 225 (SW)
12pm
1ft
SSE 14kt
0.9 m
6.1s 237 (WSW)
0.6 m
3.6s 172 (S)
6pm
1ft
SSE 7kt
0.7 m
5.9s 228 (SW)
+
Sun 04/05
1ft
SSE 14kt
0.9 m
6.1s 237 (WSW)
0.6 m
3.6s 172 (S)
  • bulletin_datetime_utc => 2025-05-01 06:00:00
  • location_identifier => 283
  • timezone => Asia/Tokyo