Kaiser's (Hachijojima Island) Surf Break

Lat Long: 33.07° N 139.84° E

Kaiser's (Hachijojima Island) Surf Forecast and Surf Report

Issued: 2 am 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kaiser's (Hachijojima Island) sea temperature is
28.7°C
0.8° 

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


Kaiser's (Hachijojima Island) surf forecast from 24 Aug 2026:

  • Best quality surf: Tuesday 25 Aug, 12PM (local time) - 7ft (2.1m), 11s period, S swell with cross-offshore winds.
  • Most powerful swell: Tuesday 25 Aug, 6AM (local time) - 7.5ft (2.3m), 12s period, S swell with 1,591 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 25 Aug, 12PM (local time) - 7ft (2.1m), 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 Tuesday (Aug 25) at 12PM. The primary swell is predicted to be 2.1m and 11s period with a secondary swell of 0.9m and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 16 days are 2.3m 12s and forecast to arrive on Tuesday (Aug 25) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 12s period and expected on Wednesday (Aug 26) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Tue 25th Aug)7ft (2.1m) 11s
Best Surf12PM (Tue 25th Aug)7ft (2.1m) 11s
Most Powerful 6AM (Tue 25th Aug)7.5ft (2.3m) 12s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Tue afternoon, min 27°C on Tue morning). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 26mm), heaviest during Fri morning. Warm (max 28°C on Fri morning, min 27°C on Fri night). Wind will be generally light.

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
4
3
1
1
0
1
0
0
1
0
1
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)
2.2
S
12
1.9
S
12
1.6
SSW
12
1.1
SSE
9
0.8
E
12
0.7
E
12
0.9
E
14
0.9
E
13
0.9
E
13
0.9
E
13
0.8
E
12
0.8
E
12
0.7
E
12
0.7
E
12
0.6
E
11
0.6
E
11
0.7
ENE
12
0.7
ENE
12
0.7
E
11
0.6
ENE
11
1.1
SSE
12
Wave Graph
Metric surfscale
Energy kJ
1369
952
694
202
178
141
334
281
280
255
187
177
132
130
88
85
147
145
121
95
386
Wind (km/h)
15
SSW
15
WSW
20
SW
20
SW
25
SW
30
SW
25
SW
25
SW
25
SW
20
WSW
25
WSW
20
WSW
20
W
20
WSW
20
SW
25
SW
15
WSW
15
SSW
10
SE
15
SE
20
ESE
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
on
High Tide
5:14PM1.44m
3:29AM1.45m
5:31PM1.49m
4:08AM1.54m
5:49PM1.54m
4:45AM1.61m
6:06PM1.59m
5:21AM1.66m
6:25PM1.63m
5:59AM1.65m
6:44PM1.66m
6:40AM1.60m
7:05PM1.65m
Low Tide
9:59AM0.28m
10:16PM1.03m
10:33AM0.24m
10:42PM0.95m
11:03AM0.24m
11:08PM0.87m
11:30AM0.28m
11:37PM0.80m
11:56AM0.36m
00:08AM0.72m
12:23PM0.46m
00:42AM0.64m
12:50PM0.58m
1:21AM0.56m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:09
5:11
5:11
5:11
5:13
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:14
6:13
6:12
6:09
6:08
6:07
 mm
5
1
7
2
2
1
5
1
2
3
Temp °C
27
28
28
28
28
28
28
28
28
28
28
28
28
28
28
27
28
28
27
28
27
Feels °C
30
31
32
31
30
31
29
29
30
30
29
31
30
30
31
28
30
32
30
31
29
  • 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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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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