Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki 48 hour detailed Surf Forecast

Issued: 8 am 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
25.1° 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 (17 Jul):

  • Morning surf: Morning surf (17 Jul, local time) - 1ft (0.3m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (17 Jul, local time) - 1.5ft (0.5m), 4s period with S swell.
  • Evening surf: Evening surf (17 Jul, local time) - 0.5ft (0.2m), 8s period with SSW swell.

The current surf forecast for Osaki at 3PM is: 0.2m 8s primary swell from a South-southwest direction and 0.1m 9s secondary swell from a Southeast direction, 0.5m 4s secondary swell from a South direction (forecast issued at 08:00am July 17). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Jul)1ft (0.3m)10s
Afternoon (17 Jul)1.5ft (0.5m)4s
Evening (17 Jul)0.5ft (0.2m)8s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri morning. Warm (max 27°C on Fri morning, min 25°C on Fri night). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
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
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
SSW
8
0.3
SE
10
0.2
SSW
8
0.5
S
4
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
3
0.6
S
4
0.5
S
4
Wave Graph
Metric surfscale
Energy kJ
6
15
6
6
7
6
8
12
12
12
11
11
11
10
10
10
10
9
9
11
9
7
Wind (km/h)
5
ESE
10
SSE
20
S
20
S
20
SSE
15
SE
15
SSE
10
SSE
10
SE
10
S
10
SSW
20
S
15
S
15
S
15
S
15
S
10
S
15
S
20
S
20
S
20
S
20
S
Wind State
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
on
on
on
on
on
on
cross-on
cross-on
High Tide
5:38AM1.50m
7:41PM1.45m
6:25AM1.48m
8:09PM1.43m
7:14AM1.43m
8:36PM1.42m
Low Tide
12:43PM0.07m
00:59AM0.86m
1:20PM0.16m
1:40AM0.79m
1:55PM0.29m
clear
thunderstorm
thunderstorm
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:39
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
1
Temp °C
27
27
27
27
27
26
25
25
25
26
27
27
26
26
25
25
25
26
27
27
26
26
Feels °C
31
31
29
29
30
28
27
28
28
29
29
29
28
28
27
27
28
28
28
28
27
27
  • 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 

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