Nunoshima surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 2 am Saturday 06 Dec 2025 JST
Forecast update in hr  min  s Forecast update imminent
Nunoshima surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nunoshima sea temperature is
22.0° C
(Which is 1.4°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Nunoshima this week:

The surf forecast for Nunoshima over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 11) at 3AM. The primary swell is predicted to be 0.4m and 11s period with a secondary swell of 0.4m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Nunoshima in the next 12 days are 0.4m 11s and forecast to arrive on Thursday (Dec 11) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Friday (Dec 12) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Thu 11th Dec)1.5ft (0.4m) 11s
Best Surf 3AM (Thu 11th Dec)1.5ft (0.4m) 11s
Most Powerful 9AM (Thu 11th Dec)1.5ft (0.4m) 11s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 16°C on Mon morning, min 6°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 14°C on Thu morning, min 7°C on Tue night). Wind will be generally light.

Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.4
SE
0.3
SE
0.3
SE
0.3
SE
0.4
SE
0.5
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.3
ESE
0.3
ESE
Period(s) (?)1010109910101010999111010111010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)151514122115151633402020292627464240402119
Wind
(km/h)
0
WNW
15
S
10
NNW
5
WSW
5
SE
10
WNW
5
W
10
N
20
NNW
15
N
15
NNE
10
NNW
10
N
5
ENE
5
NW
10
N
5
NNE
20
NNW
30
NNE
30
N
25
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
offcross-
off
glasscross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
crossoffcross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
High Tide
/ height (m)
5:45PM
1.75
7:38AM
1.67
6:22PM
1.72
8:19AM
1.63
7:03PM
1.66
9:01AM
1.58
7:47PM
1.58
9:45AM
1.53
8:41PM
1.48
10:33AM
1.49
9:48PM
1.37
11:23AM
1.46
11:15PM
1.29
Low Tide
/ height (m)
12:18PM
0.92
12:42AM
-0.04
12:56PM
0.93
1:22AM
0.00
1:37PM
0.94
2:03AM
0.09
2:22PM
0.95
2:47AM
0.21
3:16PM
0.93
3:35AM
0.36
4:20PM
0.89
4:30AM
0.50
5:34PM
0.82
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Sunrise6:50--6:52--6:52--6:54--6:54--6:54--6:56--
Sunset-4:52--4:52--4:52--4:52--4:52--4:52--4:52-
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
Rain (mm)
---------------------
Temp. °C11138141512161610121381213101414109107
Feels °C (?)8951113101414578491071111613-1
  • 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 Nunoshima Surf forecast

The above surf forecast table for Nunoshima provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Nunoshima can be found by selecting the local surf guide option on the grey menu. Our Nunoshima 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 (Nunoshima) 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 Nunoshima 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.

Nunoshima is 19 km (12 miles) from Anan. If you plan a holiday in Shikoku, look for hotels and other accommodation in Anan. Anan has rooms for a wide range of budgets as well as car hire and transport links.

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