Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 2 am 31 Oct 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
23.1°C
0.7° 

Osaki surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Osaki today (31 Oct):

  • Morning surf: Morning surf (31 Oct, local time) - 1.5ft (0.5m), 20s period with SE swell.
  • Afternoon surf: Afternoon surf (31 Oct, local time) - 3.5ft (1.0m), 18s period with SSE swell.
  • Evening surf: Evening surf (31 Oct, local time) - 3ft (0.9m), 16s period with SE swell.

The current surf forecast for Osaki at 7AM is: 0.4m 21s primary swell from a Southeast direction and 0.8m 8s secondary swell from a South-southeast direction (forecast issued at 02:00am October 31). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (31 Oct)1.5ft (0.5m)20s
Afternoon (31 Oct)3.5ft (1.0m)18s
Evening (31 Oct)3ft (0.9m)16s

Table - waves today at Osaki. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 11mm), heaviest on Mon afternoon. Warm (max 21°C on Sat morning, min 13°C on Mon afternoon). Wind will be generally light.

Saturday
31
Sunday
1
Monday
2
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
1
2
4
3
3
3
3
3
4
3
3
3
3
3
0
0
3
2
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSE
8
0.9
SSE
8
0.4
SE
21
0.5
SE
20
1
SSE
19
1
SSE
18
0.9
SSE
17
0.9
SE
16
0.8
SSE
20
1
SSE
18
1.4
SSE
17
0.8
SSE
19
1.3
SSE
15
1.6
SSE
16
1.6
SSE
16
1.7
SSE
15
1.7
SSE
15
1.5
SSE
14
1.4
SSE
14
1.3
SSE
13
1.2
SSE
13
1.1
SSE
13
1.1
SSE
13
1
SSE
13
Wave Graph
Metric surfscale
Energy kJ
103
87
110
186
742
659
493
432
465
616
1068
486
674
1278
1245
1358
1223
899
746
563
468
384
367
302
Wind (km/h)
15
WSW
15
SSW
10
NNW
15
NNE
25
N
15
NE
10
ENE
20
NNE
15
NNE
15
NE
10
ENE
15
ENE
10
ESE
10
E
5
NE
10
WSW
20
WSW
20
W
10
NW
10
NW
10
N
20
N
25
N
15
N
Wind State
cross-on
on
cross-off
off
off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
off
off
off
High Tide
9:16AM1.37m
6:59PM1.46m
10:19AM1.33m
7:42PM1.38m
11:28AM1.31m
8:42PM1.28m
Low Tide
1:51AM0.14m
1:52PM1.10m
2:38AM0.21m
2:47PM1.13m
3:33AM0.31m
4:11PM1.13m
rain showers
rain showers
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
part cloud
cloud
clear
clear
clear
clear
clear
cloud
cloud
light rain
mod rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
6:01
—
—
—
—
—
—
—
6:01
—
—
—
—
—
—
—
6:03
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
4:49
—
—
—
—
—
—
—
4:47
—
—
—
—
—
—
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4:46
—
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 mm
1
2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3
8
—
Temp °C
18
18
17
18
21
21
21
20
19
17
17
17
16
16
17
17
19
18
17
17
17
14
13
15
Feels °C
17
17
16
15
16
18
19
15
15
13
14
14
14
14
17
17
16
15
15
16
15
10
8
12
  • 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
How to use the Wavefinder 

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 Osaki 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.


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