Santos (Hachijojima Island) surfForecast / Izu Islands / Japan

information circle16 Day Weather and Surf, issued 2 am Wednesday 27 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Santos (Hachijojima Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Santos (Hachijojima Island) sea temperature is
23.6° C
(Which is 1.4°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Santos (Hachijojima Island) this week:

The surf forecast for Santos (Hachijojima Island) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (May 27) at 3PM. The primary swell is predicted to be 1.5m and 9s period with a secondary swell of 0.2m and 14s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Santos (Hachijojima Island) in the next 16 days are 3.0m 16s and forecast to arrive on Tuesday (Jun 02) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 16s period and expected on Wednesday (Jun 03) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Wed 27th May)5ft (1.5m) 9s
Best Surf12AM (Mon 1st Jun)5.5ft (1.7m) 13s
Most Powerful 3AM (Tue 2nd Jun)10ft (3.0m) 16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 32mm), heaviest during Wed night. Warm (max 24°C on Fri afternoon, min 21°C on Wed night). Winds decreasing (strong winds from the S on Thu morning, light winds from the WSW by Fri night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 24°C on Sat afternoon, min 21°C on Mon night). Wind will be generally light.

Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
0
0
0
0
0
0
1
0
0
1
1
2
4
3
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
E
9
1.5
E
9
0.9
ENE
10
1.7
SSW
6
0.8
ESE
9
0.9
E
10
0.8
E
9
0.8
E
9
0.8
E
11
0.8
E
11
0.9
E
11
0.9
E
10
0.9
E
10
1.3
S
12
1.7
S
13
1.6
SSW
13
0.8
E
10
3
SSW
15
1.6
ESE
6
1.9
ESE
6
2.5
SE
7
Wave Graph
Metric surfscale
Energy kJ
372
356
163
194
99
148
110
113
149
149
181
172
167
505
1034
958
123
4111
155
249
662
Wind (km/h)
15
SSE
15
SW
30
SSE
45
S
35
SW
35
SW
35
WSW
30
W
25
W
10
ESE
15
SSE
5
SSE
10
ENE
5
NE
10
SW
10
E
15
SE
25
ESE
25
ESE
25
SE
30
SE
cross-on
cross-off
cross-on
cross
cross-off
cross-off
cross-off
cross-off
off
on
cross-on
glassy
cross-on
cross-on
cross-off
cross-on
on
on
on
on
cross-on
High Tide
3:30PM1.26m
2:39AM1.48m
4:24PM1.31m
3:08AM1.51m
5:10PM1.35m
3:37AM1.51m
5:50PM1.37m
4:05AM1.49m
6:27PM1.38m
4:35AM1.46m
7:02PM1.38m
5:06AM1.44m
7:37PM1.37m
Low Tide
9:01AM0.57m
8:33PM0.89m
9:42AM0.42m
9:20PM0.94m
10:18AM0.30m
10:02PM0.96m
10:51AM0.20m
10:41PM0.97m
11:22AM0.14m
11:18PM0.97m
11:54AM0.11m
11:52PM0.96m
12:27PM0.11m
00:26AM0.96m
cloud
cloud
heavy rain
mod rain
cloud
cloud
light rain
clear
clear
clear
part cloud
part cloud
part cloud
cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:33
4:33
4:33
4:33
4:33
4:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:39
6:40
6:42
6:42
6:43
6:43
6:44
24
6
2
1
Temp °C
23
23
23
23
23
23
23
24
23
23
24
23
23
24
23
22
22
21
21
21
22
24
24
20
19
21
21
21
22
20
22
23
25
26
27
25
25
23
20
19
18
20
Swell 1
Height (m)
Direction
Period (s)
1.5
E
9
1.5
E
9
0.9
ENE
10
0.8
E
8
0.8
ESE
9
0.9
E
10
0.8
E
9
0.8
E
9
0.8
E
11
1
WSW
7
0.9
WSW
7
0.9
E
10
0.9
E
10
1.3
S
12
1.7
S
13
1.6
SSW
13
2.1
SSW
15
3
SSW
15
2.5
SSW
15
2.5
SW
15
2.5
SW
15
Energy kJ
372
356
163
92
99
148
110
113
149
111
79
172
161
505
1034
958
1875
4111
3371
2822
2717
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
14
0.2
ESE
14
0.2
ESE
13
0.7
ENE
10
0.7
ENE
10
0.5
NE
11
0.5
NE
12
0.7
SSE
6
0.6
SSE
6
0.8
E
11
0.9
E
11
0.6
S
6
0.7
S
12
1
E
10
0.8
E
10
1
SSW
17
0.8
E
10
0.7
E
10
Energy kJ
19
19
18
88
86
64
68
40
29
149
181
23
144
198
125
580
123
88
Swell 3
Height (m)
Direction
Period (s)
0.2
S
5
0.2
S
5
0.1
SE
10
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.5
NE
12
0.4
NE
11
0.8
WNW
7
0.6
NE
5
0.6
WSW
7
0.6
SSW
15
0.4
WSW
7
0.3
SSW
18
0.8
E
10
0.8
SW
19
0.3
SE
11
Energy kJ
2
2
4
16
16
16
16
68
46
59
18
31
167
15
64
122
436
20
Wind waves
Height (m)
Direction
Period (s)
1.1
ESE
8
1.7
SSW
6
2.5
SW
7
2.3
SW
8
2.2
SW
7
1.8
WSW
7
1.6
WSW
7
0.7
SSE
6
0.3
NE
4
0.6
SE
4
0.9
ESE
4
1.6
ESE
6
1.9
ESE
6
2.5
SE
7
Energy kJ
160
194
658
598
515
344
252
39
3
10
25
155
249
662
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
2
3
2
3
1
1
1
1
1
1
1
4
2
3
4
4
4
2
Distance (km)
204
0
196
227
152
249
208
237
249
191
191
0
191
191
0
191
191
191
191
191
196
Best forecast wave conditions in Izu Islands
Rating
(10 max)
2
3
1
1
1
1
1
4
2
3
4
4
4
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
3
2
3
3
1
2
1
1
2
1
4
4
3
5
4
4
2
Header Global
Rating
(10 max)
6
7
9
6
9
9
6
5
5
5
5
4
7
7
6
4
4
5
4
4
9
  • 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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Information about the Santos (Hachijojima Island) Surf forecast

The above surf forecast table for Santos (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 Santos (Hachijojima Island) can be found by selecting the local surf guide option on the grey menu. Our Santos (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 (Santos (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 Santos (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.

Santos (Hachijojima Island) is 192 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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