Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 pm 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
27.4°C
0.8° 

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 (03 Sep):

  • Morning surf: Morning surf (03 Sep, local time) - 1.5ft (0.5m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 2.5ft (0.8m), 9s period with S swell.
  • Evening surf: Evening surf (03 Sep, local time) - 1.5ft (0.4m), 8s period with SSW swell.

The current surf forecast for Osaki at 1AM is: 0.5m 9s primary swell from a South direction and 0.2m 10s secondary swell from a South-southwest direction (forecast issued at 08:00pm September 02). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (03 Sep)1.5ft (0.5m)9s
Afternoon (03 Sep)2.5ft (0.8m)9s
Evening (03 Sep)1.5ft (0.4m)8s

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


Short Range Forecast

Heavy rain (total 120mm), heaviest during Fri night. Warm (max 28°C on Thu morning, min 21°C on Fri night). Mainly fresh winds.

Wed
2
Thursday
3
Friday
4
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
1
1
0
1
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)
0.4
SSW
8
0.4
SSW
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.6
S
9
0.8
S
9
0.4
SSW
8
0.4
SSW
8
0.6
S
11
0.6
S
11
0.5
S
10
0.6
S
10
0.5
S
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
9
Wave Graph
Metric surfscale
Energy kJ
24
25
37
40
39
39
55
94
24
24
91
82
53
73
50
55
52
49
Wind (km/h)
20
S
15
S
15
S
10
SSW
10
SSW
15
SSW
25
S
30
SSW
15
NW
35
NE
15
ENE
10
ENE
15
NE
15
NNE
10
NE
20
NNE
15
N
20
N
Wind State
cross-on
cross-on
on
on
on
on
on
on
cross
cross-off
cross-off
cross-off
off
off
off
off
cross-off
off
High Tide
7:51PM1.49m
9:19AM1.31m
8:17PM1.47m
10:36AM1.22m
8:48PM1.44m
Low Tide
2:40AM0.39m
2:27PM0.91m
3:32AM0.40m
2:58PM1.03m
cloud
part cloud
thunderstorm
cloud
part cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:05
 mm
1
1
1
2
3
3
7
Temp °C
27
27
27
27
26
27
28
28
28
24
24
24
24
24
25
24
23
21
Feels °C
28
29
30
31
29
29
29
28
31
22
25
26
26
26
27
25
24
21
  • 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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