Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 pm 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
25.6° C
0.1° 

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 (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 1ft (0.3m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 1ft (0.3m), 8s period with SE swell.
  • Evening surf: Evening surf (18 Jul, local time) - 1ft (0.3m), 8s period with SE swell.

The current surf forecast for Osaki at 12AM is: 0.2m 9s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a South-southwest direction, 0.4m 4s secondary swell from a South-southeast direction (forecast issued at 08:00pm July 17). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Jul)1ft (0.3m)9s
Afternoon (18 Jul)1ft (0.3m)8s
Evening (18 Jul)1ft (0.3m)8s

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


Short Range Forecast

Some drizzle, heaviest during Fri night. Warm (max 29°C on Mon afternoon, min 25°C on Fri night). Wind will be generally light.

Fri
17
Saturday
18
Sunday
19
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
4
0.2
SSW
8
0.2
SSE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.7
S
4
0.8
S
4
0.7
S
4
Wave Graph
Metric surfscale
Energy kJ
7
6
8
12
12
12
11
11
11
10
10
10
10
9
9
12
19
15
Wind (km/h)
20
SSE
20
SE
15
SE
10
SE
10
SE
10
SSE
15
SSW
20
S
20
S
15
SSE
15
S
15
S
15
S
15
SSW
20
S
25
S
20
S
20
S
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
on
High Tide
7:41PM1.45m
6:25AM1.48m
8:09PM1.43m
7:14AM1.43m
8:36PM1.42m
Low Tide
00:59AM0.86m
1:20PM0.16m
1:40AM0.79m
1:55PM0.29m
part cloud
rain showers
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:39
4:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:54
6:54
 mm
1
Temp °C
27
26
25
25
25
26
27
27
26
26
25
25
25
26
27
27
27
27
Feels °C
29
28
27
27
28
29
29
28
27
28
27
27
27
28
28
28
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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