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

information circle48hr Weather and Surf, issued 2 am 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
22.1° 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 7AM is: 3.0m 8s primary swell from a East-northeast direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 02:00am April 25). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (25 Apr)8ft (2.5m)8s
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 53mm), heaviest during Sun night. Warm (max 20°C on Sun night, min 16°C on Sat morning). Winds decreasing (strong winds from the WSW on Sun night, calm by Mon night).

Saturday
25
Sunday
26
Monday
27
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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>
Wave
Height (m)
Direction
Period (s)
2.5
NE
8
2.5
ENE
7
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.3
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
1.1
NE
13
1.1
NE
13
1.2
NE
13
1.1
NE
13
1.1
NE
13
0.9
NE
12
0.8
NE
12
1.3
NNE
7
Wave Graph
Metric surfscale
Energy kJ
769
730
937
789
786
801
744
711
561
531
447
773
821
731
630
586
444
437
480
374
369
252
172
154
Wind (km/h)
45
ENE
45
ENE
50
ENE
45
ENE
45
ENE
40
ENE
40
ENE
40
E
35
E
30
E
30
E
30
E
30
E
35
ESE
30
ESE
35
ESE
25
SSE
40
SSW
45
WSW
40
SW
45
WSW
40
W
40
N
15
N
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
on
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:27AM1.05m
10:05AM1.10m
2:45AM1.12m
12:52PM1.10m
3:04AM1.21m
2:30PM1.20m
Low Tide
5:38AM1.03m
6:41PM0.38m
7:51AM0.92m
7:52PM0.45m
8:48AM0.77m
8:45PM0.52m
light rain
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
heavy rain
mod rain
heavy rain
thunderstorm
rain showers
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:17
6:19
2
2
1
24
9
12
4
1
Temp °C
18
18
16
16
16
17
17
16
16
17
17
17
17
18
17
18
19
20
19
20
20
19
17
18
9
9
6
7
7
8
8
8
9
11
11
11
11
13
13
13
17
15
13
15
14
13
10
16
Swell 1
Height (m)
Direction
Period (s)
0.9
SW
8
0.7
SW
9
0.8
SW
8
0.9
NE
14
0.9
NE
14
1
NE
13
1.1
NE
13
1
NE
13
1.1
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
1.1
NE
13
2
ESE
7
1.3
ESE
7
1.1
NE
13
1.1
NE
13
1.5
SW
7
1.3
SW
7
1.3
NNE
7
Energy kJ
105
75
80
297
327
342
380
326
405
411
447
773
821
731
630
586
444
372
149
374
369
195
147
154
Swell 2
Height (m)
Direction
Period (s)
0.7
S
7
0.6
S
8
0.1
SE
12
0.6
SW
8
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
0.7
NE
8
0.1
SW
7
0.1
SW
7
1.1
NE
13
1.2
NE
13
1
ESE
7
0.9
ESE
7
0.9
NE
12
0.8
NE
12
1.2
SW
7
Energy kJ
53
41
5
53
24
22
14
206
211
202
236
2
7
7
63
2
2
437
480
91
66
252
172
128
Swell 3
Height (m)
Direction
Period (s)
0.5
NE
15
0.6
NE
15
0.1
SE
14
0.2
ESE
11
0.3
S
7
0.2
S
6
0.1
SE
14
0.3
SW
7
0.3
SW
7
0.2
SSW
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
0.5
SSE
6
0.1
SE
12
0.1
SE
12
0.8
NNE
6
0.6
ESE
7
0.7
NE
12
Energy kJ
116
183
8
12
8
3
7
8
8
5
2
7
7
7
7
6
6
6
22
6
6
42
38
144
Wind waves
Height (m)
Direction
Period (s)
2.5
NE
8
2.5
ENE
7
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.3
ENE
8
2.1
E
8
2
E
7
2
E
7
1.9
E
7
1.9
E
7
1.7
ESE
7
1.9
E
7
2
ESE
7
1.8
SW
6
2
SW
7
1.6
SW
7
1.7
SW
7
1.3
NNE
6
Energy kJ
769
730
937
789
786
801
744
711
561
531
434
411
347
338
277
345
350
216
337
208
261
130
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
2
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
1
1
1
1
Distance (km)
218
495
494
480
204
191
191
191
191
204
204
204
218
248
248
218
218
218
152
494
233
227
208
191
Best forecast wave conditions in Izu Islands
Rating
(10 max)
1
1
1
1
2
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
3
3
2
1
1
4
4
3
3
1
1
4
3
2
3
4
2
2
1
1
1
1
Header Global
Rating
(10 max)
5
4
5
5
5
5
5
5
4
4
5
7
7
4
6
6
5
4
9
9
8
7
6
6
  • 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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