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Surf Forecasts:

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

information circle12 Day Weather and Surf, issued 2 pm Tuesday 13 Jan 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
20.9° C
 (Which is 1.5°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 Monday (Jan 19) at 12AM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.5m and 12s. 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 3.0m 10s and forecast to arrive on Tuesday (Jan 20) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Wednesday (Jan 14) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 19th Jan)4ft (1.2m) 7s
Best Surf 3PM (Tue 20th Jan)3.5ft (1.1m) 12s
Most Powerful 9PM (Tue 20th Jan)10ft (3.0m) 10s

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 Moderate rain (total 12mm), heaviest on Thu night. Very mild (max 17°C on Tue afternoon, min 9°C on Wed morning). Winds decreasing (near gales from the WSW on Tue afternoon, fresh winds from the WNW by Thu morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 16°C on Mon morning, min 13°C on Fri night). Winds decreasing (strong winds from the WNW on Fri afternoon, light winds from the WNW by Sun night).

Tue
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.5
NE
0.6
NE
0.5
NE
0.5
NE
0.5
NE
0.4
NE
1.2
NE
1.3
NE
1.3
NE
1.2
NE
1.1
NE
Period(s) (?)1414131313121212131313121211111178131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)100674545615438394161829369615940156200618473335
Wind
(km/h)
60
WSW
55
WNW
55
WNW
60
WNW
50
WNW
30
WNW
35
WSW
50
WSW
40
WNW
50
WNW
40
NW
40
NW
40
NW
30
NW
20
NNW
20
NW
15
WNW
25
WSW
35
WSW
45
SW
40
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffoffoffoffcross-
off		cross-
off		offoffoffcross-
off		offoffcross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		off
High Tide
/ height (m)
4:15AM
1.04
12:57PM
1.20
4:57AM
1.11
2:13PM
1.18
5:27AM
1.16
3:11PM
1.20
5:54AM
1.19
3:57PM
1.25
6:19AM
1.22
4:36PM
1.31
6:43AM
1.24
5:12PM
1.37
7:07AM
1.27
Low Tide
/ height (m)
8:20PM
0.41
7:18AM
1.00
9:16PM
0.25
9:11AM
0.97
10:01PM
0.11
10:07AM
0.90
10:40PM
-0.00
10:44AM
0.83
11:15PM
-0.08
11:13AM
0.77
11:47PM
-0.11
11:41AM
0.72
12:17AM
-0.10
Tue
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise--6:43--6:43--6:43--6:43--6:43--6:43--6:41
Sunset4:52--4:53--4:54--4:55--4:57--4:58--4:59--
thunderstorm
clear
clear
clear
clear
clear
part cloud
rain showers
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
part cloud
Rain (mm)
5------7-----------4-
Temp. °C171510101113171715141414141414141416171813
Feels °C (?)54-2-30587735457991099104
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kaiser's (Hachijojima Island) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Kaiser's (Hachijojima Island) at:
surf-forecast.com

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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