Surf Forecast Surf Report

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

information circle12 Day Weather and Surf, issued 8 am Friday 25 Apr 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
20.3° C
(Which is 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 Friday (Apr 25) at 3PM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 0.7m and 8s. 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 2.1m 8s and forecast to arrive on Thursday (May 01) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Saturday (Apr 26) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Fri 25th Apr)3ft (0.9m) 12s
Best Surf 3PM (Fri 25th Apr)3ft (0.9m) 12s
Most Powerful 9PM (Thu 1st May)7ft (2.1m) 8s

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

Updates in  hr  min  s Forecast update imminent
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
NNE
0.9
NE
0.8
NNE
0.7
NE
1.3
NNE
1
NE
0.8
NE
0.6
NE
0.4
ESE
0.3
NE
0.3
E
0.8
SSE
0.3
NE
0.9
SE
1.3
ESE
1
ESE
1.1
ESE
1.4
ESE
1.8
ESE
2.1
ESE
2
ESE
1.6
ESE
1.5
ESE
1.4
ESE
1.3
ESE
0.8
NE
1.1
ESE
1
ESE
1
E
0.9
ESE
0.9
ESE
0.9
ESE
0.9
E
0.9
E
0.8
E
2
S
Period(s) (?)1212111188779138511777867888888108999109910106
Wave
Graph
(?)Metric surfscale
Energy (?)3972051661232041105537252712311979147104135131325507524344291238226134164177169144150147142158125298
Wind
(km/h)
20
WSW
25
W
35
WNW
30
NW
45
WNW
40
NW
25
WNW
25
WSW
30
SW
25
SSW
25
SW
35
WNW
15
N
20
WNW
15
W
10
S
5
SE
25
ESE
35
ESE
35
ESE
30
E
30
SE
20
S
25
S
30
S
30
SW
30
WSW
20
WNW
5
NW
15
SSW
5
SW
20
SW
35
S
40
SSE
55
SSE
45
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offoffoffoffoffoffcross-
off
cross-
off
crosscross-
off
offcross-
off
offcross-
off
crossononononononcross-
on
crosscrosscross-
off
cross-
off
offglasscrosscross-
off
cross-
off
crosscross-
on
cross-
on
cross-
off
High Tide
/ height (m)
3:37PM
1.34
4:01AM
1.41
4:35PM
1.45
4:26AM
1.46
5:30PM
1.51
4:50AM
1.49
6:23PM
1.52
5:15AM
1.50
7:16PM
1.46
5:40AM
1.49
8:08PM
1.37
6:06AM
1.46
9:02PM
1.25
6:36AM
1.42
10:03PM
1.14
7:11AM
1.34
11:25PM
1.08
7:58AM
1.25
1:36AM
1.09
9:27AM
1.15
2:15AM
1.15
12:03PM
1.12
2:37AM
1.24
Low Tide
/ height (m)
9:34AM
0.50
9:47PM
0.40
10:14AM
0.28
10:32PM
0.49
10:54AM
0.07
11:13PM
0.61
11:33AM
-0.09
11:50PM
0.74
12:14PM
-0.19
12:22AM
0.85
12:55PM
-0.20
12:50AM
0.94
1:39PM
-0.13
1:14AM
1.00
2:28PM
0.01
1:36AM
1.03
3:27PM
0.18
2:02AM
1.05
4:40PM
0.34
4:35AM
1.08
6:01PM
0.47
7:23AM
0.99
7:12PM
0.56
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Sunrise5:00--4:58--4:58--4:56--4:56--4:54--4:54--4:52--4:52--4:50--4:50--4:48--
Sunset-6:16--6:17--6:19--6:19--6:20--6:21--6:22--6:22--6:22--6:23--6:24--6:24-
cloudcloudpart cloudclearclearclearclearpart cloudcloudcloudmod rainrain showersclearclearcloudclearclearpart cloudcloudcloudlight rainthunderstorm part cloudrain showersclearclearclearrain showersclearclearclearclearcloudpart cloudheavy rainlight rain
Rain (mm)
----------61--------33-1---1------154
Temp. °C202019171818181919181618171719181818181818201920202020202020202120202122
Feels °C (?)1816141088121413131212141416151714121213181718171718182121221918151417

Short Range Forecast: Mostly dry. Warm (max 20°C on Fri morning, min 16°C on Sat morning). Winds increasing (moderate winds from the WSW on Fri morning, strong winds from the WNW by Sat afternoon).

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Mon afternoon. Very mild (max 19°C on Tue night, min 14°C on Mon afternoon). Winds decreasing (strong winds from the WNW on Mon night, light winds from the SE by Wed afternoon).

Days 6-9 Weather Summary Light rain (total 7mm), mostly falling on Thu night. Warm (max 20°C on Fri morning, min 17°C on Thu night). Mainly fresh winds.

Long Range Forecast: Heavy rain (total 20mm), heaviest during Tue afternoon. Warm (max 22°C on Tue night, min 18°C on Tue night). Winds increasing (calm on Sun afternoon, near gales from the S by Tue afternoon).

  • 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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