Osaki Point surfForecast / Shikoku / Japan

information circle16 Day Weather and Surf, issued 2 pm Thursday 14 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Osaki Point surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Osaki Point sea temperature is
20.6° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Osaki Point this week:

The surf forecast for Osaki Point over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 16) at 6PM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.3m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Osaki Point in the next 16 days are 1.4m 9s and forecast to arrive on Thursday (May 21) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (May 19) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Sat 16th May)4ft (1.2m) 8s
Best Surf 9AM (Sun 17th May)4ft (1.2m) 9s
Most Powerful 3PM (Thu 21st May)4.5ft (1.4m) 9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Thu afternoon. Warm (max 22°C on Sun morning, min 17°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Mon afternoon, min 19°C on Sun night). Wind will be generally light.

Thu
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
1
0
0
0
1
0
1
1
2
2
2
2
1
1
1
1
1
2
1
2
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)
1.2
E
10
1
E
10
0.9
ESE
9
1.3
ESE
9
1.3
ESE
8
1.5
E
7
0.8
ESE
9
1.2
ESE
8
1.2
ESE
9
1.2
ESE
9
1.2
ESE
10
1.1
ESE
9
1
ESE
9
0.9
ESE
9
0.7
E
8
0.9
ESE
9
0.9
ESE
10
1
SE
10
1
SE
10
1.1
SE
10
0.9
ESE
10
Wave Graph
Metric surfscale
Energy kJ
279
192
141
295
240
243
113
168
213
213
253
220
173
132
71
136
160
208
196
220
145
Wind (km/h)
10
N
15
NNE
15
ENE
15
E
10
ENE
10
E
10
ESE
5
WNW
5
E
5
SSW
10
NW
0
SSW
10
SSW
15
W
5
SW
10
SW
15
W
0
NNE
5
SE
5
NNW
20
NNE
cross
cross-on
on
cross-on
on
cross-on
cross-on
glassy
glassy
glassy
cross-off
glassy
cross-off
cross-off
glassy
cross-off
cross-off
glassy
glassy
glassy
cross-on
High Tide
4:22PM1.67m
4:03AM1.77m
5:13PM1.78m
4:38AM1.82m
6:02PM1.85m
5:14AM1.86m
6:52PM1.86m
5:52AM1.87m
7:42PM1.81m
6:33AM1.85m
8:35PM1.74m
7:16AM1.78m
9:31PM1.65m
8:05AM1.68m
Low Tide
10:09PM0.69m
10:38AM0.18m
10:54PM0.74m
11:19AM0.01m
11:38PM0.80m
12:02PM-0.09m
00:20AM0.88m
12:47PM-0.12m
1:04AM0.95m
1:34PM-0.07m
1:50AM1.02m
2:24PM0.03m
2:42AM1.07m
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
5:01
5:01
5:01
5:00
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:53
6:54
6:55
6:57
6:57
6:58
6:59
7:00
5
5
Temp °C
20
20
20
21
19
21
21
19
22
22
20
23
24
21
23
24
21
23
23
22
18
19
19
18
20
20
20
20
20
22
22
20
23
24
21
24
23
21
24
24
23
16
Swell 1
Height (m)
Direction
Period (s)
1.2
E
10
1
E
10
0.9
ESE
9
0.3
SE
11
1.3
ESE
8
1.2
ESE
7
0.9
ESE
6
1.2
ESE
8
1.2
ESE
9
1.2
ESE
9
1.2
ESE
10
1.1
ESE
9
1
ESE
9
0.9
ESE
9
0.7
E
8
0.9
ESE
9
0.9
ESE
10
1
SE
10
1
SE
10
1.1
SE
10
0.9
ESE
10
Energy kJ
279
192
141
20
240
160
64
168
213
213
253
220
173
132
71
136
160
208
196
220
145
Swell 2
Height (m)
Direction
Period (s)
0.2
S
7
0.2
S
7
0.3
SE
11
0.2
S
7
0.3
SE
11
0.4
ESE
9
0.8
ESE
9
0.4
SE
10
0.1
SE
14
0.3
SE
12
0.1
SE
12
0.1
SE
12
0.4
SE
11
0.5
SE
11
0.3
SW
3
0.4
S
6
0.4
SSE
6
Energy kJ
4
4
20
4
19
28
88
25
8
22
6
6
31
56
2
10
13
Swell 3
Height (m)
Direction
Period (s)
0.2
S
7
0.1
SE
16
0.1
S
6
0.3
SE
11
0.3
SE
11
0.1
SE
10
0.1
SE
12
0.1
SE
12
0.4
SE
11
0.4
SW
3
Energy kJ
4
10
1
19
18
4
6
6
30
3
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
4
0.4
NE
3
0.8
ENE
4
1.3
ESE
9
1.5
E
7
1.2
E
6
0.3
SW
3
0.4
SW
4
0.4
SW
3
0.3
SW
3
Energy kJ
5
3
25
295
243
113
1
4
3
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
2
1
1
1
2
2
2
2
1
1
1
1
1
2
1
2
1
Distance (km)
16
16
22
22
16
49
49
0
0
0
0
0
0
0
0
0
0
0
0
0
22
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
2
2
2
2
1
1
1
2
2
2
2
1
1
1
1
1
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
2
2
2
2
1
1
1
2
2
2
2
2
2
2
1
1
2
2
2
2
Header Global
Rating
(10 max)
4
5
5
5
5
5
4
7
5
5
5
4
7
4
5
5
5
5
5
5
4
  • 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 Point Surf forecast

The above surf forecast table for Osaki Point provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Osaki Point can be found by selecting the local surf guide option on the grey menu. Our Osaki Point 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 Point) 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 Point 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 Point is 14 km (9 miles) from Muroto. If you plan a holiday in Shikoku, look for hotels and other accommodation in Muroto. Muroto has rooms for a wide range of budgets as well as car hire and transport links.

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