Santos (Hachijojima Island) surfForecast / Izu Islands / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 13 Jan 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
21.0° C
(Which is 1.6°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 11AM is: 0.5m 14s primary swell from a Northeast direction and 0.1m 11s secondary swell from a East direction (forecast issued at 08:00am January 13). An open ocean swell of 3.0m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Jan)1.5ft (0.5m)14s
Afternoon (13 Jan)2ft (0.6m)14s
Evening (13 Jan)1.5ft (0.5m)14s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
13
Wednesday
14
Thursday
15
Fri
16
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
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
Swell
Height Map
Wave Height (m) & direction (?)
0.5
NE
0.5
NE
0.5
NE
0.6
NE
0.6
NE
0.5
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
Period(s) (?)151414141414141413131313131313131312121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10910210012812797676463454545626161585654533939383939
Wind
(km/h)
50
SW
55
WSW
55
WSW
60
WSW
60
W
55
WNW
55
WNW
55
WNW
60
WNW
55
WNW
60
WNW
60
WNW
60
WNW
55
WNW
50
WNW
45
WNW
40
WNW
35
WNW
30
W
35
WSW
35
WSW
45
WSW
50
WSW
50
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffoffoffoffoffoffoffoffoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
11:46AM
1.25
4:15AM
1.04
12:57PM
1.20
4:57AM
1.11
2:13PM
1.18
Low Tide
/ height (m)
5:16AM
0.95
8:20PM
0.41
7:18AM
1.00
9:16PM
0.25
9:11AM
0.97
10:01PM
0.11
Tuesday
13
Wednesday
14
Thursday
15
Fri
16
Sunrise-6:43-------6:43-------6:43------
Sunset---4:52-------4:53-------4:54----
rain showers
light rain
light rain
thunderstorm
rain showers
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
rain showers
Rain (mm)
11212------------------4
Temp. °C161617171615131111101010101011101112131516171716
Feels °C (?)6465441-1-3-2-4-4-4-3-1024678766
  • 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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