Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 am 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
24.6° C
0.5° 

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 (13 Jul):

  • Morning surf: Morning surf (13 Jul, local time) - 3.5ft (1.0m), 13s period with SSW swell.
  • Afternoon surf: Afternoon surf (13 Jul, local time) - 3ft (0.9m), 12s period with SSW swell.
  • Evening surf: Evening surf (13 Jul, local time) - 2.5ft (0.8m), 11s period with SSW swell.

The current surf forecast for Osaki at 2PM is: 0.9m 12s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 08:00am July 13). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Jul)3.5ft (1.0m)13s
Afternoon (13 Jul)3ft (0.9m)12s
Evening (13 Jul)2.5ft (0.8m)11s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Mon morning, min 25°C on Mon night). Winds increasing (calm on Mon afternoon, fresh winds from the S by Wed afternoon).

Monday
13
Tuesday
14
Wednesday
15
Thu
16
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
12 AM
3 AM
Rating
(10 max)
2
2
0
0
1
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SSW
13
1
SSW
13
0.9
SSW
12
0.9
SSW
12
0.9
SSW
12
0.8
SSW
11
0.7
SSW
11
0.6
SSW
11
0.6
SSW
11
0.5
SSW
11
0.5
SSW
11
0.5
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
9
0.4
SW
9
0.8
S
4
1.1
S
4
1.1
S
5
1.1
SSW
5
1
S
5
Wave Graph
Metric surfscale
Energy kJ
384
302
210
206
199
145
128
95
93
66
64
59
39
39
38
38
36
34
22
18
50
56
64
55
Wind (km/h)
5
SW
5
E
10
S
10
SSW
5
ESE
5
S
5
SSW
5
SSE
10
S
15
S
20
S
25
S
25
S
25
S
20
SSW
15
SSW
15
SSW
15
SSW
20
S
30
S
35
S
30
SSW
35
SSW
25
SSW
Wind State
glassy
cross-off
on
on
glassy
on
on
cross-on
cross-on
on
on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
5:37PM1.38m
3:10AM1.46m
6:12PM1.43m
4:01AM1.49m
6:44PM1.45m
Low Tide
10:01AM0.08m
10:13PM1.10m
10:45AM0.02m
10:59PM1.06m
11:27AM-0.00m
11:40PM1.01m
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:35
4:37
4:37
4:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:57
6:57
6:55
 mm
Temp °C
26
26
27
27
27
27
26
26
25
26
27
27
27
26
26
25
26
26
27
27
27
26
26
26
Feels °C
30
30
30
30
31
30
29
29
27
28
28
28
27
27
28
27
29
28
29
27
27
26
26
27
  • 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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