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 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kaiser's (Hachijojima Island) sea temperature is
28.4°C
1.4° 

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):

  • 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 SE swell.

The current surf forecast for Kaiser's (Hachijojima Island) at 10PM is: 4.5m 12s primary swell from a Southeast direction and 1.2m 8s secondary swell from a North-northeast direction (forecast issued at 02:00pm September 19). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 Sep)--
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 70mm), heaviest during Mon night. Warm (max 28°C on Sun morning, min 26°C on Sat afternoon). Winds increasing (fresh winds from the E on Sat night, extremely windy from the WSW by Mon night).

Sat
19
Sunday
20
Monday
21
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)
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
Height Map
Wave
Height (m)
Direction
Period (s)
4.5
SE
13
4.5
SE
13
4.5
SE
13
4.5
SE
12
4.5
ESE
12
4.5
SE
12
4.5
SE
11
4.5
SE
11
4
ESE
10
4.5
SE
11
5
SE
11
5
SE
11
5.5
SSE
12
5.5
SSE
12
6
SSE
12
6.5
SSE
12
7.5
SSE
12
9.5
S
13
13
SSW
14
1.7
SE
10
Wave Graph
Metric surfscale
Energy kJ
7058
6429
6516
5891
5799
5384
5733
4804
3095
4688
5323
6203
7506
9107
10717
11531
15585
31802
65168
535
Wind (km/h)
40
ENE
40
E
40
E
45
ENE
45
E
45
E
35
E
40
E
40
ESE
45
ESE
45
ESE
50
ESE
50
ESE
55
SE
60
SE
65
SE
75
SE
95
SE
115
S
120
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-off
High Tide
8:05PM1.41m
4:38PM1.33m
4:04PM1.38m
Low Tide
6:19AM0.65m
7:45AM0.59m
8:57PM1.21m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
<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
5:39
 mm
2
1
3
4
3
3
3
3
6
5
3
2
1
3
2
2
4
5
4
1
Temp °C
28
27
26
26
27
26
27
27
28
28
28
28
28
28
28
28
28
28
28
27
Feels °C
26
24
24
23
24
22
26
26
27
26
26
25
25
24
23
22
20
17
13
10
  • 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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