Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 2 pm 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
28.3°C
1.5° 

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 (30 Aug):

  • Afternoon surf: Afternoon surf (30 Aug, local time) - 1.5ft (0.4m), 7s period with SSW swell.
  • Evening surf: Evening surf (30 Aug, local time) - 1ft (0.3m), 7s period with SSW swell.

The current surf forecast for Osaki at 7PM is: 0.3m 7s primary swell from a South-southwest direction and 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 02:00pm August 30). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (30 Aug)--
Afternoon (30 Aug)1.5ft (0.4m)7s
Evening (30 Aug)1ft (0.3m)7s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Mon morning, min 24°C on Sun afternoon). Wind will be generally light.

Sun
30
Monday
31
Tuesday
1
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
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)
0.4
SSW
7
0.4
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.2
SSE
9
0.3
SSW
9
0.3
SSW
9
0.3
SSW
9
0.3
SSW
8
0.2
E
12
0.3
SSW
9
0.3
SSW
9
0.3
SSW
8
0.3
SSW
8
Wave Graph
Metric surfscale
Energy kJ
18
18
10
10
11
10
10
11
11
11
9
16
15
15
14
14
15
15
13
14
Wind (km/h)
10
NNE
5
ENE
0
ESE
10
NE
5
NE
10
NE
15
NE
15
NE
15
ENE
15
ENE
20
ENE
20
NE
20
NE
15
NE
15
NE
15
NE
15
ENE
5
S
10
S
10
S
Wind State
off
cross-off
glassy
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-on
on
on
High Tide
6:41PM1.49m
6:48AM1.55m
7:03PM1.50m
7:33AM1.49m
7:26PM1.50m
Low Tide
12:27PM0.39m
00:39AM0.52m
12:58PM0.50m
1:16AM0.45m
1:29PM0.63m
part cloud
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:10
6:09
 mm
Temp °C
23
24
25
25
25
25
25
26
27
26
26
25
24
24
24
25
27
27
26
26
Feels °C
25
26
29
28
28
28
27
28
29
28
27
26
25
25
25
26
29
29
28
29
  • 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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