Santos (Hachijojima Island) surfForecast / Izu Islands / Japan

information circle48hr Weather and Surf, issued 2 am Friday 15 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 2.2°C warmer than normal for this time of year)

How big are the waves at Santos (Hachijojima Island) today?

The current surf forecast for Santos (Hachijojima Island) at 7AM is: 1.6m 9s primary swell from a East-northeast direction and 0.6m 9s secondary swell from a East-southeast direction, 0.4m 10s secondary swell from a Northeast direction (forecast issued at 02:00am May 15). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (15 May)5.5ft (1.7m)9s
Afternoon (15 May)6ft (1.8m)6s
Evening (15 May)6ft (1.9m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 17mm), heaviest on Fri morning. Warm (max 21°C on Sat morning, min 20°C on Fri morning). Winds decreasing (fresh winds from the NE on Fri morning, light winds from the NNE by Sun night).

Friday
15
Saturday
16
Sunday
17
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
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.4
E
9
1.5
E
9
1.6
ENE
9
1.7
ENE
9
1.8
ENE
6
1.8
ENE
6
1.9
ENE
6
1.9
ENE
6
1.7
ENE
7
1.5
ENE
7
1.4
ENE
7
1.6
E
7
1.5
ENE
6
1.4
ENE
7
1.3
ENE
8
1.8
E
7
1.6
E
8
1.5
E
8
1.5
ESE
9
1.8
E
9
1.8
E
9
1.8
E
9
1.7
E
9
1.6
E
9
Wave Graph
Metric surfscale
Energy kJ
318
375
391
445
204
238
284
292
268
204
180
226
181
170
230
343
294
258
352
505
493
481
430
381
Wind (km/h)
25
ENE
30
ENE
30
ENE
35
NE
35
ENE
35
ENE
35
ENE
35
ENE
30
E
30
ENE
30
ENE
30
ENE
30
ENE
30
NE
30
NE
25
ENE
20
NE
20
NNE
20
NNE
20
NNE
15
NE
10
NNE
10
NNE
10
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
High Tide
3:26AM1.43m
4:53PM1.44m
3:55AM1.46m
5:47PM1.49m
4:26AM1.48m
6:39PM1.49m
Low Tide
9:35PM0.68m
10:09AM0.12m
10:23PM0.74m
10:50AM-0.09m
11:07PM0.80m
11:32AM-0.23m
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:41
4:41
4:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:31
6:32
6:32
1
1
4
1
1
1
1
1
2
1
1
1
1
2
Temp °C
21
21
20
20
20
20
20
20
20
20
20
21
21
21
21
21
21
21
21
21
21
21
21
21
18
17
15
14
14
14
14
15
16
16
16
16
17
17
18
18
20
20
19
19
20
21
21
22
Swell 1
Height (m)
Direction
Period (s)
1.4
E
9
0.4
NE
10
0.6
ESE
9
0.6
ESE
10
0.6
ESE
9
0.6
ESE
9
0.4
ESE
10
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.7
SE
9
0.4
ESE
9
0.9
SE
7
1.1
ESE
7
1.2
ESE
8
0.4
ENE
8
0.8
NNE
8
1.5
E
8
1.5
ESE
9
0.4
ENE
9
1.8
E
9
1.8
E
9
1.7
E
9
1.6
E
9
Energy kJ
318
24
58
61
58
58
35
52
53
49
75
34
73
131
161
28
76
258
352
31
493
481
430
381
Swell 2
Height (m)
Direction
Period (s)
0.4
NE
10
0.3
SE
12
0.4
NE
10
0.3
SE
12
0.3
SE
11
0.3
SE
11
0.4
SE
11
0.3
SE
11
0.3
NE
9
0.4
NE
9
0.4
NE
9
0.4
SE
11
0.3
NE
9
0.4
NE
9
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.4
ENE
9
0.3
ENE
9
0.4
ENE
9
0.6
ENE
9
0.4
NE
9
0.4
NE
9
0.5
NE
10
Energy kJ
24
21
24
21
19
19
42
19
13
20
20
30
12
19
16
16
16
25
15
33
52
27
20
47
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.2
S
7
0.3
SE
12
0.3
NE
10
0.2
S
6
0.3
NE
9
0.3
NE
9
0.3
NE
9
0.3
SE
11
0.3
SE
11
0.4
SE
11
0.3
NE
9
0.3
ESE
10
0.3
SE
10
0.2
SSE
14
0.1
SE
14
0.2
ENE
8
0.1
S
15
0.1
S
15
Energy kJ
5
3
21
15
3
14
14
13
19
19
31
12
20
16
18
7
7
4
4
Wind waves
Height (m)
Direction
Period (s)
1.5
E
9
1.6
ENE
9
1.7
ENE
9
1.8
ENE
6
1.8
ENE
6
1.9
ENE
6
1.9
ENE
6
1.7
ENE
7
1.5
ENE
7
1.4
ENE
7
1.6
E
7
1.5
ENE
6
1.4
ENE
7
1.3
ENE
8
1.8
E
7
1.6
E
8
0.7
NE
8
0.9
NNE
9
1.8
E
9
Energy kJ
375
391
445
204
238
284
292
268
204
180
226
181
170
230
343
294
70
129
505
Nearest Offshore or Glassy
Rating
(10 max)
2
3
2
2
2
1
1
1
1
2
2
2
1
1
1
1
1
1
2
2
2
1
1
2
Distance (km)
204
204
204
204
204
191
191
191
196
204
204
204
191
204
191
191
191
152
152
152
152
196
196
152
Best forecast wave conditions in Izu Islands
Rating
(10 max)
1
1
1
1
1
1
1
1
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
3
2
2
2
1
1
3
2
2
2
2
1
2
1
2
1
1
2
2
2
1
1
2
Header Global
Rating
(10 max)
5
5
5
5
6
5
5
5
5
5
5
5
5
5
4
5
5
5
5
5
4
5
5
8
  • 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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