Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan

information circle16 Day Weather and Surf, issued 2 am Thursday 28 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Kaiser's (Hachijojima Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kaiser's (Hachijojima Island) sea temperature is
23.5° C
(Which is 1.2°C warmer than normal for this time of year)

Kaiser's (Hachijojima Island) surf forecast from 27 May 2026:

  • Best quality surf: Sunday 31 May, 6PM (local time) - 5ft (1.6m), 14s period, S swell with cross-offshore winds.
  • Most powerful swell: Thursday 4 Jun, 9AM (local time) - 11ft (3.5m), 8s period, SSE swell with 1,319 kJ wave energy.
  • Next surfable swell (1★+): Saturday 30 May, 3AM (local time) - 2.5ft (0.8m), 11s period with E swell.

Best Forecast Surf Conditions for Kaiser's (Hachijojima Island) this week:

The surf forecast for Kaiser's (Hachijojima Island) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 30) at 3AM. The primary swell is predicted to be 0.8m and 11s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 16 days are 3.5m 8s and forecast to arrive on Thursday (Jun 04) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 14s period and expected on Thursday (Jun 04) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sat 30th May)2.5ft (0.8m) 11s
Best Surf 6PM (Sun 31st May)5ft (1.6m) 14s
Most Powerful 9AM (Thu 4th Jun)11ft (3.5m) 8s

Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Thu morning. Warm (max 24°C on Fri afternoon, min 22°C on Fri night). Winds decreasing (strong winds from the SSW on Thu morning, calm by Sat night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 23°C on Sun afternoon, min 21°C on Mon night). Wind will be generally light.

Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
1
3
3
3
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
Wave
Height (m)
Direction
Period (s)
0.8
ENE
10
0.7
ENE
10
0.9
E
10
0.8
E
9
0.8
E
9
0.8
E
11
0.9
E
11
0.9
ESE
11
0.9
E
10
0.7
SSW
16
1.1
S
13
1.7
SSW
13
1.4
S
12
1.9
SSW
13
0.7
E
10
0.7
E
9
0.7
E
10
0.7
E
9
0.6
E
9
1.4
SE
6
2.2
SSE
6
Wave Graph
Metric surfscale
Energy kJ
127
94
148
113
113
146
188
191
171
283
408
1042
555
1249
90
85
87
85
60
123
406
Wind (km/h)
35
SSW
35
SSW
35
WSW
35
WSW
30
W
25
W
20
ENE
5
SSW
10
SW
5
ESE
5
W
10
NNE
15
ENE
20
E
20
ESE
15
ESE
25
SE
25
SE
35
SE
40
SE
45
SSE
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-on
cross
cross-off
glassy
glassy
cross
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
High Tide
4:24PM1.31m
3:08AM1.51m
5:10PM1.35m
3:37AM1.51m
5:50PM1.37m
4:05AM1.49m
6:27PM1.38m
4:35AM1.46m
7:02PM1.38m
5:06AM1.44m
7:37PM1.37m
5:39AM1.42m
8:12PM1.35m
Low Tide
9:42AM0.42m
9:20PM0.94m
10:18AM0.30m
10:02PM0.96m
10:51AM0.20m
10:41PM0.97m
11:22AM0.14m
11:18PM0.97m
11:54AM0.11m
11:52PM0.96m
12:27PM0.11m
00:26AM0.96m
1:01PM0.15m
00:59AM0.97m
light rain
light rain
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
cloud
mod rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:33
4:33
4:33
4:33
4:31
4:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:40
6:42
6:42
6:43
6:43
6:44
6:45
3
1
10
19
Temp °C
23
23
23
23
24
24
23
23
23
22
23
23
22
22
22
22
22
22
22
22
23
21
21
20
22
23
23
23
24
25
24
25
24
22
21
22
21
21
20
19
19
16
Swell 1
Height (m)
Direction
Period (s)
0.8
ESE
8
0.8
ESE
8
0.9
E
10
0.8
E
9
0.8
E
9
0.8
E
11
1.1
SW
7
0.9
ESE
11
0.9
E
10
0.8
E
10
1.1
S
13
1.7
SSW
13
1.4
S
12
1.9
SSW
13
1.7
SSW
13
2.2
SSW
14
2.2
SSW
14
2.2
SW
14
2.4
SSW
14
2.1
SW
14
1.9
SW
14
Energy kJ
96
94
148
113
113
146
106
191
171
125
386
1042
555
1249
1026
2053
2053
1999
2313
1665
1338
Swell 2
Height (m)
Direction
Period (s)
0.8
ENE
10
0.7
ENE
10
0.5
NE
11
0.5
NE
12
0.8
SSE
6
0.6
NW
6
0.9
E
11
0.8
WSW
7
0.7
WSW
7
0.7
SSW
16
0.9
E
10
0.8
E
10
1.2
SSW
14
0.7
E
10
1.3
SW
16
0.7
E
9
0.7
E
10
0.7
E
9
0.6
E
9
0.7
E
9
Energy kJ
127
88
60
68
44
24
188
61
41
283
159
125
537
92
844
85
87
85
60
85
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.2
ESE
12
0.5
NE
12
0.4
NE
11
0.8
NW
6
0.6
N
6
0.6
S
6
0.6
S
12
0.9
SSW
15
0.1
NE
11
0.7
E
10
0.6
SSW
18
0.7
E
10
0.3
SE
11
0.3
SE
11
0.1
SE
13
0.3
SE
11
0.3
SE
11
Energy kJ
16
16
16
15
68
45
46
25
22
102
408
4
92
214
90
19
19
7
19
19
Wind waves
Height (m)
Direction
Period (s)
1.3
SSW
5
2.1
SSW
7
2.2
SW
8
2.1
SW
7
1.5
WSW
7
1.4
SW
7
0.9
WSW
7
0.9
SE
4
1.4
SE
6
2.2
SSE
6
Energy kJ
92
392
531
428
237
178
73
28
123
406
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
2
1
1
1
1
3
3
3
2
3
4
4
3
4
3
3
2
Distance (km)
191
195
249
195
204
495
191
191
0
0
0
152
191
191
195
195
248
195
191
191
248
Best forecast wave conditions in Izu Islands
Rating
(10 max)
1
1
1
1
3
3
3
2
3
3
3
Best forecast wave conditions in Japan
Rating
(10 max)
1
2
2
3
2
1
2
1
1
3
3
4
4
3
4
4
3
4
3
4
2
Header Global
Rating
(10 max)
6
9
9
6
5
4
5
5
5
7
7
6
5
4
4
4
5
6
4
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Kaiser's (Hachijojima Island) Surf forecast

The above surf forecast table for Kaiser's (Hachijojima Island) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kaiser's (Hachijojima Island) can be found by selecting the local surf guide option on the grey menu. Our Kaiser's (Hachijojima Island) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kaiser's (Hachijojima Island)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Kaiser's (Hachijojima Island) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Kaiser's (Hachijojima Island) is 191 km (119 miles) from Oshima. If you plan a holiday in Izu Islands, look for hotels and other accommodation in Oshima. Oshima has rooms for a wide range of budgets as well as car hire and transport links.

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