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Surf Forecasts:

Santos (Hachijojima Island) surfForecast / Izu Islands / Japan

information circle12 Day Weather and Surf, issued 8 am Thursday 12 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
20.3° C
 (Which is 1.7°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 Saturday (Feb 14) at 12PM. The primary swell is predicted to be 0.4m and 10s period. 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 3.5m 9s and forecast to arrive on Tuesday (Feb 17) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Thursday (Feb 12) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sat 14th Feb)1.5ft (0.4m) 10s
Best Surf12PM (Sat 14th Feb)1.5ft (0.4m) 10s
Most Powerful 6AM (Tue 17th Feb)11ft (3.5m) 9s

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 Mostly dry. Very mild (max 16°C on Sat night, min 11°C on Thu morning). Winds decreasing (strong winds from the WNW on Thu morning, light winds from the WSW by Sat afternoon).

Days 3-6 Weather Summary Heavy rain (total 30mm), heaviest during Tue morning. Very mild (max 18°C on Sun night, min 12°C on Mon afternoon). Winds increasing (light winds from the ENE on Mon afternoon, near gales from the E by Tue morning).

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
NE
0.8
NE
1.1
NE
0.8
NNE
0.4
NNE
0.3
SE
0.4
SE
0.4
SE
0.5
SE
0.6
SE
0.5
NE
0.7
ESE
0.7
ESE
0.7
E
3.5
NE
3.5
ENE
2.3
E
1.7
E
1.7
E
1.2
E
0.7
E
Period(s) (?)1177781010910101313121299889813
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3164126562214232149808717815013918851796658411421191156
Wind
(km/h)
45
WNW
45
WNW
30
WNW
30
W
30
W
40
WNW
20
NW
15
WNW
25
SW
30
SW
35
W
35
WSW
25
NW
25
NW
50
E
55
E
45
ENE
20
NE
30
NW
40
WNW
40
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffcross-
off		offcross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
on		cross-
on		cross-
on		crossoffoffoff
High Tide
/ height (m)
10:58AM
1.01
5:01AM
1.04
1:56PM
1.00
5:14AM
1.09
3:05PM
1.08
5:30AM
1.14
3:50PM
1.19
5:48AM
1.19
4:28PM
1.30
6:07AM
1.24
5:05PM
1.38
6:26AM
1.28
5:42PM
1.44
Low Tide
/ height (m)
8:51PM
0.23
9:34AM
0.90
9:42PM
0.10
10:06AM
0.80
10:22PM
-0.01
10:31AM
0.72
10:55PM
-0.07
10:55AM
0.64
11:25PM
-0.09
11:22AM
0.56
11:54PM
-0.06
11:51AM
0.48
12:23AM
0.01
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise6:26--6:26--6:26--6:24--6:24--6:22--6:22--
Sunset-5:22--5:22--5:22--5:23--5:24--5:25--5:27-
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
light rain
rain showers
rain showers
light rain
light rain
light rain
heavy rain
light rain
light rain
clear
clear
clear
Rain (mm)
---------1313341131---
Temp. °C111112131413121316161718151214131415131313
Feels °C (?)003574791010101210772610644
  • 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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