Chokusen surfForecast / Kyu Shu / Japan

information circle48hr Weather and Surf, issued 8 pm Wednesday 20 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
22.9° C
(Which is normal for this time of year)

How big are the waves at Chokusen today?

The current surf forecast for Chokusen at 11PM is: 1.0m 10s primary swell from a East-southeast direction and 0.9m 7s secondary swell from a South direction (forecast issued at 08:00pm May 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (20 May)--
Afternoon (20 May)--
Evening (20 May)3.5ft (1.1m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 15mm), heaviest on Sat afternoon. Warm (max 25°C on Thu morning, min 19°C on Thu night). Winds decreasing (fresh winds from the SSW on Thu afternoon, light winds from the SE by Fri night).

Wed
20
Thursday
21
Friday
22
Saturday
23
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)
1
1
2
2
2
1
0
0
1
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
ESE
10
1.1
ESE
10
1
ESE
10
1.4
S
7
1.4
S
7
0.9
ESE
10
0.9
ESE
10
1.6
S
6
1.6
SSW
6
0.9
ESE
10
1.4
SSW
6
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.9
SE
9
0.9
SE
9
0.9
SE
9
0.9
ESE
9
Wave Graph
Metric surfscale
Energy kJ
183
218
183
173
178
163
173
213
218
139
151
103
103
103
103
103
103
100
100
100
128
128
125
151
Wind (km/h)
20
S
15
SSW
10
SW
15
WSW
15
SW
20
SW
25
SW
35
SSW
20
SW
15
SW
15
WSW
15
W
10
W
10
W
10
SE
15
SSE
10
ESE
10
SE
10
SE
10
SE
10
SE
15
ESE
15
ESE
10
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
High Tide
9:47PM1.76m
8:33AM1.77m
10:46PM1.67m
9:34AM1.63m
11:48PM1.60m
10:51AM1.49m
Low Tide
3:06AM1.07m
3:42PM0.12m
4:11AM1.08m
4:42PM0.29m
5:32AM1.05m
clear
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
rain showers
clear
clear
part cloud
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:13
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:06
7:07
7:07
7:07
4
2
1
2
Temp °C
25
23
23
23
23
25
25
23
24
23
22
21
19
22
23
23
23
22
22
22
21
22
23
21
26
24
25
25
25
25
24
21
25
25
23
21
19
22
22
23
23
23
23
23
21
21
23
23
Swell 1
Height (m)
Direction
Period (s)
1
ESE
10
1.1
ESE
10
1
ESE
10
1.3
SSE
7
1.2
SSE
7
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
1.2
S
6
1.1
S
6
0.9
S
6
0.8
SSW
6
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.9
SE
9
0.9
SE
9
0.9
SE
9
0.9
ESE
9
Energy kJ
183
218
183
141
139
163
163
129
129
119
95
64
51
103
103
103
103
100
100
100
128
128
125
151
Swell 2
Height (m)
Direction
Period (s)
0.9
ESE
6
0.9
SE
6
0.9
S
7
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.7
S
6
0.6
S
6
0.1
NE
5
0.6
S
6
0.5
S
6
0.5
S
6
0.4
S
5
0.2
NNE
5
0.2
NNE
4
0.1
NE
4
0.1
W
6
Energy kJ
62
56
73
166
163
129
103
103
103
35
25
1
23
16
16
9
2
2
1
1
Swell 3
Height (m)
Direction
Period (s)
0.9
SE
6
0.5
S
6
0.2
NNE
4
0.2
NNE
4
0.2
NNE
4
0.2
NNE
6
0.4
NE
6
0.1
SW
7
0.1
W
6
0.1
W
6
Energy kJ
58
19
2
2
2
3
8
2
1
1
Wind waves
Height (m)
Direction
Period (s)
1
S
7
0.9
S
7
1.4
S
7
1.4
S
7
1.2
S
7
1.5
S
6
1.6
S
6
1.6
SSW
6
1.4
SW
6
1.4
SSW
6
0.3
WSW
2
0.9
SW
6
0.6
W
7
0.7
WSW
6
0.6
S
6
0.6
WSW
4
0.5
WSW
7
0.3
WSW
4
0.3
SE
2
0.1
NE
4
Energy kJ
97
73
173
178
131
173
213
218
139
151
1
52
33
37
24
10
26
3
1
1
Nearest Offshore or Glassy
Rating
(10 max)
2
3
2
2
2
3
2
2
3
2
2
1
1
1
2
1
1
1
1
1
1
1
1
1
Distance (km)
297
12
0
0
0
297
18
297
12
0
0
0
0
0
297
338
33
33
32
33
33
33
33
12
Best forecast wave conditions in Kyu Shu
Rating
(10 max)
3
2
2
2
2
3
2
3
1
1
1
1
1
2
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
3
2
2
3
3
3
2
4
4
4
3
2
2
2
1
1
1
2
2
1
1
1
1
Header Global
Rating
(10 max)
4
4
4
5
5
5
5
5
5
5
5
5
4
5
5
7
7
7
6
5
5
5
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)
Map placeholder

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