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Surf Forecasts:

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

information circle16 Day Weather and Surf, issued 2 pm Saturday 14 Mar 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
19.6° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Kaiser's (Hachijojima Island) this week:

The surf forecast for Kaiser's (Hachijojima Island) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 15) at 12PM. The primary swell is predicted to be 3.5m and 17s period with a secondary swell of 1.7m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 16 days are 3.5m 17s and forecast to arrive on Sunday (Mar 15) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 7s period and expected on Friday (Mar 20) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sun 15th Mar)11ft (3.5m) 17s
Best Surf12PM (Sun 15th Mar)11ft (3.5m) 17s
Most Powerful12PM (Sun 15th Mar)11ft (3.5m) 17s

Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 22mm), heaviest during Tue morning. Very mild (max 14°C on Mon afternoon, min 12°C on Sat night). Winds decreasing (near gales from the NE on Sat afternoon, calm by Sun night).

Days 3-6 Weather Summary Heavy rain (total 29mm), heaviest during Thu afternoon. Very mild (max 17°C on Wed afternoon, min 13°C on Thu afternoon). Winds decreasing (near gales from the SW on Wed night, calm by Fri morning).

Sat
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
4
8
6
5
2
0
0
0
0
3
2
2
3
2
3
3
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
5.5
ENE
2.2
ENE
2.5
ENE
3.5
ENE
3
ENE
3.5
ENE
3.5
ENE
3
ENE
3
ENE
2.5
ENE
2.3
ENE
2.2
ENE
2.2
ENE
2.3
ENE
2.2
ENE
2
ENE
1.7
ENE
1.4
ENE
1.3
ENE
1.1
ENE
1
ENE
Period(s) (?)111616171615141413131313141414141313121213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7515247930756290491961784852395531122380178317251796215219021470965669481377335
Wind
(km/h)
55
NE
40
NNE
20
N
10
NNW
5
WNW
15
ENE
20
E
25
E
35
ESE
30
ESE
30
ESE
10
SSW
30
W
35
SW
30
WNW
25
NNW
10
WNW
5
WSW
15
S
40
W
35
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		cross-
off		glasscross-
on		cross-
on		ononononcrosscross-
off		cross-
off		offcross-
off		offglasscrossoffoff
High Tide
/ height (m)
4:33AM
1.12
2:44PM
1.07
4:45AM
1.18
3:32PM
1.20
5:00AM
1.25
4:14PM
1.33
5:18AM
1.31
4:56PM
1.42
5:37AM
1.37
5:39PM
1.46
5:58AM
1.40
6:24PM
1.46
6:20AM
1.41
Low Tide
/ height (m)
9:03PM
0.21
9:42AM
0.79
9:45PM
0.14
10:03AM
0.68
10:19PM
0.10
10:29AM
0.56
10:51PM
0.11
10:59AM
0.43
11:23PM
0.16
11:31AM
0.29
11:54PM
0.24
12:07PM
0.16
12:25AM
0.36
Sat
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise--5:52--5:50--5:48--5:48--5:47--5:45--5:43
Sunset5:46--5:46--5:47--5:49--5:50--5:50--5:51--
cloud
part cloud
cloud
clear
rain showers
light rain
rain showers
mod rain
mod rain
rain showers
rain showers
clear
clear
light rain
light rain
heavy rain
rain showers
part cloud
rain showers
rain showers
part cloud
Rain (mm)
----13261032--25161-22-
Temp. °C131313131313141313141616171717141516191916
Feels °C (?)24810101010878121411101212121515148
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Kaiser's (Hachijojima Island) at:
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Information about the Kaiser's (Hachijojima Island) Surf forecast

The above surf forecast table for Kaiser's (Hachijojima Island) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kaiser's (Hachijojima Island) can be found by selecting the local surf guide option on the grey menu. Our Kaiser's (Hachijojima Island) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kaiser's (Hachijojima Island)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Kaiser's (Hachijojima Island) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Kaiser's (Hachijojima Island) is 191 km (119 miles) from Oshima. If you plan a holiday in Izu Islands, look for hotels and other accommodation in Oshima. Oshima has rooms for a wide range of budgets as well as car hire and transport links.

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