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Surf Forecasts:

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

information circle12 Day Weather and Surf, issued 2 pm Monday 16 Feb 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
19.5° C
 (Which is 1.0°C warmer than normal for this time of year)

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

The surf forecast for Kaiser's (Hachijojima Island) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Feb 19) at 3PM. The primary swell is predicted to be 0.6m and 12s period with a secondary swell of 1.0m and 7s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 12 days are 3.5m 9s and forecast to arrive on Tuesday (Feb 17) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Thursday (Feb 19) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Thu 19th Feb)2ft (0.6m) 12s
Best Surf 3PM (Thu 19th Feb)2ft (0.6m) 12s
Most Powerful 3PM (Tue 17th Feb)11ft (3.5m) 9s

Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 12 days.

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

Short Range Forecast Light rain (total 9mm), mostly falling on Tue morning. Very mild (max 15°C on Mon afternoon, min 7°C on Wed night). Winds increasing (light winds from the NNE on Tue night, near gales from the WNW by Wed night).

Days 3-6 Weather Summary Heavy rain (total 28mm), heaviest during Fri night. Very mild (max 14°C on Sat afternoon, min 10°C on Thu afternoon). Winds increasing (calm on Thu night, strong winds from the N by Sat morning).

Mon
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
1
1
0
0
2
0
2
2
0
0
0
1
1
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
E
0.8
E
2.5
NE
3.5
NE
2
NE
1.4
E
1.2
E
0.5
E
0.7
E
0.6
E
1.2
NE
0.5
ENE
0.7
ENE
0.7
ENE
0.7
ENE
0.6
ENE
1.5
NNE
1.4
NE
0.9
ENE
1.1
NE
1.2
ENE
Period(s) (?)1212898891212127151414131388989
Wave
Graph
(?)Metric surfscale
Energy kJ (?)180169952210547727722071141104156135218198170127294248119147208
Wind
(km/h)
35
NW
40
NW
45
ENE
40
ENE
15
NE
25
N
35
WNW
55
WNW
35
WNW
15
WNW
15
E
5
NNW
20
WNW
15
SSE
35
N
40
NNW
30
N
20
N
15
N
5
NE
0
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
on		cross-
on		cross-
on		cross-
off		offoffoffoffonglassoffcross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glassglass
High Tide
/ height (m)
4:28PM
1.30
6:07AM
1.24
5:05PM
1.38
6:26AM
1.28
5:42PM
1.44
6:47AM
1.32
6:21PM
1.44
7:09AM
1.34
7:04PM
1.39
7:31AM
1.33
7:51PM
1.28
7:53AM
1.30
8:44PM
1.13
8:15AM
1.25
Low Tide
/ height (m)
11:25PM
-0.09
11:22AM
0.56
11:54PM
-0.06
11:51AM
0.48
12:23AM
0.01
12:25PM
0.41
12:51AM
0.12
1:01PM
0.34
1:21AM
0.25
1:40PM
0.27
1:49AM
0.40
2:24PM
0.22
2:16AM
0.55
Mon
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise--6:22--6:22--6:20--6:20--6:18--6:16--6:16
Sunset5:24--5:25--5:27--5:28--5:29--5:30--5:30--
part cloud
cloud
light rain
light rain
rain showers
light rain
clear
part cloud
part cloud
rain showers
part cloud
cloud
cloud
heavy rain
light rain
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
--4122---1---243------
Temp. °C15151212141313129111313121313141413131314
Feels °C (?)7735108513711117104669101113
  • Map Icons:
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  • 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 12 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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