Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 am 23 Jul 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
27.1° C
1.2° 

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 (23 Jul):

  • Morning surf: Morning surf (23 Jul, local time) - 1.5ft (0.4m), 6s period with SSW swell.
  • Afternoon surf: Afternoon surf (23 Jul, local time) - 1.5ft (0.4m), 6s period with SSW swell.
  • Evening surf: Evening surf (23 Jul, local time) - 0.5ft (0.2m), 10s period with SSE swell.

The current surf forecast for Osaki at 3PM is: 0.4m 6s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a Southeast direction, 0.1m 8s secondary swell from a South direction (forecast issued at 08:00am July 23). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (23 Jul)1.5ft (0.4m)6s
Afternoon (23 Jul)1.5ft (0.4m)6s
Evening (23 Jul)0.5ft (0.2m)10s

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


Short Range Forecast

Heavy rain (total 20mm), heaviest during Sat night. Warm (max 32°C on Thu morning, min 24°C on Sat night). Wind will be generally light.

Thursday
23
Friday
24
Saturday
25
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
5
0.4
SSW
6
0.4
SSW
6
0.4
SSW
6
0.2
SSW
6
0.2
SSE
10
0.2
SSE
10
0.2
SSE
10
0.2
SSE
9
0.2
SSE
9
0.2
SSE
9
0.2
SSE
9
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
Wave Graph
Metric surfscale
Energy kJ
8
15
12
12
4
10
12
12
12
12
12
11
18
18
18
16
15
15
15
15
15
15
Wind (km/h)
15
NE
10
NE
5
ENE
20
S
15
S
5
ESE
10
ENE
15
ENE
10
ENE
5
ESE
15
SSW
15
SSW
15
SSE
15
SSE
10
SSE
5
SSE
0
SW
5
SSE
10
S
15
S
15
S
20
E
Wind State
off
cross-off
cross-off
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
cross
on
on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
cross-on
on
on
cross-off
High Tide
11:48AM1.12m
10:43PM1.38m
1:49PM1.13m
11:30PM1.38m
3:34PM1.21m
Low Tide
5:11AM0.52m
4:29PM0.91m
6:22AM0.44m
5:30PM1.04m
7:33AM0.35m
7:05PM1.13m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:43
4:43
4:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:51
 mm
1
7
Temp °C
28
31
32
31
31
29
28
27
27
28
28
28
28
27
27
26
26
27
28
28
28
26
Feels °C
31
34
36
33
34
34
32
29
30
32
30
30
31
30
31
31
32
32
32
31
31
28
  • 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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