Kaiser's (Hachijojima Island) Surf Break

Lat Long: 33.07° N 139.84° E

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

Issued: 8 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kaiser's (Hachijojima Island) sea temperature is
28.1° C
0.2° 

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 (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 2ft (0.6m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 9s period with ESE swell.
  • Evening surf: Evening surf (21 Aug, local time) - 2ft (0.6m), 10s period with E swell.

The current surf forecast for Kaiser's (Hachijojima Island) at 12AM is: 0.5m 8s primary swell from a East-northeast direction (forecast issued at 08:00pm August 20). An open ocean swell of 0.8m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Aug)2ft (0.6m)9s
Afternoon (21 Aug)2.5ft (0.8m)9s
Evening (21 Aug)2ft (0.6m)10s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Thu night, min 26°C on Thu night). Wind will be generally light.

Thu
20
Friday
21
Saturday
22
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)
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
8
0.7
SSW
9
0.5
ENE
8
0.9
SSW
9
0.5
SE
11
0.6
E
9
0.7
ESE
9
0.8
ESE
9
0.6
E
9
0.6
E
10
0.8
E
10
0.8
E
10
0.8
E
10
0.9
E
10
1
E
11
1.1
E
11
1.1
E
11
1.1
E
11
Wave Graph
Metric surfscale
Energy kJ
73
80
37
113
56
59
86
96
60
65
120
118
117
154
227
274
275
275
Wind (km/h)
15
SE
15
SE
15
SSE
10
S
10
SSE
15
SSE
15
S
15
S
15
S
15
S
20
S
20
S
20
S
20
S
15
S
15
S
15
S
15
S
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
High Tide
8:57PM1.51m
9:25PM1.41m
Low Tide
5:33AM0.64m
7:12AM0.57m
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:20
6:19
 mm
Temp °C
27
26
27
26
26
27
27
27
27
27
27
27
27
27
27
27
27
27
Feels °C
29
27
29
28
28
29
29
28
28
28
28
28
28
28
28
29
29
28
  • 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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