Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 am 17 Oct 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
23.7°C
0.3° 

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 (17 Oct):

  • Morning surf: Morning surf (17 Oct, local time) - 0.5ft (0.2m), 8s period with SSE swell.
  • Afternoon surf: Afternoon surf (17 Oct, local time) - 0.5ft (0.2m), 8s period with SSE swell.
  • Evening surf: Evening surf (17 Oct, local time) - 0.5ft (0.2m), 7s period with SSE swell.

The current surf forecast for Osaki at 12PM is: 0.2m 8s primary swell from a South-southeast direction and 0.1m 7s secondary swell from a Southeast direction (forecast issued at 08:00am October 17). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Oct)0.5ft (0.2m)8s
Afternoon (17 Oct)0.5ft (0.2m)8s
Evening (17 Oct)0.5ft (0.2m)7s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Mon afternoon, min 18°C on Sat night). Winds increasing (light winds from the ENE on Sat night, fresh winds from the SSW by Mon morning).

Saturday
17
Sunday
18
Monday
19
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
SSE
8
0.2
SSE
8
0.2
SSE
8
0.2
SSE
8
0.2
SSE
8
0.2
SSE
7
0.3
SE
4
0.2
SSE
4
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
10
0.4
SSE
3
0.5
S
3
0.5
S
3
0.4
SE
10
0.3
SE
10
1
S
4
1.1
S
5
1
S
5
0.9
SSW
5
Wave Graph
Metric surfscale
Energy kJ
7
6
6
6
6
5
3
2
5
5
5
4
4
4
5
6
34
15
36
52
47
40
Wind (km/h)
20
NE
20
NE
10
ENE
5
SE
15
SE
15
ESE
10
ENE
10
E
10
ENE
10
E
10
SSW
20
S
20
S
25
SSW
25
SSW
25
SW
25
SW
30
SW
35
SSW
35
SSW
30
SW
25
SW
Wind State
off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
9:50AM1.33m
7:29PM1.45m
11:09AM1.29m
8:12PM1.37m
12:34PM1.29m
Low Tide
2:15PM1.11m
3:16AM0.30m
3:15PM1.16m
4:20AM0.38m
5:05PM1.16m
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
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5:48
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—
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5:50
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—
—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
5:05
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—
—
—
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5:04
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5:01
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 mm
—
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—
—
—
—
—
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—
—
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—
—
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Temp °C
20
20
21
22
20
19
19
19
18
19
20
21
21
21
21
21
20
21
23
24
23
23
Feels °C
17
17
19
20
17
17
18
18
16
18
19
18
18
17
17
18
16
17
18
20
20
22
  • 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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