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 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kaiser's (Hachijojima Island) sea temperature is
28.6°C
1.5° 

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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 15ft (4.5m), 14s period with SE swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 15ft (4.5m), 13s period with SE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 15ft (4.5m), 12s period with ESE swell.

The current surf forecast for Kaiser's (Hachijojima Island) at 4AM is: 4.5m 15s primary swell from a Southeast direction and 2.2m 8s secondary swell from a North-northeast direction (forecast issued at 08:00pm September 18). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 Sep)15ft (4.5m)14s
Afternoon (19 Sep)15ft (4.5m)13s
Evening (19 Sep)15ft (4.5m)12s

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


Short Range Forecast

Heavy rain (total 220mm), heaviest during Mon morning. Warm (max 28°C on Sun morning, min 25°C on Sat night). Winds increasing (fresh winds from the ENE on Fri night, extremely windy from the NW by Mon afternoon).

Fri
18
Saturday
19
Sunday
20
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
0
0
0
0
0
0
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)
3
NE
8
2.3
SE
13
3
SE
13
4
SE
16
4.5
SE
14
4.5
SE
14
4.5
SE
13
4.5
SE
13
4.5
SE
12
4.5
ESE
12
4.5
ESE
12
4.5
SE
12
4.5
ESE
12
4
ESE
11
3.5
ESE
10
4.5
SE
11
5
SE
12
5.5
SSE
12
Wave Graph
Metric surfscale
Energy kJ
1065
1876
2614
8522
8727
8284
6823
6246
5824
5799
5478
5111
4889
4161
2673
5415
7233
8778
Wind (km/h)
45
NE
45
ENE
40
ENE
35
ENE
35
ENE
40
ENE
40
ENE
45
ENE
40
E
40
ENE
45
E
45
E
40
E
45
E
45
ESE
50
ESE
50
ESE
55
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
High Tide
7:46PM1.50m
8:05PM1.41m
4:38PM1.33m
Low Tide
4:27AM0.67m
6:19AM0.65m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:40
 mm
1
1
2
4
4
4
3
1
8
3
18
10
20
16
6
5
3
3
Temp °C
27
27
27
27
27
27
27
27
26
25
25
25
26
27
28
27
28
28
Feels °C
23
24
25
25
25
25
25
24
23
22
22
21
24
25
26
24
25
24
  • 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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