Hashikui Bay surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 pm 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
20.9° 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 10s primary swell from a Southeast direction and 0.1m 12s secondary swell from a Southeast direction, 0.3m 7s secondary swell from a Southeast direction (forecast issued at 08:00pm May 17). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 May)1.5ft (0.5m)10s
Afternoon (18 May)1.5ft (0.4m)8s
Evening (18 May)1.5ft (0.4m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 17mm), heaviest on Tue night. Warm (max 24°C on Mon morning, min 18°C on Mon night). Wind will be generally light.

Sun
17
Monday
18
Tuesday
19
Wednesday
20
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
0
0
0
1
1
0
0
0
0
0
0
0
1
1
0
1
1
1
1
1
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)
0.5
SE
9
0.3
SE
11
0.4
SE
10
0.3
SE
10
0.5
SE
10
0.5
SE
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
0.6
SE
11
0.6
SE
11
0.6
SE
11
0.6
SE
11
0.6
SE
11
0.6
SE
11
0.6
SE
11
0.9
SSE
8
0.9
S
7
Wave Graph
Metric surfscale
Energy kJ
37
25
26
16
47
47
24
17
26
27
28
28
28
71
71
72
72
72
92
92
90
90
107
84
Wind (km/h)
5
WSW
5
NW
5
WNW
5
W
5
WNW
5
S
15
SSE
15
S
10
S
5
SW
5
WSW
5
WSW
5
W
10
S
15
S
15
S
10
S
10
SSE
5
ESE
5
NE
10
NNE
10
N
5
NNE
10
NE
glassy
cross
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross-on
on
on
High Tide
6:47PM1.74m
5:46AM1.77m
7:27PM1.69m
6:19AM1.74m
8:10PM1.63m
6:55AM1.69m
Low Tide
00:14AM0.84m
12:38PM-0.03m
00:49AM0.90m
1:16PM0.01m
1:26AM0.95m
1:57PM0.10m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
light rain
light rain
mod rain
light rain
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:57
6:58
6:58
1
1
7
5
2
Temp °C
24
21
20
19
19
23
24
23
22
20
19
18
19
22
23
23
22
20
19
20
20
20
20
21
25
21
19
18
18
23
23
22
23
21
20
19
20
22
22
22
23
21
22
23
22
22
22
23
Swell 1
Height (m)
Direction
Period (s)
0.5
SE
9
0.4
ESE
8
0.4
SE
8
0.4
SE
7
0.5
SE
10
0.5
SE
10
0.4
SE
8
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
0.6
SE
11
0.6
SE
11
0.6
SE
11
0.6
SE
11
0.6
SE
11
0.6
SE
11
0.8
SSE
8
0.9
SSE
8
0.9
S
7
Energy kJ
37
25
16
14
47
47
17
17
26
27
28
28
28
71
71
72
72
72
92
92
90
90
107
79
Swell 2
Height (m)
Direction
Period (s)
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
4
0.3
SE
7
0.4
SE
7
0.3
SE
7
0.2
SSE
7
0.3
SSE
7
0.1
S
9
0.3
S
9
0.5
SE
11
0.6
SE
11
0.6
SE
10
0.6
SE
10
Energy kJ
19
19
26
16
6
6
24
16
9
15
4
8
14
9
5
9
2
14
56
90
89
84
Swell 3
Height (m)
Direction
Period (s)
0.2
NNE
3
0.1
SE
12
0.1
SE
10
0.1
SE
12
0.1
SE
12
0.1
SE
8
0.1
SE
12
0.4
SE
8
0.4
SE
4
Energy kJ
1
6
4
6
6
2
6
14
3
Wind waves
Height (m)
Direction
Period (s)
0.3
SE
7
0.4
SE
3
0.5
SE
4
0.4
SE
4
0.4
SE
4
0.3
SSE
3
0.2
SSE
3
0.4
SE
7
0.3
SSE
3
0.4
SSE
3
0.5
SSE
7
0.6
SSE
7
0.7
SSE
8
0.2
NNE
2
Energy kJ
9
2
6
5
3
2
1
12
1
5
26
29
75
1
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
2
2
2
2
Distance (km)
0
3
3
3
0
0
442
29
29
16
16
16
3
0
0
29
0
0
0
0
3
3
3
3
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
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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