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 am 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kaiser's (Hachijojima Island) sea temperature is
28.9°C
1.2° 

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 (04 Sep):

  • Morning surf: Morning surf (04 Sep, local time) - 2.5ft (0.7m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (04 Sep, local time) - 3ft (0.9m), 9s period with SSW swell.
  • Evening surf: Evening surf (04 Sep, local time) - 2ft (0.6m), 9s period with E swell.

The current surf forecast for Kaiser's (Hachijojima Island) at 7AM is: 1.1m 10s primary swell from a South-southwest direction and 0.7m 6s secondary swell from a Southeast direction (forecast issued at 02:00am September 04). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (04 Sep)2.5ft (0.7m)9s
Afternoon (04 Sep)3ft (0.9m)9s
Evening (04 Sep)2ft (0.6m)9s

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


Short Range Forecast

Heavy rain (total 163mm), heaviest during Sat afternoon. Warm (max 28°C on Fri morning, min 23°C on Sat morning). Winds increasing (light winds from the SSW on Fri night, strong winds from the E by Sat night).

Friday
4
Saturday
5
Sunday
6
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SSW
10
1.1
SSW
10
1.1
SSW
10
0.7
E
9
0.6
E
9
0.9
SSW
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.7
ESE
8
0.6
SE
8
1.1
ESE
9
1.6
ESE
6
1.8
SE
7
2.1
ESE
7
2.2
E
7
2
SE
7
1.4
S
9
2.5
SSE
9
3.5
SSE
10
Wave Graph
Metric surfscale
Energy kJ
237
227
223
85
61
119
60
60
59
59
59
41
39
61
42
197
185
295
408
508
429
320
1185
1925
Wind (km/h)
15
SW
20
WSW
20
W
10
W
10
SW
10
SW
10
SSW
10
SSE
10
S
10
S
5
SSW
10
E
20
ENE
20
ENE
25
E
30
E
40
E
40
E
50
E
40
E
35
SE
40
S
30
SSE
20
S
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross
cross
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross
High Tide
11:16AM1.13m
8:44PM1.44m
9:30PM1.36m
4:20PM1.25m
Low Tide
3:58AM0.42m
2:23PM1.07m
5:24AM0.39m
6:58AM0.32m
7:23PM1.23m
clear
part cloud
part cloud
part cloud
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
heavy rain
heavy rain
heavy rain
light rain
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:00
6:00
 mm
1
1
1
1
2
9
14
19
16
2
2
7
17
18
11
15
4
5
Temp °C
28
28
28
28
28
28
28
28
28
27
27
24
23
24
24
25
25
26
26
26
27
28
28
28
Feels °C
31
31
31
32
32
31
32
32
31
30
31
27
24
26
25
25
23
24
23
24
27
27
28
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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