Osaki Surf Break
Lat Long: 35.29° N 139.56° E

Osaki Surf Forecast and Surf Report

Weather Forecast for Osaki

Issued: 2 pm 05 Jun 2026 (local time)

Forecast update in  hr  min

Today's Osaki sea temperature is
21.6° C

Slightly cooler than normal

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


Osaki surf forecast from 5 Jun 2026:

  • Best quality surf: Monday 8 Jun, 6PM (local time) - 5ft (1.5m), 10s period, SSW swell with offshore winds.
  • Most powerful swell: Monday 8 Jun, 6PM (local time) - 5ft (1.5m), 10s period, SSW swell with 466 kJ wave energy.
  • Next surfable swell (1★+): Monday 8 Jun, 6PM (local time) - 5ft (1.5m), 10s period with SSW 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 Monday (Jun 08) at 6PM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 1.0m and 8s. Another secondary swell of 0.5m and 10s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Osaki in the next 16 days are 1.5m 10s and forecast to arrive on Monday (Jun 08) at 6PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 3s period and expected on Monday (Jun 08) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Mon 8th Jun)5ft (1.5m) 10s
Best Surf 6PM (Mon 8th Jun)5ft (1.5m) 10s
Most Powerful 6PM (Mon 8th Jun)5ft (1.5m) 10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 39mm), heaviest during Sun night. Warm (max 21°C on Sat afternoon, min 17°C on Fri night). Winds increasing (light winds from the ENE on Sun afternoon, strong winds from the NNW by Mon morning).

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Tue morning, min 19°C on Tue night). Winds decreasing (fresh winds from the N on Mon afternoon, calm by Wed afternoon).

Fri
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
1
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
7
0.1
SE
12
0.1
SE
11
0.2
SSW
7
0.2
SSW
7
0.2
SSW
7
0.3
ESE
7
0.3
SE
4
1.1
SSW
9
1.2
S
9
1.1
SSW
7
0.8
SSW
7
0.6
S
7
0.5
SSW
8
0.6
S
7
0.6
S
7
0.4
S
7
1.3
SSW
6
1.1
SSW
6
1.9
SW
7
0.7
SSW
8
Wave Graph
Metric surfscale
Energy kJ
5
5
5
5
5
5
9
4
168
209
125
73
40
35
39
39
15
128
90
396
60
Wind (km/h)
30
ENE
25
NNE
25
NE
15
ENE
15
NE
10
NE
5
ENE
15
SE
35
N
30
N
10
SW
10
NNE
20
SW
20
NE
20
NNE
10
N
10
WSW
5
S
20
S
20
NNW
10
ENE
Wind State
cross-off
off
off
cross-off
cross-off
off
cross-off
cross
off
cross-off
cross-on
off
on
cross-off
off
off
cross-on
glassy
on
cross-off
cross-off
High Tide
9:31PM1.32m
7:33AM1.29m
10:13PM1.29m
8:35AM1.20m
10:55PM1.28m
9:56AM1.11m
11:37PM1.27m
11:35AM1.07m
00:17AM1.28m
1:16PM1.09m
00:56AM1.30m
2:42PM1.15m
1:35AM1.33m
Low Tide
2:34AM0.96m
2:53PM0.19m
3:38AM0.90m
3:42PM0.33m
4:48AM0.82m
4:36PM0.47m
5:59AM0.70m
5:37PM0.61m
7:04AM0.56m
6:41PM0.73m
7:59AM0.41m
7:45PM0.83m
8:48AM0.26m
part cloud
part cloud
part cloud
clear
part cloud
cloud
mod rain
heavy rain
light rain
part cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:26
4:26
4:26
4:26
4:26
4:26
4:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:53
6:53
6:54
6:54
6:55
6:55
 mm
9
25
5
Temp °C
19
17
19
21
19
20
20
19
20
21
21
24
23
22
22
23
22
22
23
23
23
Feels °C
14
12
16
19
18
20
21
19
17
18
22
24
21
22
20
24
22
21
21
22
23
Swell 1
Height (m)
Direction
Period (s)
0.2
SSW
7
0.1
S
7
0.1
S
7
0.2
SSW
7
0.2
SSW
7
0.2
SSW
7
0.1
SW
7
0.1
SW
6
1
SSE
7
1.2
S
9
0.3
SW
10
0.8
SSW
7
0.6
S
7
0.5
SSW
8
0.6
S
7
0.6
S
7
0.4
S
7
0.8
SSW
6
1.2
SSW
7
0.7
SSW
8
Energy kJ
5
1
1
5
5
5
2
2
99
209
14
73
40
35
39
39
15
51
147
60
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
12
0.1
SE
12
0.1
SE
11
0.1
SE
11
0.1
SE
4
0.1
SE
10
0.1
SE
10
0.1
SE
10
1.1
SSW
9
0.4
SW
13
0.1
E
10
0.2
E
8
0.1
S
10
0.2
E
8
0.2
E
8
0.1
NE
5
0.2
SSW
7
0.1
E
15
0.2
SSE
6
Energy kJ
5
5
5
5
1
4
4
4
168
42
2
4
2
5
5
1
5
4
4
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
7
0.1
E
7
0.1
E
6
0.1
SE
10
0.1
SE
10
0.2
E
12
0.3
NNW
4
0.1
E
10
0.1
SW
10
0.1
SE
9
0.1
SE
9
0.1
E
8
0.1
S
8
0.1
E
8
0.1
S
7
Energy kJ
2
1
1
4
4
12
2
2
4
3
3
1
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.6
ENE
3
0.4
NE
3
0.4
NE
3
0.3
ESE
7
0.3
SE
4
0.7
N
3
1.1
SSW
7
0.3
S
2
0.2
NNE
3
0.4
SSW
4
1.3
SSW
6
1.1
SSW
6
1.9
SW
7
Energy kJ
7
4
2
9
3
11
125
1
1
4
128
90
396
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
1
4
3
4
4
3
2
1
1
2
2
1
1
1
1
1
3
1
Distance (km)
491
491
146
15
55
60
841
489
136
38
13
0
107
50
37
15
76
0
522
2
0
Best forecast wave conditions in Kanagawa
Rating
(10 max)
1
2
1
1
1
1
3
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
2
2
1
4
3
4
4
3
2
2
3
2
3
1
1
1
2
3
3
1
Header Global
Rating
(10 max)
6
9
8
7
9
8
7
8
7
6
5
9
9
9
6
5
6
8
9
8
9
  • 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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