Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan

information circle48hr Weather and Surf, issued 2 pm Saturday 25 Apr 2026 JST
Forecast update in hr  min  s Forecast update imminent
Kaiser's (Hachijojima Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kaiser's (Hachijojima Island) sea temperature is
22.2° C
(Which is 2.1°C warmer than normal for this time of year)

How big are the waves at Kaiser's (Hachijojima Island) today?

The current surf forecast for Kaiser's (Hachijojima Island) at 7PM is: 2.5m 8s primary swell from a East-northeast direction and 1.0m 13s secondary swell from a Northeast direction (forecast issued at 02:00pm April 25). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (25 Apr)--
Afternoon (25 Apr)8ft (2.5m)8s
Evening (25 Apr)8ft (2.5m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 29mm), heaviest during Sun night. Warm (max 21°C on Mon afternoon, min 16°C on Sat afternoon). Winds decreasing (strong winds from the E on Sat afternoon, light winds from the NW by Mon night).

Sat
25
Sunday
26
Monday
27
Tue
28
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
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
1
1
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.4
ENE
8
2.1
E
8
1
NE
15
1.4
NE
15
1.4
NE
14
1.4
NE
14
1.3
NE
14
1.3
NE
14
1.3
NE
13
1.1
NE
13
1.2
NE
13
1.1
NE
13
1.1
NE
13
0.9
NE
12
0.9
NE
12
0.8
NE
12
0.8
NE
12
0.6
NE
12
0.6
NE
12
0.8
NNE
6
Wave Graph
Metric surfscale
Energy kJ
821
860
784
693
644
496
447
773
821
731
630
586
560
437
480
374
369
252
240
200
169
112
108
51
Wind (km/h)
40
ENE
45
E
40
E
40
E
35
E
30
E
30
E
30
E
30
E
30
E
30
ESE
30
ESE
30
SE
35
S
40
WSW
40
WSW
35
WSW
30
WSW
15
WNW
30
NNE
15
NNE
10
NW
10
W
10
SW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-off
cross-off
cross-off
cross-off
off
cross
cross
off
cross-off
cross-off
High Tide
10:05AM1.10m
2:45AM1.12m
12:52PM1.10m
3:04AM1.21m
2:30PM1.20m
3:24AM1.32m
Low Tide
6:41PM0.38m
7:51AM0.92m
7:52PM0.45m
8:48AM0.77m
8:45PM0.52m
light rain
cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
heavy rain
thunderstorm
thunderstorm
thunderstorm
clear
rain showers
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:17
6:19
6:19
1
1
5
8
11
1
1
1
1
Temp °C
17
16
17
16
16
17
17
17
17
18
18
18
19
19
20
20
20
21
19
18
18
18
18
18
9
7
9
8
9
11
11
11
12
14
14
14
16
15
15
15
15
18
18
14
17
17
17
17
Swell 1
Height (m)
Direction
Period (s)
0.9
NE
14
1
NE
13
1.1
NE
13
1
NE
13
1
NE
13
0.9
NE
16
1
NE
15
1.4
NE
15
1.4
NE
14
1.4
NE
14
1.3
NE
14
1.3
NE
14
1.3
NE
13
1.1
NE
13
1.2
NE
13
1.1
NE
13
1.1
NE
13
0.9
NE
12
0.9
NE
12
0.8
NE
12
0.8
NE
12
1
SW
6
1.1
SW
7
0.9
WSW
6
Energy kJ
327
342
380
326
311
411
447
773
821
731
630
586
560
437
480
374
369
252
240
200
169
78
100
71
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
8
0.4
SW
8
0.4
SW
7
0.6
NE
16
0.6
NE
16
0.9
NE
12
0.9
NE
12
0.1
SW
7
0.1
SE
13
0.1
SE
13
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
SW
7
1.1
ESE
7
1
ESE
7
0.9
ESE
7
0.7
ESE
7
0.6
ESE
7
0.5
E
7
0.5
E
7
0.9
W
7
0.6
NE
12
0.8
NNE
6
Energy kJ
17
22
14
206
211
202
205
2
7
7
2
2
2
2
118
99
68
48
37
26
26
74
108
51
Swell 3
Height (m)
Direction
Period (s)
0.3
S
7
0.2
S
6
0.1
SE
14
0.3
SW
7
0.3
SW
7
0.3
SW
7
0.1
SW
7
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.2
NNW
6
0.5
NNW
6
0.5
N
5
0.6
NE
12
0.6
E
8
0.6
E
8
Energy kJ
8
3
7
8
8
7
2
7
7
7
7
6
6
6
6
6
6
6
4
18
15
112
43
42
Wind waves
Height (m)
Direction
Period (s)
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.4
ENE
8
2.1
E
8
2
E
7
2
E
7
1.9
E
7
1.9
E
7
1.8
E
7
1.8
E
7
1.9
ESE
7
2
ESE
7
1.4
SSW
6
1.6
SW
6
1.6
SW
6
1.6
SW
6
1.6
SW
6
1.6
SW
6
1.5
WSW
7
1.2
W
7
0.8
NNE
6
Energy kJ
821
860
784
693
644
496
434
411
347
347
312
306
317
332
122
150
161
184
203
201
199
131
42
Nearest Offshore or Glassy
Rating
(10 max)
2
2
4
4
1
1
1
1
1
2
1
1
1
1
2
1
1
1
2
1
1
1
1
1
Distance (km)
495
738
738
546
191
191
204
204
204
248
191
204
204
204
495
227
233
196
0
204
152
0
0
0
Best forecast wave conditions in Izu Islands
Rating
(10 max)
1
1
1
2
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
4
4
4
4
4
4
4
1
1
4
1
1
3
3
2
2
1
1
2
2
2
1
1
1
Header Global
Rating
(10 max)
5
5
5
5
5
5
6
8
7
7
6
6
5
8
9
9
8
7
6
6
6
6
5
5
  • 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

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