Kaiser's (Hachijojima Island) Surf Break

Lat Long: 33.07° N 139.84° E

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

Issued: 2 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kaiser's (Hachijojima Island) sea temperature is
28.9°C
1.0° 

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 (25 Aug):

  • Afternoon surf: Afternoon surf (25 Aug, local time) - 6ft (1.9m), 12s period with S swell.
  • Evening surf: Evening surf (25 Aug, local time) - 5.5ft (1.7m), 12s period with SSW swell.

The current surf forecast for Kaiser's (Hachijojima Island) at 7PM is: 1.8m 12s primary swell from a South direction and 0.9m 13s secondary swell from a East direction (forecast issued at 02:00pm August 25). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (JST) & DateWave HeightWave Period
Morning (25 Aug)--
Afternoon (25 Aug)6ft (1.9m)12s
Evening (25 Aug)5.5ft (1.7m)12s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Thu night. Warm (max 28°C on Tue afternoon, min 27°C on Thu night). Wind will be generally light.

Tue
25
Wednesday
26
Thursday
27
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)
4
4
4
3
3
2
1
1
1
1
1
1
0
0
0
1
0
0
1
1
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)
2.1
S
11
1.9
S
12
1.8
S
12
1.7
SSW
12
1.6
SSW
12
1.4
SSW
11
0.8
E
13
1.1
SSE
9
0.8
E
12
0.8
E
12
0.7
E
12
0.7
E
12
1
S
10
0.8
S
11
0.9
S
11
0.9
E
14
0.9
E
14
0.9
E
13
0.9
E
13
0.9
E
13
Wave Graph
Metric surfscale
Energy kJ
1134
952
880
861
694
494
211
202
184
178
140
136
181
151
184
334
294
281
284
284
Wind (km/h)
15
SW
15
WSW
10
SW
15
SSW
20
SW
25
WSW
20
SW
25
SW
20
SW
25
WSW
20
SW
20
SW
25
SW
25
SW
25
SW
30
SW
25
WSW
25
WSW
25
WSW
25
SW
Wind State
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-off
cross-off
cross-off
cross-off
High Tide
5:14PM1.44m
3:29AM1.45m
5:31PM1.49m
4:08AM1.54m
5:49PM1.54m
Low Tide
9:59AM0.28m
10:16PM1.03m
10:33AM0.24m
10:42PM0.95m
11:03AM0.24m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:14
6:13
 mm
1
2
2
1
2
Temp °C
27
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
Feels °C
30
31
32
32
31
31
31
31
30
30
31
31
30
30
30
29
30
30
30
30
  • 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
How to use the Wavefinder 

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