Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 2 pm 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
26.8° C
1.1° 

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 (21 Jul):

  • Afternoon surf: Afternoon surf (21 Jul, local time) - 2ft (0.6m), 4s period with SSW swell.
  • Evening surf: Evening surf (21 Jul, local time) - 2ft (0.6m), 4s period with SSW swell.

The current surf forecast for Osaki at 11PM is: 0.6m 4s primary swell from a South-southwest direction and 0.1m 8s secondary swell from a South direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00pm July 21). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Jul)--
Afternoon (21 Jul)2ft (0.6m)4s
Evening (21 Jul)2ft (0.6m)4s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Thu night. Warm (max 32°C on Thu morning, min 26°C on Thu night). Wind will be generally light.

Tue
21
Wednesday
22
Thursday
23
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
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)
0.2
SSE
8
0.6
SSW
4
0.7
SSW
4
0.6
SSW
4
0.5
SSW
4
0.8
SW
4
0.6
SW
4
0.6
SSW
4
0.4
SSW
4
0.5
S
4
0.6
SSW
4
0.6
SSW
4
0.7
SSW
5
0.9
SW
6
0.5
SSW
5
0.4
SSW
6
0.4
SSW
6
0.3
SSW
6
0.2
SSE
10
0.2
SSE
10
Wave Graph
Metric surfscale
Energy kJ
6
12
18
15
11
21
14
12
6
6
12
13
19
46
17
15
13
8
10
10
Wind (km/h)
20
S
25
SSW
20
SSW
20
SSW
10
SW
10
W
10
W
10
SSW
20
SSW
20
S
15
S
20
SSW
10
SW
5
NNE
15
NE
15
NE
10
ENE
20
SE
10
S
0
E
Wind State
on
on
on
on
on
cross-on
cross-on
on
on
on
on
on
on
glassy
cross-off
off
cross-off
cross-on
on
glassy
High Tide
9:03AM1.27m
9:33PM1.40m
10:14AM1.18m
10:05PM1.39m
11:48AM1.12m
Low Tide
3:07PM0.59m
4:07AM0.58m
3:45PM0.75m
5:11AM0.52m
4:29PM0.91m
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:41
4:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:53
6:52
6:52
 mm
1
Temp °C
30
29
29
29
28
29
28
29
29
28
29
29
28
28
27
30
32
31
30
28
Feels °C
33
31
32
32
32
33
33
34
32
31
32
32
32
33
30
33
35
34
34
33
  • 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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