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

information circle16 Day Weather and Surf, issued 8 am Sunday 31 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
23.4° C
(Which is 1.0°C warmer than normal for this time of year)

Kaiser's (Hachijojima Island) surf forecast from 31 May 2026:

  • Best quality surf: Monday 1 Jun, 6AM (local time) - 3.5ft (1.0m), 11s period, S swell with glassy winds.
  • Most powerful swell: Wednesday 3 Jun, 12PM (local time) - 16ft (5.0m), 9s period, SSE swell with 3,888 kJ wave energy.
  • Next surfable swell (1★+): Monday 1 Jun, 6AM (local time) - 3.5ft (1.0m), 11s period with S 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 Monday (Jun 01) at 6AM. The primary swell is predicted to be 1.0m and 11s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 16 days are 5.0m 9s and forecast to arrive on Wednesday (Jun 03) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 8.5m 14s period and expected on Wednesday (Jun 03) at 6PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Mon 1st Jun)3.5ft (1.0m) 11s
Best Surf 6AM (Mon 1st Jun)3.5ft (1.0m) 11s
Most Powerful12PM (Wed 3rd Jun)16ft (5.0m) 9s

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

Heavy rain (total 24mm), heaviest during Tue night. Warm (max 23°C on Sun morning, min 17°C on Sun afternoon). Winds increasing (calm on Sun night, near gales from the SE by Tue night).

Days 4-6 Weather Summary

Heavy rain (total 79mm), heaviest during Wed afternoon. Warm (max 24°C on Wed morning, min 21°C on Fri night). Mainly gales.

Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
0
1
0
0
0
0
0
0
0
0
0
0
1
1
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
S
12
1.1
S
12
1.1
S
11
1
S
10
0.9
S
10
1.5
S
12
0.7
E
10
1.3
SE
6
1.9
SE
6
4
SSE
8
7.5
SW
16
0.9
ESE
9
1.1
ESE
9
1.1
ESE
9
2.2
NNE
10
2.4
NE
11
2.3
NE
11
2.2
NE
11
1.9
NE
11
1.8
NE
10
1.6
NE
11
Wave Graph
Metric surfscale
Energy kJ
190
327
297
214
159
647
88
101
266
1952
0
147
188
176
926
1250
1132
1141
835
689
551
Wind (km/h)
10
SSW
5
WSW
10
SSE
10
E
20
E
25
SE
25
SE
30
SE
35
SE
60
SE
70
S
55
NW
35
NNW
25
NNE
30
NNE
35
NE
35
E
35
E
35
ENE
30
E
30
ENE
cross
cross-off
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
off
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:27PM1.38m
4:35AM1.46m
7:02PM1.38m
5:06AM1.44m
7:37PM1.37m
5:39AM1.42m
8:12PM1.35m
6:13AM1.40m
8:49PM1.33m
6:50AM1.38m
9:27PM1.32m
7:31AM1.35m
10:07PM1.32m
Low Tide
11:22AM0.14m
11:18PM0.97m
11:54AM0.11m
11:52PM0.96m
12:27PM0.11m
00:26AM0.96m
1:01PM0.15m
00:59AM0.97m
1:37PM0.21m
1:35AM0.99m
2:15PM0.28m
2:18AM1.00m
2:56PM0.37m
cloud
light rain
part cloud
clear
part cloud
cloud
cloud
light rain
heavy rain
heavy rain
thunderstorm
rain showers
part cloud
cloud
light rain
rain showers
rain showers
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:33
4:31
4:31
4:31
4:31
4:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:43
6:44
6:45
6:45
6:45
6:45
3
1
20
20
47
7
1
3
1
Temp °C
23
21
19
20
21
21
21
22
21
24
24
24
22
22
22
22
22
22
21
21
21
23
20
15
21
19
20
19
20
18
16
16
18
18
20
20
18
18
18
16
17
16
Swell 1
Height (m)
Direction
Period (s)
0.9
E
10
1.1
S
12
1.1
S
11
1
S
10
1.2
SSW
13
1.5
S
12
1.7
SW
13
1.7
SW
13
1.4
SW
12
2.1
SW
16
0.9
ESE
9
3
SW
10
2
SW
9
2.2
NNE
10
2.4
NE
11
2.3
NE
11
2.2
NE
11
1.9
NE
11
1.8
NE
10
1.6
NE
11
Energy kJ
159
327
297
214
472
647
1027
966
590
2066
147
1516
623
926
1250
1132
1141
835
689
551
Swell 2
Height (m)
Direction
Period (s)
0.8
S
12
0.9
E
10
0.8
E
10
0.9
SSW
15
0.9
S
10
1.1
SW
15
0.7
E
10
0.7
E
9
0.8
WSW
17
1.5
WSW
18
1.1
ESE
9
1.4
NNE
8
1.4
SW
8
1
SW
8
0.8
SSW
7
0.7
SSW
7
0.5
SSW
7
0.4
SSW
7
0.4
ESE
9
Energy kJ
190
159
125
353
159
479
88
87
351
1523
188
256
266
110
68
41
26
19
28
Swell 3
Height (m)
Direction
Period (s)
0.5
WSW
6
0.3
SE
12
0.3
WSW
7
0.8
E
10
0.8
E
10
0.7
E
10
0.3
SE
11
0.3
SE
11
0.6
E
9
0.1
SE
13
1.1
ESE
9
0.9
ESE
8
0.7
ESE
8
0.6
ESE
9
0.5
E
9
0.3
SE
11
0.4
ESE
10
0.1
SE
10
Energy kJ
23
22
9
122
117
90
19
19
60
7
176
103
73
58
41
19
32
4
Wind waves
Height (m)
Direction
Period (s)
0.5
WSW
6
0.5
SE
3
0.8
SE
4
1.1
SE
6
1.3
SE
6
1.9
SE
6
4
SSE
8
7.5
SW
16
5.5
WSW
12
0.8
N
6
0.7
ESE
9
0.7
S
7
Energy kJ
23
5
22
69
101
266
1952
29648
9170
49
92
50
Nearest Offshore or Glassy
Rating
(10 max)
2
3
2
3
2
3
2
4
2
4
4
3
1
3
1
1
1
1
1
1
1
Distance (km)
152
0
152
152
248
195
191
227
248
784
546
233
226
227
480
227
497
497
1385
546
546
Best forecast wave conditions in Izu Islands
Rating
(10 max)
2
3
2
3
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
3
3
4
4
4
4
4
3
4
4
5
3
3
1
1
2
2
1
1
2
Header Global
Rating
(10 max)
7
6
5
5
4
4
5
5
6
5
5
5
5
4
5
5
5
9
6
6
9
  • 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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