Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 2 am 15 Jul 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
25.0° C
0.3° 

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 (15 Jul):

  • Morning surf: Morning surf (15 Jul, local time) - 1.5ft (0.4m), 9s period with SSW swell.
  • Afternoon surf: Afternoon surf (15 Jul, local time) - 1ft (0.3m), 9s period with SSW swell.
  • Evening surf: Evening surf (15 Jul, local time) - 2.5ft (0.7m), 9s period with S swell.

The current surf forecast for Osaki at 6AM is: 0.4m 10s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 02:00am July 15). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (15 Jul)1.5ft (0.4m)9s
Afternoon (15 Jul)1ft (0.3m)9s
Evening (15 Jul)2.5ft (0.7m)9s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Thu night. Warm (max 29°C on Thu morning, min 25°C on Fri night). Wind will be generally light.

Wednesday
15
Thursday
16
Friday
17
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)
0
0
0
0
0
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)
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
9
0.4
SSW
9
0.3
SSW
9
0.3
SSW
9
0.7
S
9
0.3
SSW
9
0.8
SSW
4
0.7
SSW
5
0.7
SSW
5
0.5
S
5
0.5
S
5
0.5
S
4
0.5
S
4
0.3
SE
10
0.4
S
4
0.2
SSW
8
0.3
SE
10
0.5
SSE
4
0.5
SSE
4
0.5
SSE
4
0.2
SSW
8
Wave Graph
Metric surfscale
Energy kJ
38
38
36
34
28
16
16
79
16
20
22
23
11
10
9
7
16
6
6
15
7
7
8
6
Wind (km/h)
15
S
10
S
5
S
10
S
15
S
20
S
25
S
30
SSW
20
SSW
15
SSW
5
W
5
ENE
10
SSE
15
SSW
15
SSW
15
SSE
5
S
5
ENE
5
NE
10
SSE
20
S
20
S
20
SSE
15
SE
Wind State
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
on
cross-on
glassy
cross-on
on
on
cross-on
glassy
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:01AM1.49m
6:44PM1.45m
4:50AM1.51m
7:13PM1.45m
5:38AM1.50m
7:41PM1.45m
Low Tide
10:59PM1.06m
11:27AM-0.00m
11:40PM1.01m
12:06PM0.02m
00:20AM0.94m
12:43PM0.07m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:37
4:37
4:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:57
6:55
6:55
 mm
1
2
2
2
2
1
Temp °C
26
26
26
27
27
28
27
26
26
26
26
28
29
29
28
27
27
26
26
26
27
27
26
26
Feels °C
28
30
30
30
29
30
28
26
28
29
30
32
33
32
31
31
33
31
31
30
29
29
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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