Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 2 pm 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
28.3°C
1.8° 

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 (06 Sep):

  • Afternoon surf: Afternoon surf (06 Sep, local time) - 1.5ft (0.5m), 8s period with SE swell.
  • Evening surf: Evening surf (06 Sep, local time) - 3.5ft (1.1m), 8s period with SE swell.

The current surf forecast for Osaki at 7PM is: 0.9m 8s primary swell from a Southeast direction and 0.3m 9s secondary swell from a South-southwest direction (forecast issued at 02:00pm September 06). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (06 Sep)--
Afternoon (06 Sep)1.5ft (0.5m)8s
Evening (06 Sep)3.5ft (1.1m)8s

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


Short Range Forecast

Heavy rain (total 248mm), heaviest during Sun afternoon. Warm (max 28°C on Tue afternoon, min 22°C on Sun afternoon). Winds decreasing (strong winds from the SSE on Sun night, calm by Tue morning).

Sun
6
Monday
7
Tuesday
8
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
1
2
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
SE
7
0.5
SE
8
0.9
SE
8
1.1
SE
8
1.3
SE
8
1.6
SE
8
2
SSE
9
2.5
S
9
2
S
9
2.4
S
9
3
S
9
1.9
S
9
1.7
S
9
1.5
S
9
1.4
S
9
1
S
9
1
SSE
8
0.9
SSE
8
1
S
8
1.2
SSW
9
Wave Graph
Metric surfscale
Energy kJ
14
30
91
151
211
298
655
1138
664
921
1397
593
471
367
320
176
147
120
140
253
Wind (km/h)
35
NNE
35
NE
30
ENE
35
ENE
40
ESE
40
SE
45
SSE
35
S
35
S
25
SW
25
SSW
25
SSW
20
SSW
20
SSW
20
SW
5
WNW
0
NE
15
S
20
S
15
SW
Wind State
off
off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
cross
glassy
cross-on
on
on
High Tide
2:50PM1.24m
10:39PM1.34m
3:40PM1.32m
00:30AM1.32m
4:09PM1.37m
Low Tide
5:39PM1.22m
7:20AM0.40m
8:06PM1.18m
8:30AM0.36m
heavy rain
heavy rain
heavy rain
heavy rain
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
rain showers
clear
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:00
6:00
 mm
11
37
66
30
38
26
22
9
5
2
2
1
1
1
1
1
1
2
Temp °C
20
22
23
23
25
25
26
26
27
26
26
26
26
25
26
25
26
27
28
27
Feels °C
16
20
23
21
23
24
24
26
27
27
27
28
28
26
29
29
31
30
30
30
  • 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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