Osaki Point surfForecast / Shikoku / Japan

information circle16 Day Weather and Surf, issued 2 am Wednesday 25 Mar 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
18.3° 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 Friday (Mar 27) at 9AM. The primary swell is predicted to be 1.7m and 10s period. 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 3.5m 9s and forecast to arrive on Thursday (Mar 26) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Monday (Mar 30) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Fri 27th Mar)5.5ft (1.7m) 10s
Best Surf 9PM (Mon 30th Mar)10ft (3.0m) 8s
Most Powerful12AM (Thu 26th Mar)11ft (3.5m) 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 Heavy rain (total 40mm), heaviest during Wed night. Very mild (max 17°C on Thu afternoon, min 11°C on Thu night). Winds decreasing (strong winds from the NNE on Wed night, calm by Fri afternoon).

Days 3-6 Weather Summary Heavy rain (total 73mm), heaviest during Mon night. Very mild (max 18°C on Sat afternoon, min 14°C on Sat night). Winds increasing (calm on Sat morning, fresh winds from the SE by Mon afternoon).

Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
3
1
3
2
2
1
1
0
0
1
1
0
0
4
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
ESE
1.5
ESE
3.5
E
3
E
2.4
E
2
E
1.7
E
1.5
E
1.2
E
1
E
0.9
E
0.8
E
0.7
E
0.7
E
0.6
E
0.9
SSW
0.5
E
3
S
1.8
S
1.5
S
1.3
S
Period(s) (?)86910101010109101011101010599877
Wave
Graph
(?)Metric surfscale
Energy kJ (?)35138202716181231818552414251183146146100946643411285396243183
Wind
(km/h)
10
E
30
ENE
40
NNE
20
NNE
10
ENE
15
NNE
5
ENE
5
SE
5
W
5
E
10
SW
10
NNE
15
ENE
5
SE
15
SW
15
SSW
10
SE
15
WSW
10
NE
10
ENE
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
cross-
on
oncross-
on
glassglasscross-
off
glasscross-
off
cross-
on
onglassoffcross-
off
cross-
on
offononcross-
on
High Tide
/ height (m)
12:23AM
1.35
9:46AM
1.47
2:49AM
1.41
11:55AM
1.36
3:46AM
1.51
2:16PM
1.40
4:19AM
1.60
3:32PM
1.53
4:46AM
1.68
4:25PM
1.65
5:10AM
1.74
5:08PM
1.75
Low Tide
/ height (m)
4:33PM
0.40
4:21AM
1.24
6:13PM
0.50
7:44AM
1.26
8:04PM
0.49
9:23AM
1.11
9:18PM
0.43
10:06AM
0.92
10:08PM
0.37
10:39AM
0.74
10:47PM
0.36
11:09AM
0.57
11:21PM
0.38
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Sunrise6:01--6:00--5:58--5:56--5:56--5:54--5:52--
Sunset-6:16--6:17--6:19--6:19--6:20--6:21--6:22-
heavy rain
heavy rain
rain showers
part cloud
part cloud
clear
part cloud
cloud
cloud
clear
rain showers
part cloud
cloud
cloud
mod rain
light rain
heavy rain
rain showers
part cloud
rain showers
mod rain
Rain (mm)
131413-------1---832932-16
Temp. °C131414161714151414171815171717181718181917
Feels °C (?)1196141511131314171613151615161418171815
  • 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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