Osaki Surf Break

Lat Long: 35.29° N 139.56° E

Osaki Surf Forecast and Surf Report

Issued: 2 am 23 Oct 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
23.6°C
0.7° 

Osaki surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Osaki surf forecast from 22 Oct 2026:

  • Best quality surf: Tuesday 27 Oct, 12PM (local time) - 8ft (2.4m), 8s period, SSW swell with offshore winds.
  • Most powerful swell: Tuesday 27 Oct, 12PM (local time) - 8ft (2.4m), 8s period, SSW swell with 645 kJ wave energy.
  • Next surfable swell (1★+): Friday 23 Oct, 12PM (local time) - 3.5ft (1.0m), 13s period with S swell.

Best Forecast Surf Conditions for Osaki this week:

The surf forecast for Osaki over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 23) at 12PM. The primary swell is predicted to be 1.0m and 13s period with a secondary swell of 0.4m and 16s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Osaki in the next 16 days are 2.4m 8s and forecast to arrive on Tuesday (Oct 27) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Oct 24) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Fri 23rd Oct)3.5ft (1.0m) 13s
Best Surf12PM (Tue 27th Oct)8ft (2.4m) 8s
Most Powerful12PM (Tue 27th Oct)8ft (2.4m) 8s

Table - best surf conditions forecast for Osaki over the next 16 days.


Short Range Forecast

Heavy rain (total 25mm), heaviest during Sat morning. Warm (max 21°C on Sat night, min 16°C on Fri morning). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 19mm), heaviest on Mon afternoon. Warm (max 20°C on Mon night, min 13°C on Wed night). Mainly fresh winds.

Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
1
2
0
1
1
1
1
0
0
0
2
1
1
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)
1.1
S
13
0.9
S
13
0.9
SSW
13
1.4
SE
8
0.7
SSW
14
0.7
SSW
14
0.5
SSW
13
1
S
7
0.7
S
7
0.3
SW
12
0.3
SE
10
0.3
SSW
10
1.8
SSW
6
1.4
SSW
8
1
SSW
9
0.5
S
8
0.3
SSW
8
0.2
S
7
0.2
SSE
7
0.2
SSE
5
0.5
SE
6
Wave Graph
Metric surfscale
Energy kJ
411
252
249
277
178
161
93
86
47
22
15
18
249
257
169
36
12
5
4
4
21
Wind (km/h)
15
NE
5
SE
10
SE
20
NNE
30
N
0
N
10
NNW
15
NNE
10
NNE
15
NNE
15
N
10
NE
10
N
15
NE
20
NNE
15
NNW
10
E
20
NNE
20
NE
15
NNE
20
NNE
Wind State
cross-off
glassy
cross
off
off
glassy
cross-off
off
off
off
off
off
cross-off
off
off
cross-off
cross-off
off
off
off
off
High Tide
3:17PM1.40m
3:38AM1.40m
3:43PM1.43m
4:29AM1.47m
4:08PM1.47m
5:15AM1.52m
4:33PM1.50m
6:00AM1.53m
4:59PM1.53m
6:45AM1.52m
5:26PM1.54m
7:31AM1.48m
5:54PM1.54m
Low Tide
9:28PM0.60m
9:41AM0.62m
10:04PM0.44m
10:20AM0.68m
10:39PM0.30m
10:56AM0.75m
11:14PM0.19m
11:30AM0.83m
11:51PM0.12m
12:03PM0.91m
00:28AM0.08m
12:36PM0.98m
1:08AM0.09m
part cloud
part cloud
light rain
heavy rain
mod rain
cloud
cloud
light rain
light rain
light rain
mod rain
mod rain
light rain
light rain
part cloud
part cloud
cloud
part cloud
cloud
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
—
—
5:54
—
—
5:54
—
—
5:56
—
—
5:56
—
—
5:58
—
—
5:58
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
4:57
—
—
4:55
—
—
4:54
—
—
4:53
—
—
4:52
—
—
4:52
—
—
4:51
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 mm
—
—
1
12
9
—
—
1
2
1
6
7
4
1
—
—
—
—
—
2
—
Temp °C
17
19
20
18
17
21
21
21
19
19
19
20
19
19
19
18
18
14
13
15
15
Feels °C
15
18
20
16
13
20
22
20
19
19
19
20
20
18
20
17
15
7
9
12
11
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Osaki Surf forecast

The above surf forecast table for Osaki provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Osaki can be found by selecting the local surf guide option on the grey menu. Our Osaki surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Osaki) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Osaki may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Osaki is 2 km (1 miles) from the city of Zushi. If you plan a holiday in Kanagawa, look for hotels and other accommodation in Zushi. Zushi has rooms for a wide range of budgets as well as car hire and transport links.

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