Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 am 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
28.4° C
1.8° 

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 (04 Aug):

  • Morning surf: Morning surf (04 Aug, local time) - 4.5ft (1.4m), 17s period with SE swell.
  • Afternoon surf: Afternoon surf (04 Aug, local time) - 5.5ft (1.7m), 16s period with SE swell.
  • Evening surf: Evening surf (04 Aug, local time) - 6.5ft (2.0m), 16s period with SE swell.

The current surf forecast for Osaki at 1PM is: 1.6m 16s primary swell from a Southeast direction (forecast issued at 08:00am August 04). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (04 Aug)4.5ft (1.4m)17s
Afternoon (04 Aug)5.5ft (1.7m)16s
Evening (04 Aug)6.5ft (2.0m)16s

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


Short Range Forecast

Some drizzle, heaviest during Thu night. Warm (max 30°C on Thu afternoon, min 23°C on Tue night). Mainly fresh winds.

Tuesday
4
Wednesday
5
Thursday
6
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)
2
2
2
2
2
3
3
3
3
3
4
3
3
3
4
4
4
4
4
3
2
3
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)
1.3
SE
16
1.4
SE
17
1.6
SE
16
1.7
SE
16
1.8
SE
16
2
SE
16
2.1
SE
16
2.1
SE
16
1.8
SE
14
2.2
SSE
16
2.3
SSE
15
2.4
SSE
15
2.3
SSE
15
2.3
SSE
14
2.2
SSE
14
2.1
SSE
14
2.1
SSE
14
2.2
SSE
14
2.1
S
14
2.2
S
14
2.2
S
14
2.2
S
14
Wave Graph
Metric surfscale
Energy kJ
966
1094
1364
1464
1571
2027
2107
2185
1273
2379
2432
2414
2292
2152
1835
1677
1558
1665
1729
2012
1999
1968
Wind (km/h)
30
NNE
30
NE
25
NE
25
NE
25
ENE
30
NE
30
NNE
30
NNE
30
NNE
30
NNE
25
NE
20
ENE
20
E
20
ENE
20
NE
20
NE
20
NE
20
NE
15
ENE
10
ESE
15
SE
10
ESE
Wind State
off
off
cross-off
cross-off
cross-off
off
off
off
off
off
off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross
cross-on
cross
High Tide
8:29AM1.35m
8:48PM1.44m
9:29AM1.26m
9:16PM1.43m
10:48AM1.17m
Low Tide
2:32PM0.59m
3:17AM0.54m
3:04PM0.75m
4:14AM0.50m
3:39PM0.90m
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:52
4:52
4:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:42
6:40
 mm
Temp °C
23
24
26
28
26
24
23
23
23
24
26
29
28
26
25
25
25
27
29
30
29
27
Feels °C
21
21
23
25
24
22
20
20
20
21
25
30
29
27
27
27
27
29
31
32
32
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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