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Iwanai Surf Forecast
◀
6am Fri 18 Apr
1ft NNE
7kt ESE
(Knee High)
1ft+ North-east facing beaches
(Knee-Waist High)
0.8m @ 8.8s NNE (15°)
0.6m @ 5.7s WSW (252°)
12pm Fri 18 Apr
1ft NNE
8kt ESE
(Knee High)
0.6m @ 8.2s NNE (15°)
0.5m @ 5.9s WSW (238°)
6pm Fri 18 Apr
1ft NNE
17kt SE
(Knee High)
0.5m @ 7.5s NNE (17°)
0.5m @ 7.4s SW (228°)
0.4m @ 2.3s SSE (157°)
6am Sat 19 Apr
1ft SSW
19kt SSW
(Knee High)
1.3m @ 5.3s SSW (206°)
0.7m @ 7.8s SW (230°)
12pm Sat 19 Apr
1-2ft WNW
17kt WNW
(Waist High)
1.2m @ 4.8s WNW (293°)
0.9m @ 8.2s SW (230°)
6pm Sat 19 Apr
2ft NW
3kt WNW
(Waist-Shoulder High)
1.1m @ 5.2s NW (313°)
0.9m @ 8.2s SW (233°)
6am Sun 20 Apr
1ft NNW
19kt SE
(Knee High)
0.5m @ 5.2s NNW (343°)
0.6m @ 7.7s SW (232°)
0.6m @ 2.3s SE (131°)
12pm Sun 20 Apr
1ft N
13kt NNW
(Knee High)
0.6m @ 4.6s N (1°)
0.4m @ 7.5s SW (229°)
0.4m @ 4.2s SE (125°)
6pm Sun 20 Apr
2ft NNW
15kt NW
(Waist-Shoulder High)
1.2m @ 4.9s NNW (336°)
0.4m @ 7.1s SW (229°)
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
ESE
7kt
A
ESE
8kt
A
SE
17kt
A
SSW
19kt
A
WNW
17kt
A
WNW
3kt
A
SE
19kt
A
NNW
13kt
A
NW
15kt
Tide Times & Weather
2°C // 15°C
9°C // 11°C
7°C // 11°C
▶
Surf Forecast Swell Train Analysis
Date
Surf
Wind
Primary Swell
Secondary Swell
Tertiary Swell
-
Fri
18/04
12am
1ft+
1-2ft
NF
SE
3kt
1.0
m
9.2s
16 (NNE)
0.8
m
6.1s
257 (WSW)
6am
1ft
1ft+
NF
ESE
7kt
0.8
m
8.8s
15 (NNE)
0.6
m
5.7s
252 (WSW)
12pm
1ft
ESE
8kt
0.6
m
8.2s
15 (NNE)
0.5
m
5.9s
238 (WSW)
6pm
1ft
SE
17kt
0.5
m
7.5s
17 (NNE)
0.5
m
7.4s
228 (SW)
0.4
m
2.3s
157 (SSE)
Fri
18/04
1ft
ESE
8kt
0.6
m
8.2s
15 (NNE)
0.5
m
5.9s
238 (WSW)
-
Sat
19/04
12am
1ft
SSE
18kt
0.6
m
7.8s
227 (SW)
0.3
m
7.1s
17 (NNE)
1.1
m
4.3s
167 (SSE)
6am
1ft
SSW
19kt
1.3
m
5.3s
206 (SSW)
0.7
m
7.8s
230 (SW)
12pm
1-2ft
WNW
17kt
1.2
m
4.8s
293 (WNW)
0.9
m
8.2s
230 (SW)
6pm
2ft
WNW
3kt
1.1
m
5.2s
313 (NW)
0.9
m
8.2s
233 (SW)
Sat
19/04
1-2ft
WNW
17kt
1.2
m
4.8s
293 (WNW)
0.9
m
8.2s
230 (SW)
-
Sun
20/04
12am
1ft+
E
11kt
0.8
m
5.3s
329 (NNW)
0.8
m
8.1s
234 (SW)
6am
1ft
SE
19kt
0.5
m
5.2s
343 (NNW)
0.6
m
7.7s
232 (SW)
0.6
m
2.3s
131 (SE)
12pm
1ft
NNW
13kt
0.6
m
4.6s
1 (N)
0.4
m
7.5s
229 (SW)
0.4
m
4.2s
125 (SE)
6pm
2ft
NW
15kt
1.2
m
4.9s
336 (NNW)
0.4
m
7.1s
229 (SW)
Sun
20/04
1ft
NNW
13kt
0.6
m
4.6s
1 (N)
0.4
m
7.5s
229 (SW)
0.4
m
4.2s
125 (SE)
- bulletin_datetime_utc => 2025-04-18 06:00:00
- location_identifier => 283
- timezone => Asia/Tokyo