Surf Forecast Surf Report

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

information circle12 Day Weather and Surf, issued 8 pm Monday 31 Mar 2025 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 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Apr 01) at 3AM. The primary swell is predicted to be 2.5m and 9s period with a secondary swell of 0.3m and 6s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 12 days are 4.5m 10s and forecast to arrive on Wednesday (Apr 02) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 7s period and expected on Sunday (Apr 06) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Tue 1st Apr)8ft (2.5m) 9s
Best Surf12AM (Thu 3rd Apr)11ft (3.5m) 11s
Most Powerful 6AM (Wed 2nd Apr)15ft (4.5m) 10s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Sat
12
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.5
NE
2.5
ENE
2.3
ENE
3
ENE
3
E
4
ENE
3.5
NE
3
NE
2.3
NE
1.8
NE
1.5
NE
1.1
ENE
1.1
ENE
0.9
ENE
1.1
NE
0.8
NE
0.6
E
0.7
NE
0.5
ENE
0.7
ESE
0.6
ESE
0.8
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
1.5
S
3.5
SSW
0.8
ESE
Period(s) (?)999911111111111110131312121111111088888898899999689
Wave
Graph
(?)Metric surfscale
Energy (?)120212098841443231836132806195912467874604444242543031478611758513766941221191341011031061061111161241671756113
Wind
(km/h)
20
SSW
20
SSE
15
ENE
25
NE
40
N
35
N
20
N
5
NNE
20
WSW
25
WNW
30
WNW
25
NNW
10
NW
5
SSE
15
SSW
20
SSW
30
SSW
30
SW
35
W
25
NW
15
WNW
5
WSW
25
WSW
30
WSW
35
WSW
25
WNW
15
N
5
ESE
25
SW
30
SW
55
SSW
30
WSW
20
W
15
NNW
45
NE
35
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
glasscross-
off
offoffcross-
off
offglasscrosscrosscrosscross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
glasscross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
on
cross-
on
High Tide
/ height (m)
6:24AM
1.43
8:01PM
1.34
6:44AM
1.41
8:57PM
1.20
7:05AM
1.37
10:02PM
1.05
7:28AM
1.31
12:23AM
0.95
7:56AM
1.23
8:36AM
1.11
4:11AM
1.05
12:07PM
1.03
3:59AM
1.12
2:19PM
1.12
4:10AM
1.20
3:21PM
1.23
4:24AM
1.30
4:07PM
1.33
4:40AM
1.39
4:46PM
1.39
4:55AM
1.46
5:22PM
1.43
Low Tide
/ height (m)
12:46AM
0.58
1:12PM
-0.08
1:13AM
0.74
1:54PM
-0.07
1:32AM
0.85
2:41PM
-0.00
1:41AM
0.92
3:40PM
0.11
12:48AM
0.95
5:04PM
0.23
6:50PM
0.31
8:21AM
0.98
8:13PM
0.33
9:08AM
0.85
9:09PM
0.35
9:42AM
0.73
9:49PM
0.39
10:13AM
0.61
10:21PM
0.44
10:42AM
0.51
10:48PM
0.50
11:09AM
0.42
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Sat
12
Sunrise-5:28--5:28--5:26--5:24--5:24--5:22--5:22--5:20--5:18--5:18--5:16--5:15-
Sunset--6:00--6:00--6:00--6:01--6:02--6:02--6:04--6:05--6:05--6:06--6:07--6:07
part cloudcloudlight rainheavy rainrain showerscloudpart cloudpart cloudcloudpart cloudclearclearclearpart cloudclearcloudcloudpart cloudrain showersclearclearclearcloudcloudcloudclearclearpart cloudcloudcloudthunderstorm cloudcloudrain showerspart cloudcloud
Rain (mm)
--1192-------------1-----------4--3--
Temp. °C151615161515161717161515151516171718181616161718191918181819202019191717
Feels °C (?)111312108101315131191013131211111212101215121114151615141414161717911

Short Range Forecast: Heavy rain (total 22mm), heaviest during Tue night. Very mild (max 17°C on Thu morning, min 14°C on Tue night). Winds decreasing (strong winds from the N on Wed morning, calm by Thu morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Sun afternoon, min 14°C on Thu night). Winds increasing (calm on Fri night, fresh winds from the SW by Sun afternoon).

Days 6-9 Weather Summary Some drizzle, heaviest during Sun night. Very mild (max 19°C on Tue night, min 15°C on Mon morning). Winds decreasing (fresh winds from the WSW on Sun night, calm by Mon night).

Long Range Forecast: Light rain (total 7mm), mostly falling on Thu night. Warm (max 20°C on Thu night, min 17°C on Wed night). Winds increasing (calm on Wed night, near gales from the SW by Thu night).

  • 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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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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