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

information circle16 Day Weather and Surf, issued 8 pm Friday 29 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 1.1°C warmer than normal for this time of year)

Kaiser's (Hachijojima Island) surf forecast from 29 May 2026:

  • Best quality surf: Saturday 30 May, 12PM (local time) - 3ft (0.9m), 11s period, E swell with offshore winds.
  • Most powerful swell: Friday 5 Jun, 6PM (local time) - 13ft (4.0m), 13s period, NE swell with 4,967 kJ wave energy.
  • Next surfable swell (1★+): Saturday 30 May, 9AM (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 9AM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.4m and 11s. 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 4.0m 13s and forecast to arrive on Friday (Jun 05) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 10.0m 16s period and expected on Wednesday (Jun 03) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sat 30th May)2.5ft (0.8m) 11s
Best Surf12PM (Sat 30th May)3ft (0.9m) 11s
Most Powerful 6PM (Fri 5th Jun)13ft (4.0m) 13s

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

Mostly dry. Warm (max 24°C on Fri night, min 20°C on Sun night). Winds decreasing (fresh winds from the W on Fri night, light winds from the WSW by Sat night).

Days 5-7 Weather Summary

Heavy rain (total 76mm), heaviest during Wed night. Warm (max 25°C on Wed night, min 20°C on Mon night). Winds increasing (light winds from the SE on Mon night, stormy winds from the SW by Wed night).

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Fri
5
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
1
0
0
2
2
0
1
2
0
0
0
0
0
0
0
1
1
3
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
E
11
0.8
E
11
0.9
E
11
0.9
E
10
0.8
S
12
1.1
S
12
1.1
S
11
0.9
S
10
1.6
SSW
13
0.8
E
10
0.8
E
10
0.7
E
9
0.7
E
9
2.5
SE
6
4.5
SE
8
10
SW
14
1.3
ESE
10
1.2
ESE
9
2.5
NNE
11
3
NNE
12
3.5
NE
13
Wave Graph
Metric surfscale
Energy kJ
146
146
181
171
190
327
297
177
905
121
118
85
81
543
2972
0
311
227
1511
2590
4257
Wind (km/h)
30
W
25
W
25
NW
15
WSW
10
SW
15
SW
20
SSW
10
SSE
15
SE
20
SSE
25
SE
25
SSE
20
SSE
45
SE
70
SE
95
SW
35
WNW
35
W
25
WNW
40
E
40
E
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
off
off
off
cross-on
cross-on
High Tide
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
6:13AM1.40m
8:49PM1.33m
6:50AM1.38m
Low Tide
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
1:37PM0.21m
1:35AM0.99m
2:15PM0.28m
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
light rain
light rain
mod rain
heavy rain
heavy rain
heavy rain
clear
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:33
4:33
4:31
4:31
4:31
4:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:42
6:42
6:43
6:43
6:44
6:45
6:45
6:45
1
2
8
11
22
32
Temp °C
24
23
23
23
24
24
23
20
21
21
21
21
21
22
24
25
24
24
24
22
22
20
22
22
22
23
23
19
21
20
19
18
19
20
17
15
13
21
21
23
18
17
Swell 1
Height (m)
Direction
Period (s)
0.8
E
11
0.8
E
11
0.9
WSW
7
0.9
E
10
0.9
E
10
1.1
S
12
1.1
S
11
1
SSW
15
1.6
SSW
13
1.4
SSW
13
2.1
SW
14
1.9
SW
14
2
SW
14
2.1
SW
15
3.5
WSW
17
3.5
WSW
11
2.1
SW
10
2.5
NNE
11
1
SW
8
3.5
NE
13
Energy kJ
146
146
83
171
161
327
297
468
905
669
1640
1319
1550
1885
6613
2546
815
1511
119
4257
Swell 2
Height (m)
Direction
Period (s)
0.4
NE
11
0.4
NE
11
0.9
E
11
0.6
WSW
7
0.8
S
12
0.9
E
10
0.8
E
10
0.9
S
10
0.8
E
10
1.4
SW
16
0.8
E
10
0.7
E
9
0.7
E
9
1.4
SSE
9
1.2
ESE
9
1.6
SW
9
0.7
ESE
9
0.8
SSW
7
Energy kJ
45
43
181
31
190
159
125
177
117
976
118
85
81
311
227
354
77
70
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
9
0.2
NNE
6
0.5
S
6
0.4
SSE
6
0.5
WSW
6
0.4
WSW
6
0.3
WSW
7
0.8
E
10
0.3
SE
11
0.8
E
10
0.3
SE
11
0.3
SE
11
1.3
ESE
10
1.1
N
7
0.9
ESE
9
0.3
SE
12
0.6
E
9
Energy kJ
3
3
17
10
23
14
9
122
20
121
19
19
289
126
132
22
57
Wind waves
Height (m)
Direction
Period (s)
1.8
WSW
7
1.7
W
7
0.6
WNW
6
0.4
NW
5
0.6
SSW
4
0.6
SE
4
0.7
SE
4
0.8
SE
5
0.9
SSE
5
2.5
SE
6
4.5
SE
8
10
SW
14
1.9
NW
8
3
NNE
12
Energy kJ
285
255
24
6
11
14
20
25
42
543
2972
40918
429
2590
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
2
2
2
3
3
4
4
3
4
2
3
3
2
4
3
1
1
Distance (km)
227
0
152
195
0
0
195
152
195
152
195
248
227
248
768
494
233
152
227
248
516
Best forecast wave conditions in Izu Islands
Rating
(10 max)
1
2
2
2
3
4
4
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
2
1
2
2
3
4
5
4
4
3
4
4
4
3
3
4
3
2
1
Header Global
Rating
(10 max)
5
5
5
7
7
6
5
5
4
4
5
8
4
6
5
5
5
5
5
7
6
  • 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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