Osaki Point surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 2 am Monday 08 Dec 2025 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
21.8° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Osaki Point this week:

The surf forecast for Osaki Point over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 09) at 12PM. The primary swell is predicted to be 0.6m and 9s period with a secondary swell of 0.9m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Osaki Point in the next 12 days are 3.0m 8s and forecast to arrive on Sunday (Dec 14) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 6s period and expected on Sunday (Dec 14) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Tue 9th Dec)3ft (0.9m) 6s
Best Surf12PM (Sun 14th Dec)10ft (3.0m) 8s
Most Powerful 9AM (Sun 14th Dec)10ft (3.0m) 8s

Table - best surf conditions forecast for Osaki Point over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 17°C on Mon morning, min 9°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sat night. Very mild (max 15°C on Thu morning, min 3°C on Fri night). Winds decreasing (fresh winds from the NNE on Fri morning, calm by Sat night).

Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
1
0
0
1
1
1
1
1
0
0
0
0
0
1
3
2
1
Swell
Height Map
Wave Height (m) & direction (?)
0.4
ESE
0.4
ESE
0.4
ESE
1.1
NNE
0.5
ESE
0.5
ESE
0.5
ESE
0.6
ESE
0.4
ESE
0.6
ESE
0.5
ESE
0.6
ESE
0.6
ESE
0.4
ESE
0.4
ESE
1.1
NE
0.5
E
0.6
E
3
SSW
2.4
WSW
1.4
ESE
Period(s) (?)99959999109101091111610118710
Wave
Graph
(?)Metric surfscale
Energy kJ (?)323032664444456440686377684337805386965571378
Wind
(km/h)
10
NW
5
WNW
10
NE
10
NE
5
S
10
NNW
5
N
5
SW
5
NW
10
W
15
WSW
10
WNW
30
NNE
20
NNE
25
NNE
20
NNE
15
ENE
5
NE
15
NNW
30
W
35
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glasscross-
on
cross-
on
cross-
off
crossglassoffglasscross-
off
offcross-
off
cross-
on
cross-
on
cross-
on
cross-
on
onglasscrossoffcross-
off
High Tide
/ height (m)
7:29PM
1.75
9:34AM
1.64
8:19PM
1.63
10:24AM
1.57
9:16PM
1.49
11:14AM
1.53
10:29PM
1.35
12:05PM
1.50
12:06AM
1.27
12:53PM
1.50
1:49AM
1.27
1:39PM
1.51
Low Tide
/ height (m)
2:02PM
1.01
2:32AM
0.10
2:54PM
1.02
3:20AM
0.28
3:55PM
1.01
4:10AM
0.46
5:08PM
0.97
5:05AM
0.64
6:30PM
0.89
6:07AM
0.80
7:42PM
0.77
7:17AM
0.91
8:37PM
0.64
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Sunrise6:52--6:54--6:54--6:56--6:56--6:56--6:58--
Sunset-4:54--4:54--4:54--4:54--4:54--4:55--4:55-
clear
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
rain showers
rain showers
clear
clear
Rain (mm)
-----------------212--
Temp. °C1717131313101313111515131111491011161810
Feels °C (?)151610111171110811111145-346914122
  • 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

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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 12 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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