Santos (Hachijojima Island) surfForecast / Izu Islands / Japan

information circle12 Day Weather and Surf, issued 2 pm Monday 02 Mar 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
19.1° C
(Which is slightly warmer than usual)

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 Thursday (Mar 05) at 12PM. The primary swell is predicted to be 2.5m and 12s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Santos (Hachijojima Island) in the next 12 days are 3.5m 13s and forecast to arrive on Friday (Mar 06) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 9s period and expected on Thursday (Mar 05) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Thu 5th Mar)8ft (2.5m) 12s
Best Surf12PM (Thu 5th Mar)8ft (2.5m) 12s
Most Powerful 9AM (Fri 6th Mar)11ft (3.5m) 13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 23mm), heaviest during Tue afternoon. Very mild (max 19°C on Tue night, min 11°C on Wed morning). Winds decreasing (near gales from the SE on Tue afternoon, calm by Thu morning).

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Fri night. Very mild (max 16°C on Fri night, min 10°C on Sat night). Winds increasing (calm on Thu afternoon, gales from the W by Fri night).

Mon
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
3
0
0
0
4
0
2
0
3
4
2
2
2
0
0
1
0
0
0
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.4
NE
1.8
NE
2
NE
2
NE
3.5
SSE
2.2
NE
2.1
NE
3
NE
2.5
NE
3
NE
3
NE
3.5
NE
3.5
NE
3
NE
2.1
NE
1.9
NE
1.5
NE
1.5
NE
1.7
NE
1.3
NE
1
ENE
Period(s) (?)14141313914141313121313131212121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)791121513871387176918751608267722902306284637593318237312551025646635864520294
Wind
(km/h)
5
W
30
SSE
45
SSE
50
SE
25
SW
50
NNW
30
NW
55
WNW
20
NNW
10
SW
15
SSE
20
E
20
ESE
45
SSE
55
W
55
WNW
60
WNW
55
WNW
55
WNW
30
WNW
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
cross-
on
oncross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
on
cross-
on
oncross-
on
cross-
off
offoffoffoffoffglass
High Tide
/ height (m)
4:28PM
1.32
5:51AM
1.25
5:13PM
1.40
6:12AM
1.32
5:54PM
1.44
6:31AM
1.37
6:32PM
1.43
6:48AM
1.40
7:09PM
1.38
7:03AM
1.41
7:45PM
1.30
7:17AM
1.39
8:23PM
1.20
7:32AM
1.34
Low Tide
/ height (m)
11:16PM
-0.04
11:19AM
0.50
11:49PM
0.07
11:52AM
0.43
12:18AM
0.20
12:24PM
0.38
12:43AM
0.35
12:54PM
0.34
1:03AM
0.49
1:24PM
0.33
1:22AM
0.61
1:55PM
0.32
1:40AM
0.70
Mon
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Sunrise--6:07--6:05--6:05--6:03--6:01--6:01--6:00
Sunset5:37--5:37--5:38--5:39--5:39--5:40--5:42--
light rain
light rain
light rain
mod rain
rain showers
cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
mod rain
part cloud
part cloud
clear
clear
clear
part cloud
cloud
Rain (mm)
52295--------7-------
Temp. °C161716161912131212131414141614131210111213
Feels °C (?)16127616461710999421-2-301011
  • 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)
Map placeholder

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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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