Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 am 28 Jul 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
27.7° C
1.4° 

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):

  • Morning surf: Morning surf (28 Jul, local time) - 1ft (0.3m), 10s period with SE swell.
  • 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 12PM is: 0.3m 9s primary swell from a South-southwest direction and 0.3m 10s secondary swell from a Southeast direction (forecast issued at 08:00am July 28). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (28 Jul)1ft (0.3m)10s
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

Light rain (total 2mm), mostly falling on Tue afternoon. Warm (max 29°C on Wed afternoon, min 24°C on Tue morning). Wind will be generally light.

Tuesday
28
Wednesday
29
Thursday
30
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)
0.4
SSW
9
0.3
SE
10
0.3
SE
10
0.6
S
9
0.7
S
3
0.3
SSW
8
0.7
SW
4
0.5
S
5
0.6
S
6
0.6
SSW
6
0.6
SSW
6
0.6
SSW
7
0.6
SSW
7
0.6
SSW
7
0.6
SSW
7
0.5
SSW
7
0.5
SSW
7
0.4
SSW
7
0.4
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
Wave Graph
Metric surfscale
Energy kJ
26
15
15
54
11
14
18
12
24
30
33
37
42
43
41
29
29
18
18
10
10
10
Wind (km/h)
5
SE
5
SSE
15
SSW
20
SSW
20
S
15
SW
10
NW
10
N
5
NNE
5
ENE
5
SW
15
SSW
10
SSW
10
NW
5
N
10
NNE
15
NNE
5
ENE
10
SSW
15
S
15
S
10
SSE
Wind State
glassy
cross-on
on
on
on
cross-on
cross-off
off
off
glassy
glassy
on
on
cross-off
off
off
off
glassy
on
cross-on
on
cross-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
light rain
part cloud
part cloud
cloud
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
cloud
light rain
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:46
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
1
1
Temp °C
23
24
25
26
26
26
26
25
25
26
28
29
28
28
29
28
26
26
27
27
27
27
Feels °C
26
27
27
27
28
29
30
27
28
30
32
31
30
31
32
31
28
29
30
29
29
30
  • 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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