Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 2 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
28.0°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 (29 Aug):

  • Morning surf: Morning surf (29 Aug, local time) - 1.5ft (0.4m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 1.5ft (0.4m), 7s period with SSW swell.
  • Evening surf: Evening surf (29 Aug, local time) - 0.5ft (0.2m), 11s period with SSE swell.

The current surf forecast for Osaki at 6AM is: 0.5m 8s primary swell from a South direction and 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 02:00am August 29). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (29 Aug)1.5ft (0.4m)7s
Afternoon (29 Aug)1.5ft (0.4m)7s
Evening (29 Aug)0.5ft (0.2m)11s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat morning. Warm (max 27°C on Mon afternoon, min 22°C on Sat afternoon). Mainly fresh winds.

Saturday
29
Sunday
30
Monday
31
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
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
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
S
7
0.5
S
7
0.5
S
8
0.4
SSW
7
0.4
SSW
7
0.4
SSW
7
0.3
SSW
8
0.2
SSE
11
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.2
SSE
10
0.2
SSE
10
0.2
SSE
10
0.2
SSE
9
0.3
SSW
9
Wave Graph
Metric surfscale
Energy kJ
37
26
29
18
18
18
12
11
12
11
11
11
11
11
11
11
11
11
11
9
9
9
9
16
Wind (km/h)
10
NNE
15
N
15
NNE
10
ENE
5
N
35
NNE
30
NNE
30
NNE
25
NNE
20
NNE
20
NNE
20
NNE
15
NNE
10
NE
15
NE
15
NNE
15
NNE
15
N
20
NNE
20
N
20
N
20
N
20
N
20
NNE
Wind State
off
off
off
cross-off
glassy
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
5:19AM1.57m
6:18PM1.49m
6:04AM1.58m
6:41PM1.49m
6:48AM1.55m
7:03PM1.50m
Low Tide
11:30PM0.73m
11:54AM0.30m
00:05AM0.62m
12:27PM0.39m
00:39AM0.52m
12:58PM0.50m
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
light rain
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:11
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:14
6:12
6:10
 mm
2
3
3
1
1
1
1
1
Temp °C
25
26
25
24
24
22
22
22
22
22
22
22
24
25
24
24
24
24
24
23
24
26
27
25
Feels °C
27
28
27
26
28
19
19
20
21
21
21
22
25
27
25
26
26
25
25
23
24
27
29
27
  • 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