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 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kaiser's (Hachijojima Island) sea temperature is
28.7° 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 (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 7ft (2.1m), 13s period with E swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 6.5ft (2.0m), 13s period with E swell.
  • Evening surf: Evening surf (09 Aug, local time) - 6ft (1.9m), 12s period with E swell.

The current surf forecast for Kaiser's (Hachijojima Island) at 1PM is: 2.0m 13s primary swell from a East direction (forecast issued at 08:00am August 09). An open ocean swell of 1.1m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (09 Aug)7ft (2.1m)13s
Afternoon (09 Aug)6.5ft (2.0m)13s
Evening (09 Aug)6ft (1.9m)12s

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


Short Range Forecast

Heavy rain (total 28mm), heaviest during Tue night. Warm (max 27°C on Sun morning, min 25°C on Tue morning). Winds decreasing (fresh winds from the NNE on Mon morning, light winds from the E by Tue morning).

Sunday
9
Monday
10
Tuesday
11
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
2
2
3
1
3
3
2
2
1
1
1
1
1
1
1
1
2
1
2
2
0
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
E
13
2.1
E
13
2.1
E
13
2
E
13
2
E
12
1.9
E
12
1.9
E
12
2
E
12
2.3
E
12
2.5
ENE
12
2.5
ENE
12
2.4
ENE
11
2.4
ENE
11
2.3
ENE
11
2.3
ENE
11
2.3
ENE
10
2.2
ENE
10
1.6
ENE
10
1.7
ENE
11
1.6
NE
9
1.6
NE
9
1.4
ENE
10
Wave Graph
Metric surfscale
Energy kJ
1567
1520
1487
1288
1206
1054
1039
1198
1544
1669
1678
1511
1340
1194
1192
981
871
544
643
418
423
411
Wind (km/h)
15
ENE
10
ENE
10
NNE
15
NE
10
NE
15
NNE
15
NNE
25
NNE
30
NNE
30
NNE
35
NNE
30
NNE
30
NNE
30
NE
30
NNE
30
NNE
25
NE
20
NE
10
E
10
SE
20
SSE
25
S
Wind State
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
High Tide
4:29PM1.28m
1:26AM1.30m
5:04PM1.36m
2:48AM1.38m
5:36PM1.42m
Low Tide
8:23AM0.11m
8:54PM1.11m
9:23AM-0.01m
9:49PM1.04m
10:14AM-0.07m
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
clear
clear
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
5:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:32
6:31
6:30
 mm
1
3
2
1
2
Temp °C
26
26
27
27
27
27
27
27
27
27
27
27
27
27
27
27
26
25
25
25
25
26
Feels °C
28
28
29
27
28
28
28
26
25
26
25
25
25
25
26
25
25
25
27
27
25
26
  • 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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