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Surf Forecasts:

Santos (Hachijojima Island) surfForecast / Izu Islands / Japan

information circle12 Day Weather and Surf, issued 8 pm Friday 06 Feb 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
20.5° C
 (Which is 1.9°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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Feb 08) at 12AM. The primary swell is predicted to be 2.5m and 10s period with a secondary swell of 0.4m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Santos (Hachijojima Island) in the next 12 days are 3.0m 10s and forecast to arrive on Saturday (Feb 07) at 9PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 10s period and expected on Sunday (Feb 08) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sun 8th Feb)8ft (2.5m) 10s
Best Surf12AM (Sun 8th Feb)8ft (2.5m) 10s
Most Powerful 9PM (Sat 7th Feb)10ft (3.0m) 10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 9mm), mostly falling on Sat morning. Very mild (max 15°C on Fri night, min 4°C on Sun night). Mainly gales.

Days 3-6 Weather Summary Heavy rain (total 38mm), heaviest during Wed afternoon. Very mild (max 18°C on Wed morning, min 9°C on Mon night). Winds decreasing (near gales from the SW on Wed morning, light winds from the NNE by Thu afternoon).

Saturday
07
Sunday
08
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Fri
13
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
NE
0.6
NE
1.7
NNE
2.5
NE
1.3
NE
0.7
NE
1.2
NNE
2.1
NE
1.3
NNE
0.8
NNE
0.6
NNE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.4
NE
2.2
NE
2.2
NE
1.3
NE
1.1
NE
Period(s) (?)1211910911999981011131212118988
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1109941113242941102027502709446232943373432530720200169
Wind
(km/h)
30
WNW
45
NW
45
NW
25
W
65
W
65
W
60
NW
60
WNW
50
NW
30
WNW
25
WSW
35
WSW
50
SW
50
SW
55
SW
20
NNW
30
N
25
NE
25
WNW
35
WSW
40
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		offoffoffoffoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crossoffcross-
off		off
High Tide
/ height (m)
8:21AM
1.34
8:41PM
1.19
8:38AM
1.33
9:30PM
1.05
8:58AM
1.28
10:42PM
0.92
9:19AM
1.20
9:47AM
1.11
5:53AM 10:58AM
0.99 1.01
5:01AM
1.04
1:56PM
1.00
Low Tide
/ height (m)
2:07AM
0.47
2:36PM
0.51
2:26AM
0.61
3:20PM
0.50
2:42AM
0.72
4:16PM
0.49
2:50AM
0.81
5:40PM
0.45
7:32PM
0.36
7:21AM
0.98
8:51PM
0.23
9:34AM
0.90
Saturday
07
Sunday
08
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Fri
13
Sunrise-6:31--6:31--6:30--6:28--6:28--6:26--6:26-
Sunset--5:16--5:17--5:19--5:20--5:21--5:22--5:22
cloud
light rain
rain showers
rain showers
light rain
cloud
light rain
cloud
cloud
part cloud
part cloud
cloud
light rain
cloud
heavy rain
heavy rain
rain showers
rain showers
rain showers
clear
clear
Rain (mm)
-3121-2-----2-1515421--
Temp. °C1510111297779101314161817121212121414
Feels °C (?)8031-5-8-8-7-1166587766966
  • 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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View detailed surf forecast for Santos (Hachijojima Island) at:
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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 12 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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