Santos (Hachijojima Island) surfForecast / Izu Islands / Japan

information circle48hr Weather and Surf, issued 8 pm Thursday 28 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
23.5° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Santos (Hachijojima Island) today (29 May):

  • Morning surf: Morning surf (29 May, local time) - 2.5ft (0.8m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (29 May, local time) - 2.5ft (0.8m), 10s period with E swell.
  • Evening surf: Evening surf (29 May, local time) - 3ft (0.9m), 10s period with E swell.

The current surf forecast for Santos (Hachijojima Island) at 4AM is: 0.9m 10s primary swell from a East direction and 0.5m 12s secondary swell from a Northeast direction (forecast issued at 08:00pm May 28). An open ocean swell of 2.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (29 May)2.5ft (0.8m)10s
Afternoon (29 May)2.5ft (0.8m)10s
Evening (29 May)3ft (0.9m)10s

Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 24°C on Fri morning, min 22°C on Fri night). Winds decreasing (strong winds from the SW on Thu night, calm by Sat night).

Thu
28
Friday
29
Saturday
30
Sunday
31
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
2
2
2
1
2
1
1
1
2
2
2
3
3
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
E
9
0.9
E
10
0.9
E
10
0.9
E
10
0.9
E
10
0.8
E
10
0.8
E
10
0.8
E
10
0.8
E
10
0.9
E
10
0.8
E
11
0.8
E
11
0.9
E
11
0.9
E
11
0.9
E
11
0.9
E
11
0.9
E
10
0.9
E
10
0.9
E
10
1
E
10
0.7
S
13
0.9
E
10
0.9
S
12
1.1
S
12
Wave Graph
Metric surfscale
Energy kJ
119
154
148
145
151
115
117
115
115
148
143
149
188
184
184
181
177
174
171
208
173
161
228
327
Wind (km/h)
40
SW
40
SW
40
SW
40
SW
35
WSW
35
WSW
30
WSW
30
W
30
W
25
W
25
W
25
W
20
W
10
WSW
15
WSW
15
N
10
NNW
5
NW
5
W
10
W
5
SW
5
WSW
10
SW
10
SW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
glassy
glassy
cross-off
cross-off
High Tide
4:24PM1.31m
3:08AM1.51m
5:10PM1.35m
3:37AM1.51m
5:50PM1.37m
4:05AM1.49m
Low Tide
9:20PM0.94m
10:18AM0.30m
10:02PM0.96m
10:51AM0.20m
10:41PM0.97m
11:22AM0.14m
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:33
4:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:40
6:42
6:42
6:43
Temp °C
23
23
23
23
23
23
24
23
24
24
23
22
22
22
23
23
23
23
22
22
22
22
23
23
20
20
20
21
21
21
23
20
22
22
21
19
20
22
24
23
24
24
23
23
24
24
24
23
Swell 1
Height (m)
Direction
Period (s)
0.9
E
9
0.9
E
10
0.9
E
10
0.9
E
10
0.9
E
10
0.8
E
10
0.8
E
10
0.8
E
10
0.8
E
10
0.9
E
10
0.8
E
11
0.8
E
11
0.9
E
11
1.1
SW
7
0.9
E
11
0.9
E
11
0.9
E
10
0.9
E
10
0.9
E
10
1
E
10
0.9
E
10
0.9
E
10
1
E
10
1.1
S
12
Energy kJ
119
154
148
145
151
115
117
115
115
148
143
149
188
118
184
181
177
174
171
208
164
161
196
327
Swell 2
Height (m)
Direction
Period (s)
0.6
ENE
10
0.6
ENE
10
0.5
NE
11
0.5
NE
12
0.5
NE
12
0.5
NE
12
0.5
NE
12
0.5
NE
12
0.6
NW
5
0.8
NW
6
0.7
S
6
0.7
S
6
0.6
S
6
0.9
E
11
0.9
SW
7
0.8
WSW
7
0.7
WSW
7
0.7
WSW
7
0.6
WSW
7
0.5
WSW
7
0.7
S
13
0.7
S
12
0.9
S
12
0.9
E
10
Energy kJ
68
60
60
66
67
68
68
68
23
43
36
36
27
184
71
61
42
42
31
26
173
146
228
161
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
13
0.2
ESE
12
0.2
ESE
12
0.2
ESE
13
0.2
ESE
13
0.2
ESE
12
0.2
ESE
13
0.2
ESE
13
0.5
NE
12
0.7
S
6
0.5
NE
11
0.4
NE
11
0.4
NE
11
0.4
NE
11
0.7
WNW
6
0.6
SSE
6
0.5
S
6
0.5
S
6
0.4
SSE
6
0.4
SSE
6
0.4
WSW
6
0.5
S
15
0.6
SSW
15
0.7
SSW
14
Energy kJ
16
15
15
16
16
15
16
16
68
39
63
43
43
43
33
27
17
17
10
10
17
121
169
215
Wind waves
Height (m)
Direction
Period (s)
2.3
SW
7
2.4
SW
8
2.4
SW
8
2.3
SW
7
2.1
SW
7
2
SW
7
1.8
SW
7
1.7
SW
7
1.5
SW
7
1.2
SW
7
1.4
W
7
1.4
W
7
1.4
W
7
0.9
WNW
6
1.2
SW
7
0.6
WNW
6
Energy kJ
529
637
640
552
472
400
346
295
218
156
187
181
176
62
131
25
Nearest Offshore or Glassy
Rating
(10 max)
2
1
2
2
1
1
1
2
1
1
1
2
2
2
1
2
1
1
1
2
2
2
3
3
Distance (km)
196
237
249
249
196
196
196
191
237
0
249
0
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Izu Islands
Rating
(10 max)
2
1
2
2
2
1
2
1
1
1
2
2
2
3
3
Best forecast wave conditions in Japan
Rating
(10 max)
3
2
2
2
3
3
3
2
1
1
1
2
2
2
1
2
1
1
1
2
2
3
3
3
Header Global
Rating
(10 max)
8
9
7
7
7
7
5
5
5
5
5
4
5
5
5
5
5
5
6
8
7
7
7
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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