Hashikui Bay surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 2 am Sunday 17 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Hashikui Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hashikui Bay sea temperature is
20.8° C
(Which is normal for this time of year)

How big are the waves at Hashikui Bay today?

The current surf forecast for Hashikui Bay at 5AM is: 0.5m 8s primary swell from a Southeast direction and 0.3m 10s secondary swell from a Southeast direction (forecast issued at 02:00am May 17). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (17 May)1.5ft (0.5m)8s
Afternoon (17 May)1.5ft (0.5m)8s
Evening (17 May)1ft (0.3m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 36mm), heaviest during Tue night. Warm (max 26°C on Sun afternoon, min 18°C on Mon night). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
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
0
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
1
1
0
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.6
SE
8
0.6
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
9
0.3
SE
11
0.4
SE
10
0.3
SE
10
0.5
SE
10
0.4
ESE
10
0.4
SE
10
0.4
SE
8
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.6
SE
11
0.6
SE
11
0.7
SE
11
0.8
SE
11
0.6
SE
11
Wave Graph
Metric surfscale
Energy kJ
37
37
29
30
31
35
37
25
26
16
47
38
24
17
26
27
28
28
28
71
90
112
137
72
Wind (km/h)
5
W
5
NW
5
NW
5
NE
10
ENE
5
NE
5
WSW
5
NW
5
WNW
5
W
5
NW
5
SSE
15
SSE
15
S
10
S
5
SW
5
WSW
5
W
5
WNW
10
SSE
15
SSE
15
S
10
SSE
5
ESE
cross-off
cross
cross
on
on
on
cross-off
glassy
cross-off
glassy
glassy
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
glassy
High Tide
5:15AM1.76m
6:47PM1.74m
5:46AM1.77m
7:27PM1.69m
6:19AM1.74m
8:10PM1.63m
Low Tide
11:40PM0.78m
12:01PM-0.03m
00:14AM0.84m
12:38PM-0.03m
00:49AM0.90m
1:16PM0.01m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:57
6:58
1
Temp °C
19
18
18
22
25
26
24
21
20
19
19
23
24
24
22
19
19
18
19
22
23
23
20
19
20
18
17
22
24
25
25
21
19
18
19
24
23
23
23
20
20
19
20
22
23
22
21
21
Swell 1
Height (m)
Direction
Period (s)
0.6
SE
8
0.6
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
9
0.4
ESE
8
0.4
SE
8
0.4
SE
7
0.5
SE
10
0.4
ESE
10
0.4
SE
8
0.4
SE
8
0.4
SE
10
0.4
SE
10
0.4
SE
4
0.4
SE
10
0.4
SE
7
0.6
SE
11
0.6
SE
11
0.7
SE
11
0.1
S
9
0.6
SE
11
Energy kJ
37
37
29
30
31
35
37
25
16
14
47
38
16
17
26
27
3
28
19
71
90
112
2
72
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
11
0.3
SE
11
0.4
SE
10
0.3
SE
10
0.1
SE
12
0.1
SE
12
0.4
SE
10
0.3
SE
10
0.3
SE
7
0.4
SE
8
0.4
SE
10
0.4
SE
4
0.4
SE
10
0.3
SE
7
0.1
S
9
0.2
S
9
0.2
S
9
Energy kJ
16
16
16
16
16
16
19
19
26
16
6
6
24
16
9
15
28
4
28
9
2
6
7
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.2
NNE
3
0.2
NNE
3
0.1
SE
12
0.1
SE
12
0.1
SE
7
0.2
SSE
8
0.1
SE
12
0.3
ESE
10
0.4
SE
8
0.3
SE
7
Energy kJ
8
8
8
8
8
8
1
1
6
6
2
6
6
19
14
8
Wind waves
Height (m)
Direction
Period (s)
0.2
NNE
2
0.4
NE
3
0.3
SSE
8
0.4
SSE
3
0.4
SSE
4
0.4
SE
4
0.4
SE
3
0.4
SE
4
0.3
SSE
4
0.8
SE
11
0.5
SSE
7
Energy kJ
1
2
11
3
5
4
3
3
3
137
26
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
Distance (km)
0
3
3
3
3
3
0
3
3
3
0
16
404
29
0
16
16
16
3
0
0
322
0
0
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
2
2
Header Global
Rating
(10 max)
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
5
5
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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