Nunoshima surfForecast / Shikoku / Japan

information circle16 Day Weather and Surf, issued 2 am Tuesday 26 May 2026 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
21.0° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for Nunoshima this week:

The surf forecast for Nunoshima over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (May 28) at 9AM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.9m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Nunoshima in the next 16 days are 1.9m 14s and forecast to arrive on Tuesday (Jun 02) at 6AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Friday (May 29) at 6PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Thu 28th May)3ft (0.9m) 7s
Best Surf12PM (Mon 1st Jun)4.5ft (1.4m) 12s
Most Powerful 6AM (Tue 2nd Jun)6ft (1.9m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 71mm), heaviest during Wed night. Warm (max 24°C on Tue morning, min 20°C on Wed afternoon). Winds decreasing (fresh winds from the ESE on Wed night, calm by Thu night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Fri afternoon, min 16°C on Fri night). Wind will be generally light.

Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
1
1
1
1
1
0
0
0
1
2
2
1
2
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
ESE
8
0.9
SE
5
0.8
SE
5
0.4
SE
11
1.1
SE
5
1.6
SE
6
0.9
SSW
7
1.6
SSW
7
1
S
7
0.9
S
7
0.8
S
7
0.4
SW
7
0.2
SSW
6
0.2
ESE
9
0.4
S
14
0.8
S
13
1.1
S
12
1.1
S
13
1.2
S
12
1.5
S
12
1.2
S
14
Wave Graph
Metric surfscale
Energy kJ
116
47
40
29
58
206
62
272
91
76
59
11
6
8
61
209
362
392
441
692
585
Wind (km/h)
10
SE
20
S
10
SE
15
SE
25
SE
30
ESE
5
S
10
NE
0
NNW
5
ESE
10
NNW
15
NNW
10
NNE
5
ENE
10
NNW
10
NNE
10
S
5
SW
5
E
5
SSE
20
SE
on
cross-on
on
on
on
on
glassy
cross
glassy
glassy
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-on
cross
glassy
cross-on
on
High Tide
2:23PM1.41m
2:24AM1.56m
3:26PM1.51m
3:02AM1.62m
4:18PM1.61m
3:37AM1.68m
5:03PM1.69m
4:11AM1.73m
5:46PM1.73m
4:45AM1.77m
6:27PM1.75m
5:20AM1.79m
7:07PM1.74m
Low Tide
8:15PM0.75m
8:59AM0.49m
9:09PM0.79m
9:42AM0.33m
9:55PM0.82m
10:21AM0.19m
10:36PM0.85m
10:58AM0.08m
11:14PM0.88m
11:36AM0.01m
11:51PM0.92m
12:14PM-0.01m
00:27AM0.95m
rain showers
part cloud
light rain
mod rain
heavy rain
heavy rain
rain showers
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:52
4:52
4:52
4:52
4:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:02
7:04
7:04
7:05
7:06
7:06
1
4
7
20
35
1
1
2
4
Temp °C
24
23
21
21
21
23
24
24
22
26
27
18
24
25
21
25
24
20
24
25
21
24
22
22
21
19
27
28
27
26
28
28
14
22
24
21
24
23
21
25
26
23
Swell 1
Height (m)
Direction
Period (s)
0.6
SE
8
0.2
ESE
10
0.2
ESE
10
0.4
SE
11
0.1
SE
11
0.3
SE
10
0.9
SE
6
1
SSW
7
1
S
7
0.9
S
7
0.8
S
7
0.4
SW
7
0.2
SSW
6
0.2
ESE
9
0.4
S
14
0.8
S
13
1.1
S
12
1.1
S
13
1.2
S
12
1.5
S
12
1.2
S
14
Energy kJ
45
10
10
29
5
16
62
111
91
76
59
11
4
8
61
209
362
392
441
692
585
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
10
0.2
ESE
8
0.1
SE
8
0.1
SE
15
0.1
SE
14
0.1
SE
14
0.9
SSW
7
0.6
SE
6
0.2
ESE
10
0.2
ESE
10
0.3
SE
10
0.3
SSE
6
0.1
SE
12
0.2
SSE
7
0.3
SSE
6
0.3
SE
9
0.4
SE
12
0.3
SE
12
0.4
SE
4
0.3
SE
11
1.1
S
12
Energy kJ
10
7
3
8
8
7
62
23
9
10
14
8
6
4
6
12
35
21
7
19
325
Swell 3
Height (m)
Direction
Period (s)
0.2
S
6
0.1
SE
15
0.1
SE
15
0.3
SE
10
0.3
SE
10
0.1
SE
9
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.2
S
6
0.1
SE
12
0.2
ESE
12
0.2
ESE
12
0.2
SSE
8
0.3
SE
11
0.3
SE
11
Energy kJ
3
9
9
15
15
3
6
6
6
3
6
14
13
6
19
19
Wind waves
Height (m)
Direction
Period (s)
1
ESE
8
0.9
SE
5
0.8
SE
5
0.7
SE
5
1.1
SE
5
1.6
SE
6
1.6
SSW
7
0.2
NNE
2
0.3
NNW
3
0.7
NNW
4
0.9
NNW
4
0.3
NNE
3
0.3
NNE
3
0.8
ESE
12
0.8
SE
5
0.4
ESE
4
0.6
SE
4
0.8
SE
5
Energy kJ
116
47
40
23
58
206
272
1
2
14
34
1
1
171
30
8
12
29
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
2
1
2
1
2
1
1
1
1
1
1
1
2
3
2
2
3
4
Distance (km)
66
66
66
66
359
34
0
2
0
0
0
2
2
20
0
0
4
4
0
4
66
Best forecast wave conditions in Shikoku
Rating
(10 max)
2
2
2
2
2
2
2
1
1
1
1
1
1
1
2
3
3
2
3
4
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
2
2
2
2
1
1
1
2
1
2
1
2
3
3
2
3
4
Header Global
Rating
(10 max)
5
5
9
6
7
9
6
7
6
6
5
5
4
5
4
7
4
5
6
5
6
  • 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 16 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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