Chokusen surfForecast / Kyu Shu / Japan

information circle48hr Weather and Surf, issued 8 pm 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
22.5° C
(Which is slightly cooler than normal)

How big are the waves at Chokusen today?

The current surf forecast for Chokusen at 2AM is: 0.9m 9s primary swell from a East direction and 0.3m 11s secondary swell from a Southeast direction, 0.8m 5s secondary swell from a Southeast direction (forecast issued at 08:00pm May 18). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 May)2.5ft (0.8m)9s
Afternoon (19 May)3.5ft (1.1m)7s
Evening (19 May)4.5ft (1.4m)7s

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 night. Warm (max 25°C on Wed afternoon, min 21°C on Mon night). Winds increasing (calm on Wed morning, fresh winds from the SW by Thu morning).

Mon
18
Tuesday
19
Wednesday
20
Thursday
21
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
2
1
1
1
2
0
0
2
2
1
0
0
0
1
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
ESE
9
0.9
ESE
9
0.8
E
9
0.9
E
9
0.8
E
9
0.8
E
9
1.1
SE
6
1.1
SE
7
1.4
ESE
7
1.4
SE
7
1.4
SE
7
1.5
SE
7
1.6
SE
7
1.6
SE
7
1.6
SE
7
1.4
SE
7
1.2
ESE
10
1.2
ESE
10
1.1
ESE
10
1
ESE
10
0.9
ESE
10
0.9
ESE
10
1.6
S
6
1.9
SSW
6
Wave Graph
Metric surfscale
Energy kJ
132
137
99
142
102
93
85
132
208
158
168
200
273
273
254
200
253
258
218
205
166
163
196
312
Wind (km/h)
10
ESE
10
ESE
10
E
15
E
15
E
15
E
20
ENE
20
E
15
ENE
15
NE
15
NNW
10
N
10
NNE
10
N
5
SE
20
S
20
S
15
SSW
15
WSW
15
SW
25
SSW
30
SW
30
SW
25
SW
cross-on
on
on
on
on
on
on
on
cross-on
cross-on
cross-off
cross
cross
cross
glassy
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:59PM1.95m
6:56AM1.96m
8:51PM1.86m
7:42AM1.89m
9:47PM1.76m
8:33AM1.77m
Low Tide
1:25AM0.97m
1:54PM-0.15m
2:12AM1.03m
2:46PM-0.04m
3:06AM1.07m
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light rain
light rain
light rain
light rain
rain showers
rain showers
rain showers
clear
clear
clear
part cloud
cloud
light rain
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:15
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:05
7:06
7:07
1
5
4
1
1
1
1
1
3
1
1
Temp °C
23
21
21
21
21
22
22
22
21
21
21
21
22
22
24
25
24
23
23
22
23
23
23
24
23
21
22
20
20
21
20
21
21
22
22
23
25
24
28
25
25
25
25
23
23
22
22
24
Swell 1
Height (m)
Direction
Period (s)
0.9
ESE
9
0.9
ESE
9
0.8
E
9
0.9
E
9
0.8
E
9
0.8
E
9
1.1
SE
6
1.1
SE
7
1.2
SE
6
1.4
SE
7
1.4
SE
7
1.5
SE
7
1.6
SE
7
1.6
SE
7
1.6
SE
7
1.4
SE
7
1.2
ESE
10
1.2
ESE
10
1.1
ESE
10
1
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
Energy kJ
132
137
99
142
102
93
85
132
123
158
168
200
273
273
254
200
253
258
218
205
166
163
163
129
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
12
0.4
SE
10
0.6
SE
5
0.3
SE
11
0.4
SE
11
0.4
SE
11
0.7
E
8
0.6
ESE
10
0.7
ESE
10
0.8
ESE
9
0.9
ESE
9
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.6
SE
7
0.7
SE
7
0.7
SE
6
Energy kJ
22
28
14
20
30
29
69
80
90
98
153
163
135
137
137
169
36
52
42
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
ESE
11
0.5
E
8
0.5
E
8
Energy kJ
28
44
36
33
Wind waves
Height (m)
Direction
Period (s)
0.6
ESE
4
0.6
SE
5
0.8
SE
5
0.9
SE
6
1
SE
6
0.6
E
8
1.4
ESE
7
1.1
SSE
7
1.1
S
7
1
S
7
0.9
S
7
0.8
SSW
7
1.3
S
6
1.6
S
6
1.9
SSW
6
Energy kJ
11
19
34
47
68
50
208
132
113
91
70
60
128
196
312
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
2
1
1
1
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
Distance (km)
33
27
18
33
33
79
342
342
33
33
0
1
1
1
0
309
248
0
0
12
297
338
614
0
Best forecast wave conditions in Kyu Shu
Rating
(10 max)
1
1
2
1
2
1
2
2
2
2
2
2
3
1
3
3
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
2
1
2
1
1
1
2
2
2
2
2
2
3
2
2
3
3
2
2
2
2
3
Header Global
Rating
(10 max)
4
4
4
5
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
5
5
5
4
5
  • 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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