Kaiser's (Hachijojima Island) Surf Break

Kaiser's (Hachijojima Island) 48 hour detailed Surf Forecast

Lat Long: 33.07° N 139.84° E

Issued: 2 am 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Kaiser's (Hachijojima Island) sea temperature is
23.0° C

Slightly cooler than normal

Kaiser's (Hachijojima Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Kaiser's (Hachijojima Island) today (20 Jun):

  • Morning surf: Morning surf (20 Jun, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (20 Jun, local time) - 2ft (0.6m), 9s period with NE swell.
  • Evening surf: Evening surf (20 Jun, local time) - 2.5ft (0.8m), 8s period with NE swell.

The current surf forecast for Kaiser's (Hachijojima Island) at 8AM is: 0.4m 10s primary swell from a Southeast direction (forecast issued at 02:00am June 20). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Jun)1.5ft (0.4m)10s
Afternoon (20 Jun)2ft (0.6m)9s
Evening (20 Jun)2.5ft (0.8m)8s

Table - waves today at Kaiser's (Hachijojima Island). (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 23mm), heaviest during Sat morning. Warm (max 24°C on Sat afternoon, min 22°C on Mon night). Mainly strong winds.

Saturday
20
Sunday
21
Monday
22
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
0
0
1
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
NE
9
0.5
NE
9
0.4
SE
10
0.4
SE
10
0.5
SE
10
0.6
NE
9
0.6
NE
9
0.8
NE
8
1.1
NE
10
1.3
ENE
10
1.3
ENE
10
1.2
ENE
10
1
NE
10
0.9
ENE
10
0.9
NE
10
0.9
NE
10
0.8
ENE
10
0.9
NE
10
0.9
NE
10
0.9
NE
10
0.8
ENE
11
0.7
NE
11
0.6
ENE
11
0.6
NE
11
Wave Graph
Metric surfscale
Energy kJ
39
39
34
33
46
65
61
86
216
314
296
261
192
168
137
139
130
151
151
154
143
115
78
71
Wind (km/h)
15
W
5
WSW
10
SE
10
SSE
10
W
15
WSW
30
W
10
W
10
S
30
SW
40
SW
45
SW
50
SW
50
SW
45
WSW
45
WSW
45
WSW
40
W
40
W
45
WNW
45
W
45
W
35
WSW
40
W
Wind State
cross-off
cross-off
on
cross-on
cross-off
cross-off
cross-off
off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
High Tide
9:29PM1.32m
8:06AM1.39m
10:05PM1.33m
9:11AM1.31m
10:40PM1.36m
10:29AM1.23m
Low Tide
2:30AM0.95m
3:15PM0.36m
3:36AM0.93m
4:00PM0.57m
4:54AM0.88m
4:43PM0.75m
thunderstorm
part cloud
cloud
light rain
heavy rain
light rain
part cloud
cloud
cloud
part cloud
cloud
thunderstorm
rain showers
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:31
4:31
4:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
 mm
1
4
14
1
2
1
Temp °C
24
23
23
23
23
23
24
23
23
24
24
24
24
24
24
24
24
24
24
23
23
24
24
24
Feels °C
26
27
26
25
26
25
23
26
26
24
21
21
20
20
20
19
20
21
20
18
18
19
21
20
Swell 1
Height (m)
Direction
Period (s)
1.1
SW
7
1.1
SW
7
0.9
WSW
7
0.9
WSW
7
0.9
WSW
7
1.2
WSW
7
1.3
WSW
7
1.1
WSW
6
1.1
NE
10
1.3
ENE
10
1.3
ENE
10
1.2
ENE
10
1
NE
10
0.9
ENE
10
0.9
NE
10
0.9
NE
10
0.8
ENE
10
0.9
NE
10
0.9
NE
10
0.9
NE
10
0.8
ENE
11
0.7
NE
11
0.6
ENE
11
0.6
ENE
10
Energy kJ
128
112
83
88
88
123
138
104
216
314
296
261
192
168
137
139
130
151
151
154
143
115
78
64
Swell 2
Height (m)
Direction
Period (s)
0.5
NE
9
0.5
NE
9
0.4
SE
10
0.4
SE
10
0.5
NE
9
0.6
NE
9
0.6
NE
9
0.8
NE
8
1
WSW
6
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.5
SE
9
0.6
SE
9
0.6
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
10
0.4
SE
10
0.4
SE
10
0.5
NE
10
0.6
NE
11
Energy kJ
39
39
34
33
43
65
61
86
85
29
29
29
40
54
76
61
61
61
61
61
35
35
51
71
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
0.4
ENE
9
0.4
ENE
8
0.5
SE
10
0.5
SE
10
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.4
SE
11
0.2
E
6
0.4
ENE
11
0.1
E
16
0.1
S
12
0.1
S
12
0.1
S
11
0.1
S
11
0.5
SE
10
0.5
SE
11
Energy kJ
34
34
30
28
46
44
41
41
41
20
19
19
31
3
51
5
3
3
2
2
50
55
Wind waves
Height (m)
Direction
Period (s)
1.6
WSW
7
1.5
WSW
7
0.4
ENE
4
0.9
WSW
6
1.4
WSW
5
1.9
WSW
6
2.3
WSW
7
2.5
WSW
8
2.5
WSW
9
2.5
WSW
9
2.5
WSW
8
2.5
WSW
8
2.3
WSW
8
2.5
W
7
3
W
8
3
W
8
3
W
8
2.4
W
7
Energy kJ
223
195
5
69
102
268
520
865
1076
1073
1024
864
703
675
913
979
1060
618
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
2
1
2
1
1
2
3
2
1
3
3
2
2
3
3
3
Distance (km)
0
0
227
227
0
0
227
0
497
233
195
233
237
237
239
228
191
204
191
191
239
191
191
204
Best forecast wave conditions in Izu Islands
Rating
(10 max)
1
1
1
1
1
1
3
2
3
3
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
1
2
1
3
3
3
2
3
3
4
3
4
4
2
3
3
3
Header Global
Rating
(10 max)
4
4
4
4
5
5
5
5
5
5
8
9
9
9
8
7
8
8
8
7
6
5
6
6
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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