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Surf Forecasts:

Santos (Hachijojima Island) surfForecast / Izu Islands / Japan

information circle12 Day Weather and Surf, issued 8 pm Friday 05 Sep 2025 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
29.5° C
 (Which is 1.8°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 Monday (Sep 08) at 6AM. The primary swell is predicted to be 1.6m and 11s period with a secondary swell of 0.4m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Santos (Hachijojima Island) in the next 12 days are 1.7m 11s and forecast to arrive on Monday (Sep 08) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 9s period and expected on Saturday (Sep 06) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Mon 8th Sep)5ft (1.6m) 11s
Best Surf 6AM (Mon 8th Sep)5ft (1.6m) 11s
Most Powerful12AM (Mon 8th Sep)5.5ft (1.7m) 11s

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 3mm), mostly falling on Fri night. Warm (max 29°C on Fri night, min 27°C on Fri night). Winds decreasing (near gales from the WSW on Fri night, light winds from the SE by Sat night).

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Tue afternoon. Warm (max 28°C on Mon night, min 27°C on Tue night). Wind will be generally light.

Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Fri
12
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
1
1
2
2
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
ESE
0.4
ESE
1.3
NNE
1.4
NE
1.6
NE
1.5
NE
1.7
NE
1.6
NE
1.4
NE
1.3
ENE
1.2
ENE
1.1
NE
0.9
NE
0.8
NE
0.8
NE
0.7
NE
0.7
NE
0.6
NE
0.6
NE
0.6
NE
0.5
NE
Period(s) (?)101088910111111111111111010111111111010
Wave
Graph
(?)Metric surfscale
Energy (?)3745220283453464768664541452358273203167166176148958610789
Wind
(km/h)
40
W
25
ENE
25
ENE
10
ESE
10
S
15
S
20
SSW
15
SW
20
SW
20
SW
20
SSW
20
SSW
20
SSW
20
S
15
S
10
SSE
10
E
15
NE
20
ENE
20
NE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
on		cross-
on		oncross-
on		crosscrosscross-
off		cross-
off		cross-
off		crosscrosscrosscrosscross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross
High Tide
/ height (m)
3:31AM
1.50
5:19PM
1.55
4:15AM
1.62
5:40PM
1.61
5:00AM
1.70
6:03PM
1.66
5:46AM
1.72
6:26PM
1.68
6:35AM
1.68
6:49PM
1.68
7:27AM
1.58
7:11PM
1.66
8:25AM
1.44
Low Tide
/ height (m)
10:10PM
0.97
10:27AM
0.19
10:39PM
0.86
11:02AM
0.21
11:12PM
0.75
11:36AM
0.28
11:48PM
0.64
12:10PM
0.41
12:27AM
0.53
12:42PM
0.58
1:09AM
0.45
1:12PM
0.76
1:53AM
0.40
1:37PM
0.93
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Fri
12
Sunrise-5:16--5:18--5:18--5:18--5:20--5:20--5:20-
Sunset--6:00--5:59--5:57--5:55--5:54--5:52--5:52
thunderstorm
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
thunderstorm
part cloud
part cloud
part cloud
Rain (mm)
3----------352---3---
Temp. °C292727272728282828282828282828272727272727
Feels °C (?)282727282930303030313130303030293130272929
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Izu Islands

  1. weather stationWind Update The wind is still cross-off at Santos (Hachijojima Island) (light winds from the W at Hachijojima 8 km from Santos (Hachijojima Island)). A 0.6m swell from the E

    1 hour 9 minutes ago Santos (Hachijojima Island)
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1 h 9 min ago

15 km/h
W
Cross-Off
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Santos (Hachijojima Island) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Santos (Hachijojima Island) at:
surf-forecast.com

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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