Chokusen surfForecast / Kyu Shu / Japan

information circle48hr Weather and Surf, issued 2 am Monday 18 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Chokusen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chokusen sea temperature is
22.2° C
(Which is slightly cooler than normal)

How big are the waves at Chokusen today?

The current surf forecast for Chokusen at 5AM is: 0.9m 8s primary swell from a East direction and 0.4m 11s secondary swell from a Southeast direction (forecast issued at 02:00am May 18). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 May)3ft (0.9m)8s
Afternoon (18 May)3ft (0.9m)9s
Evening (18 May)2.5ft (0.8m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 20mm), heaviest during Tue afternoon. Warm (max 24°C on Wed afternoon, min 21°C on Mon morning). Wind will be generally light.

Monday
18
Tuesday
19
Wednesday
20
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
1
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
1
1
1
1
0
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
E
8
1
E
8
0.9
E
8
0.9
E
8
0.9
E
9
0.9
ESE
9
0.9
ESE
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
1.3
ESE
6
1.3
ESE
6
1.5
SE
7
1.6
SE
7
1.6
SE
7
1.7
SE
8
1.7
SE
7
1.7
SSE
7
1.7
SSE
7
1.6
SSE
7
1.5
SSE
7
1.2
ESE
10
1.2
ESE
10
Wave Graph
Metric surfscale
Energy kJ
140
140
113
116
125
132
132
99
99
110
102
115
132
198
269
285
320
318
320
329
242
222
253
253
Wind (km/h)
5
WSW
5
WSW
5
NW
10
ENE
10
E
15
E
15
ESE
10
E
10
E
15
ENE
20
ENE
20
E
15
NE
20
NE
15
NE
10
NE
0
NNW
10
N
15
NNE
15
N
5
ENE
10
SSE
15
S
10
SW
off
off
cross-off
cross-on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
glassy
cross
cross
cross
on
cross
cross
cross-off
High Tide
6:14AM1.98m
7:59PM1.95m
6:56AM1.96m
8:51PM1.86m
7:42AM1.89m
Low Tide
00:40AM0.88m
1:05PM-0.19m
1:25AM0.97m
1:54PM-0.15m
2:12AM1.03m
2:46PM-0.04m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:15
5:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:05
7:06
1
3
5
5
2
3
1
Temp °C
21
20
20
21
22
23
23
22
21
21
21
22
21
21
21
21
22
21
21
22
23
24
24
23
22
20
21
21
22
22
22
22
21
20
19
20
21
21
22
23
26
23
22
23
26
26
25
25
Swell 1
Height (m)
Direction
Period (s)
1
E
8
1
E
8
0.9
E
8
0.9
E
8
0.9
E
9
0.9
ESE
9
0.9
ESE
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.7
ESE
10
1.6
SE
7
1.6
SE
7
1.7
SE
8
1.7
SE
7
1.7
SSE
7
1.7
SSE
7
1.6
SSE
7
1.5
SSE
7
1.3
SSE
7
1.2
ESE
10
Energy kJ
140
140
113
116
125
132
132
99
99
110
102
97
99
86
269
285
320
318
320
329
242
222
163
253
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
0.4
SE
12
0.2
ESE
12
0.2
ESE
12
0.2
ESE
10
0.3
SE
12
0.4
SE
10
0.4
SE
10
0.3
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.6
E
8
0.6
E
9
0.5
E
9
0.8
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
1
ESE
10
1
ESE
10
1.2
ESE
10
1.1
SSE
7
Energy kJ
27
27
35
14
14
10
22
28
28
20
30
29
29
43
60
39
120
159
163
166
179
179
253
132
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
12
0.4
SE
11
0.4
ESE
10
0.5
ESE
9
0.6
SE
7
Energy kJ
10
10
10
14
31
35
49
39
Wind waves
Height (m)
Direction
Period (s)
0.5
E
3
0.6
ESE
4
0.6
SE
4
0.7
SE
5
0.9
SE
5
1
ESE
6
1.3
ESE
6
1.3
ESE
6
1.5
SE
7
Energy kJ
6
9
16
27
42
75
115
132
198
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
2
1
1
2
1
2
2
1
3
3
2
4
3
3
3
3
2
2
Distance (km)
0
0
0
0
0
33
684
342
33
33
33
33
57
338
33
33
33
33
33
33
33
5
33
33
Best forecast wave conditions in Kyu Shu
Rating
(10 max)
1
1
1
1
1
1
1
2
1
2
2
3
3
3
4
3
3
3
3
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
1
1
1
1
1
2
1
1
2
1
3
3
1
3
3
3
4
3
3
3
3
2
2
Header Global
Rating
(10 max)
7
4
8
6
4
4
5
6
5
4
5
4
5
4
4
4
4
4
4
4
4
4
4
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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