Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 2 am 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
26.7° 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 (07 Aug):

  • Morning surf: Morning surf (07 Aug, local time) - 5ft (1.6m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (07 Aug, local time) - 5ft (1.5m), 12s period with S swell.
  • Evening surf: Evening surf (07 Aug, local time) - 4.5ft (1.4m), 11s period with S swell.

The current surf forecast for Osaki at 7AM is: 1.7m 13s primary swell from a South direction and 0.2m 11s secondary swell from a East-southeast direction (forecast issued at 02:00am August 07). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (07 Aug)5ft (1.6m)13s
Afternoon (07 Aug)5ft (1.5m)12s
Evening (07 Aug)4.5ft (1.4m)11s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Fri morning, min 25°C on Sat night). Wind will be generally light.

Friday
7
Saturday
8
Sunday
9
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)
3
2
2
2
0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
1
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)
1.9
S
14
1.8
S
13
1.7
S
13
1.6
S
13
1.6
S
12
1.5
S
12
1.4
S
12
1.4
S
11
1.3
S
11
1.3
S
11
1.2
S
11
1.1
S
11
1.1
S
11
1
S
11
1
S
11
0.9
SSW
11
0.9
SSW
11
0.8
SSW
11
0.7
S
10
0.7
SSW
10
0.7
SSW
10
0.6
S
10
0.6
S
10
0.6
S
10
Wave Graph
Metric surfscale
Energy kJ
1294
1094
958
810
735
625
535
499
418
426
369
307
297
242
235
194
194
153
100
112
112
75
77
77
Wind (km/h)
10
SSE
5
SSE
10
SSE
10
SSE
20
SSW
20
S
20
S
20
S
20
S
15
S
10
SSW
5
SSW
15
SSW
20
S
20
S
15
S
15
S
10
S
5
SE
5
E
5
S
20
SSW
20
S
10
SE
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
glassy
glassy
on
on
on
cross
High Tide
9:49PM1.41m
12:41PM1.13m
10:30PM1.40m
2:57PM1.19m
11:28PM1.38m
4:09PM1.28m
Low Tide
5:21AM0.46m
4:23PM1.04m
6:37AM0.41m
5:47PM1.15m
7:52AM0.33m
7:53PM1.19m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:39
6:38
6:37
 mm
Temp °C
27
27
27
28
28
28
28
27
26
26
26
27
28
28
27
26
26
26
25
26
28
28
27
27
Feels °C
31
31
31
31
30
29
30
29
28
28
29
30
30
29
28
28
28
29
28
29
31
28
28
29
  • 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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