Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
27.9° 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 (12 Aug):

  • Evening surf: Evening surf (12 Aug, local time) - 1.5ft (0.5m), 10s period with SSW swell.

The current surf forecast for Osaki at 12AM is: 1.3m 5s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a Southeast direction, 0.1m 11s secondary swell from a East direction (forecast issued at 08:00pm August 11). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Aug)--
Afternoon (12 Aug)--
Evening (12 Aug)1.5ft (0.5m)10s

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


Short Range Forecast

Heavy rain (total 93mm), heaviest during Tue night. Warm (max 29°C on Fri afternoon, min 23°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue night, light winds from the NE by Thu afternoon).

Tue
11
Wednesday
12
Thursday
13
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SSW
10
0.5
SSW
10
1.3
SSW
5
0.9
S
6
0.5
SSW
10
0.8
S
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.5
S
10
0.5
S
10
0.4
SSW
9
0.4
SSW
9
Wave Graph
Metric surfscale
Energy kJ
62
59
91
58
58
130
59
59
58
40
39
38
38
38
49
47
29
28
Wind (km/h)
10
WNW
30
WSW
40
SSW
35
S
20
ESE
20
ESE
20
ESE
15
E
20
NE
20
NNE
25
N
25
N
25
N
25
NNE
15
ENE
10
NE
15
ENE
15
ENE
Wind State
cross
cross-on
on
cross-on
cross-off
cross
cross
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
High Tide
5:17PM1.41m
3:09AM1.45m
5:43PM1.45m
4:05AM1.50m
6:08PM1.47m
Low Tide
10:08PM1.08m
10:31AM0.14m
10:48PM0.99m
11:12AM0.14m
light rain
light rain
heavy rain
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
mod rain
light rain
cloud
cloud
cloud
clear
clear
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:36
6:35
6:34
 mm
2
4
30
11
6
4
6
7
6
1
2
2
4
Temp °C
26
25
24
24
24
25
26
26
25
24
24
24
23
25
27
28
28
26
Feels °C
28
23
21
22
25
25
26
27
25
24
23
23
22
24
28
30
30
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.


Nearest locationNearest