Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
28.7° C
2.1° 

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 (05 Aug):

  • Morning surf: Morning surf (05 Aug, local time) - 7ft (2.2m), 15s period with SSE swell.
  • Afternoon surf: Afternoon surf (05 Aug, local time) - 7ft (2.2m), 15s period with SSE swell.
  • Evening surf: Evening surf (05 Aug, local time) - 7ft (2.1m), 14s period with SSE swell.

The current surf forecast for Osaki at 4AM is: 2.1m 15s primary swell from a Southeast direction and 0.2m 13s secondary swell from a East direction (forecast issued at 08:00pm August 04). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (05 Aug)7ft (2.2m)15s
Afternoon (05 Aug)7ft (2.2m)15s
Evening (05 Aug)7ft (2.1m)14s

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


Short Range Forecast

Some drizzle, heaviest during Fri morning. Warm (max 30°C on Thu morning, min 23°C on Tue night). Wind will be generally light.

Tue
4
Wednesday
5
Thursday
6
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
3
3
3
3
3
4
3
3
3
3
4
3
3
3
2
1
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
SE
16
2
SE
16
2.1
SE
16
2.1
SE
16
1.7
SE
14
2.2
SSE
15
2.3
SSE
15
2.2
SSE
15
2.2
SSE
14
2.1
SSE
14
2.1
SSE
14
1.9
SSE
13
1.9
SSE
13
1.8
SSE
13
1.7
SSE
13
1.8
S
13
1.9
S
13
1.9
S
14
Wave Graph
Metric surfscale
Energy kJ
1571
2027
2107
2185
1179
2348
2268
2119
1956
1748
1519
1294
1211
1025
995
1087
1266
1371
Wind (km/h)
25
ENE
30
NE
25
NNE
25
NNE
25
NNE
25
NNE
20
NE
20
ENE
20
E
20
ENE
20
NE
20
NE
15
NE
15
NE
5
E
10
S
15
SSE
10
SE
Wind State
cross-off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-on
cross-on
cross-on
High Tide
8:48PM1.44m
9:29AM1.26m
9:16PM1.43m
10:48AM1.17m
Low Tide
3:17AM0.54m
3:04PM0.75m
4:14AM0.50m
3:39PM0.90m
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:42
6:40
 mm
Temp °C
26
24
23
23
23
24
27
29
28
26
26
25
25
27
30
30
29
27
Feels °C
24
22
21
21
21
22
27
30
29
27
28
27
27
29
33
32
31
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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