Nichinan surfForecast / Kyu Shu / Japan

information circle48hr Weather and Surf, issued 2 am Thursday 23 Apr 2026 JST
Forecast update in hr  min  s Forecast update imminent
Nichinan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nichinan sea temperature is
21.2° C
(Which is normal for this time of year)

How big are the waves at Nichinan today?

The current surf forecast for Nichinan at 8AM is: 1.8m 7s primary swell from a South direction and 0.8m 10s secondary swell from a East direction, 1.3m 6s secondary swell from a South direction (forecast issued at 02:00am April 23). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (JST) & DateWave HeightWave Period
Morning (23 Apr)8ft (2.4m)7s
Afternoon (23 Apr)5ft (1.5m)7s
Evening (23 Apr)3.5ft (1.1m)7s

Table - waves today at Nichinan. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 42mm), heaviest during Thu morning. Very mild (max 18°C on Sat afternoon, min 15°C on Fri morning). Mainly fresh winds.

Thursday
23
Friday
24
Saturday
25
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
2
3
1
1
0
0
0
0
0
1
1
0
0
1
2
0
0
0
2
!
!
!
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.1
E
10
1
E
10
0.9
E
10
2.4
SSW
7
1.6
S
7
1.5
S
7
1.3
S
7
1.1
S
7
1
S
7
0.9
S
7
0.8
S
7
1.5
NE
7
1.6
NE
7
1.7
ENE
7
1.9
ENE
8
2
ENE
8
2.1
ENE
8
2.1
ENE
8
2.2
ENE
8
2.4
ENE
9
2.5
ENE
9
3
E
10
3
E
10
3
E
10
Wave Graph
Metric surfscale
Energy kJ
247
202
164
571
279
243
178
127
106
79
61
218
273
329
441
483
547
547
694
858
1156
1416
1747
1737
Wind (km/h)
20
NNE
15
NNE
10
N
20
N
15
NNE
10
NE
15
NE
20
NE
20
NE
20
NNE
20
NNE
25
NNE
25
NNE
25
NNE
25
NNE
25
NE
25
NNE
30
NE
30
NE
30
NE
30
NE
30
NE
30
ENE
30
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
cross
cross
cross-off
cross
cross
cross
High Tide
10:52PM1.56m
9:20AM1.60m
00:23AM1.47m
10:39AM1.44m
1:55AM1.48m
12:43PM1.35m
Low Tide
3:56AM1.13m
4:51PM0.28m
5:35AM1.17m
6:17PM0.41m
7:46AM1.08m
7:45PM0.47m
mod rain
heavy rain
heavy rain
heavy rain
cloud
light rain
light rain
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
part cloud
cloud
light rain
part cloud
cloud
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:37
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:47
6:47
6:49
6
12
19
26
1
1
1
1
1
1
1
2
3
Temp °C
16
16
17
17
17
17
16
16
16
16
16
15
15
15
15
15
16
16
16
17
17
18
18
18
14
15
17
15
16
16
14
13
13
13
13
11
11
11
11
12
13
11
11
12
13
14
14
14
Swell 1
Height (m)
Direction
Period (s)
1.1
E
10
1
E
10
0.9
E
10
1.8
S
7
1.6
S
7
1.5
S
7
1.3
S
7
1.1
S
7
1
S
7
0.9
S
7
0.8
S
7
0.7
S
7
0.6
S
6
0.5
S
6
0.4
SSE
6
0.4
SSE
6
0.3
SSE
6
0.3
SSE
6
0.3
S
6
0.2
S
6
0.2
S
6
Energy kJ
247
202
164
302
279
243
178
127
106
79
61
43
30
20
13
13
8
7
7
3
3
Swell 2
Height (m)
Direction
Period (s)
0.4
ESE
13
0.4
ESE
13
0.4
ESE
13
0.8
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.5
E
10
0.4
E
10
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.3
SE
12
0.3
SE
12
0.1
SE
12
Energy kJ
69
68
68
130
94
94
94
68
68
68
47
30
37
37
37
37
37
23
22
6
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
4
0.3
S
4
0.4
ESE
13
0.4
ESE
13
0.5
NE
5
0.4
SE
13
0.4
SE
13
0.4
SE
13
0.4
SE
13
0.4
SE
12
0.4
SE
12
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
W
7
0.1
SW
7
0.1
SW
7
0.1
SE
15
Energy kJ
3
3
67
67
10
44
43
43
42
40
38
2
2
2
2
1
2
2
8
Wind waves
Height (m)
Direction
Period (s)
0.5
S
4
1.3
S
6
2.4
SSW
7
0.4
NNE
4
0.7
NE
5
1.3
NE
6
1.1
NE
6
1.1
NE
6
1.4
NE
6
1.5
NE
7
1.6
NE
7
1.7
ENE
7
1.9
ENE
8
2
ENE
8
2.1
ENE
8
2.1
ENE
8
2.2
ENE
8
2.4
ENE
9
2.5
ENE
9
3
E
10
3
E
10
3
E
10
Energy kJ
8
105
571
7
23
112
92
83
131
218
273
329
441
483
547
547
694
858
1156
1416
1747
1737
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
4
2
3
3
2
1
1
1
1
1
1
2
2
2
3
4
4
3
2
5
4
Distance (km)
27
18
0
18
27
27
27
27
27
27
27
27
62
62
62
62
62
62
62
62
303
377
72
27
Best forecast wave conditions in Kyu Shu
Rating
(10 max)
2
2
2
4
2
3
3
2
1
1
1
1
1
1
2
2
2
3
4
4
5
4
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
4
2
3
3
2
2
2
2
1
1
1
2
2
2
3
4
4
3
2
5
4
Header Global
Rating
(10 max)
9
9
8
9
6
6
5
5
5
5
4
5
5
5
6
5
5
5
5
4
4
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)
Map placeholder

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