Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
27.7°C
0.9° 

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 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 1.5ft (0.4m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 1.5ft (0.5m), 11s period with S swell.
  • Evening surf: Evening surf (27 Aug, local time) - 1.5ft (0.5m), 10s period with S swell.

The current surf forecast for Osaki at 3AM is: 0.5m 9s primary swell from a South-southeast direction and 0.4m 11s secondary swell from a South-southwest direction, 0.8m 5s secondary swell from a South-southwest direction (forecast issued at 08:00pm August 26). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (27 Aug)1.5ft (0.4m)11s
Afternoon (27 Aug)1.5ft (0.5m)11s
Evening (27 Aug)1.5ft (0.5m)10s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Thu night. Warm (max 29°C on Thu morning, min 25°C on Fri night). Wind will be generally light.

Wed
26
Thursday
27
Friday
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
1
0
0
1
0
0
0
0
0
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
11
0.6
SSW
11
0.5
SSW
11
0.5
SSE
9
0.4
SSW
10
0.4
S
11
0.4
S
11
0.5
S
11
0.7
SW
6
0.5
S
10
0.5
S
10
0.6
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
8
0.8
SSW
6
0.5
S
6
Wave Graph
Metric surfscale
Energy kJ
130
95
68
46
40
38
38
55
31
47
45
63
41
40
39
35
38
17
Wind (km/h)
25
SW
25
SSW
25
SW
20
SW
10
WSW
5
SW
5
S
15
N
10
NNE
15
SW
20
SW
15
SSW
10
W
5
SW
5
SW
5
SW
0
SE
5
S
Wind State
on
on
on
on
cross-on
glassy
on
cross-off
off
on
on
on
cross
glassy
on
glassy
glassy
glassy
High Tide
5:10PM1.43m
3:40AM1.47m
5:33PM1.46m
4:32AM1.53m
5:56PM1.47m
Low Tide
10:21PM0.97m
10:42AM0.22m
10:57PM0.85m
11:20AM0.24m
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
thunderstorm
cloud
cloud
cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:15
6:15
 mm
1
1
1
1
2
1
1
3
Temp °C
30
28
28
28
28
28
29
29
27
26
26
26
26
26
27
28
28
28
Feels °C
31
29
29
30
32
33
34
30
28
27
26
28
30
30
30
31
31
31
  • 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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