Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 pm 26 Sep 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
25.0°C
0.0° 

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 (27 Sep):

  • Morning surf: Morning surf (27 Sep, local time) - 0.5ft (0.2m), 5s period with S swell.
  • Afternoon surf: Afternoon surf (27 Sep, local time) - 0.5ft (0.2m), 6s period with S swell.
  • Evening surf: Evening surf (27 Sep, local time) - 1.5ft (0.5m), 7s period with S swell.

The current surf forecast for Osaki at 1AM is: 0.2m 9s primary swell from a South-southeast direction and 0.1m 4s secondary swell from a Southeast direction (forecast issued at 08:00pm September 26). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (27 Sep)0.5ft (0.2m)5s
Afternoon (27 Sep)0.5ft (0.2m)6s
Evening (27 Sep)1.5ft (0.5m)7s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sat night. Warm (max 24°C on Mon afternoon, min 19°C on Sat night). Wind will be generally light.

Sat
26
Sunday
27
Monday
28
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)
0.1
S
13
0.1
SE
9
0.2
SSE
9
0.2
SSE
9
0.2
S
5
0.2
S
5
0.2
S
5
0.2
S
6
0.4
SSW
7
0.5
S
7
0.5
S
7
0.5
S
7
0.4
SSW
6
0.4
SSW
6
0.2
SSE
9
0.3
S
6
0.4
S
5
0.4
S
5
Wave Graph
Metric surfscale
Energy kJ
3
3
8
8
3
3
3
3
15
23
23
22
13
13
8
6
9
9
Wind (km/h)
25
N
25
N
20
NNE
15
NNE
20
NNE
15
NNE
10
NE
5
SSW
0
WSW
0
W
5
SW
10
SSW
10
SW
10
WSW
15
SW
15
SSW
10
NNW
10
N
Wind State
off
off
off
off
off
off
off
glassy
glassy
glassy
on
on
cross-on
cross-on
on
on
cross-off
cross-off
High Tide
5:03PM1.47m
5:17AM1.57m
5:26PM1.50m
6:01AM1.58m
5:48PM1.52m
Low Tide
11:04PM0.51m
11:27AM0.52m
11:38PM0.39m
11:59AM0.62m
light rain
cloud
light rain
cloud
cloud
part cloud
cloud
light rain
light rain
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
5:31
—
—
—
—
—
—
—
5:33
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
—
5:31
—
—
—
—
—
—
—
5:30
—
—
 mm
1
—
2
—
—
—
—
1
1
—
—
—
—
—
—
—
—
—
Temp °C
19
19
19
19
19
21
23
21
21
21
22
22
22
22
22
24
24
23
Feels °C
17
17
18
18
17
20
23
23
23
24
24
23
24
24
23
26
26
24
  • 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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