Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 2 pm 28 Jul 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
27.4° C
1.1° 

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 (28 Jul):

  • Afternoon surf: Afternoon surf (28 Jul, local time) - 2ft (0.6m), 9s period with S swell.
  • Evening surf: Evening surf (28 Jul, local time) - 1ft (0.3m), 8s period with SSW swell.

The current surf forecast for Osaki at 6PM is: 0.3m 8s primary swell from a South-southwest direction and 0.2m 10s secondary swell from a South-southeast direction, 0.6m 4s secondary swell from a South direction (forecast issued at 02:00pm July 28). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (28 Jul)--
Afternoon (28 Jul)2ft (0.6m)9s
Evening (28 Jul)1ft (0.3m)8s

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


Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 30°C on Wed afternoon, min 25°C on Tue night). Wind will be generally light.

Tue
28
Wednesday
29
Thursday
30
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)
0.3
SE
10
0.6
S
9
0.3
SSW
8
0.3
SSW
8
0.9
SSW
5
0.6
SSW
6
0.7
SSW
6
0.7
SSW
6
0.6
SSW
7
0.6
SSW
7
0.8
SSW
7
0.6
SSW
7
0.6
SSW
7
0.5
SSW
7
0.5
SSW
7
0.4
SSW
7
0.5
S
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
Wave Graph
Metric surfscale
Energy kJ
15
54
14
14
42
24
40
43
35
38
61
42
41
29
29
18
28
10
10
10
Wind (km/h)
20
S
25
S
20
SSW
10
WNW
10
N
5
N
5
NNE
5
ENE
5
SSW
15
SSW
15
SSW
15
NNE
15
NNE
10
NE
10
NNE
0
NE
15
S
20
S
10
SSW
5
SSW
Wind State
on
on
on
cross
off
cross-off
off
glassy
on
on
on
off
off
off
off
glassy
on
on
on
on
High Tide
5:46PM1.42m
3:36AM1.48m
6:14PM1.45m
4:28AM1.51m
6:41PM1.46m
Low Tide
10:17AM0.10m
10:34PM1.08m
11:00AM0.06m
11:15PM1.00m
11:39AM0.07m
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
thunderstorm
part cloud
clear
part cloud
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:47
4:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:49
6:47
6:46
 mm
1
Temp °C
25
26
27
26
26
26
25
26
28
29
30
29
27
27
27
27
28
28
28
28
Feels °C
26
26
29
30
29
30
28
30
31
31
32
31
28
30
29
31
30
29
31
31
  • 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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