Hashikui Bay surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 pm Monday 18 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
21.3° 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 11PM is: 0.4m 10s primary swell from a Southeast direction and 0.4m 4s secondary swell from a Southeast direction (forecast issued at 08:00pm May 18). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 May)--
Afternoon (18 May)--
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 16mm), heaviest on Wed morning. Warm (max 24°C on Thu afternoon, min 18°C on Mon night). Winds increasing (calm on Wed morning, fresh winds from the SSW 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
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
2
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.4
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
0.6
SE
10
0.6
SE
10
0.6
SE
10
1.2
S
6
1.2
S
6
1.2
S
6
1.4
S
7
1.6
S
7
1.7
S
7
2.1
SSW
7
Wave Graph
Metric surfscale
Energy kJ
26
27
28
28
28
71
71
72
72
92
92
92
90
90
89
84
82
112
109
109
167
233
266
431
Wind (km/h)
10
SSW
10
SW
10
WSW
10
WSW
10
WSW
10
S
20
S
20
S
15
S
10
SW
10
SW
10
SW
5
SW
0
NW
0
S
5
S
5
S
5
SSW
10
SW
15
SW
10
SSW
20
SSW
30
SSW
25
SW
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
glassy
glassy
glassy
glassy
cross-off
glassy
off
off
off
off
off
off
High Tide
7:27PM1.69m
6:19AM1.74m
8:10PM1.63m
6:55AM1.69m
8:56PM1.57m
7:34AM1.61m
Low Tide
00:49AM0.90m
1:16PM0.01m
1:26AM0.95m
1:57PM0.10m
2:09AM1.00m
2:42PM0.22m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
mod rain
light rain
light rain
light rain
cloud
part cloud
cloud
cloud
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:57
6:58
6:58
6:59
7
2
2
1
1
3
Temp °C
22
20
19
18
18
22
23
23
22
20
20
20
20
20
21
21
21
21
21
21
21
22
23
24
22
21
20
18
18
22
21
22
23
21
21
21
22
23
25
24
24
24
23
22
22
22
22
24
Swell 1
Height (m)
Direction
Period (s)
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
0.6
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
10
0.6
SE
10
0.6
SE
10
1.2
S
6
0.6
SE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
9
0.6
ESE
9
0.5
SE
10
Energy kJ
26
27
3
28
19
71
71
72
72
92
92
92
90
90
89
84
82
112
79
63
60
56
55
44
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
7
0.4
SE
8
0.4
SE
10
0.3
SE
7
0.4
SE
10
0.3
SE
11
0.2
SSE
7
0.4
SSE
7
0.4
SSE
7
0.4
SSE
7
0.4
SSE
7
0.5
S
7
0.6
SE
10
Energy kJ
9
15
28
8
28
18
4
19
15
15
15
23
80
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.4
SE
8
0.2
S
8
0.1
S
8
Energy kJ
6
14
5
1
Wind waves
Height (m)
Direction
Period (s)
0.5
SSE
3
0.4
SSE
4
0.3
SSE
3
0.3
SSE
4
0.3
SSE
2
0.4
SSE
3
0.3
SSE
3
0.4
SSE
7
0.5
SSE
7
0.8
SSE
5
1.1
SSE
6
1.2
S
6
1.2
S
6
1.4
S
7
1.6
S
7
1.7
S
7
2.1
SSW
7
Energy kJ
7
5
2
2
1
3
2
15
26
39
83
109
109
167
233
266
431
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
1
1
2
Distance (km)
563
29
29
16
16
16
16
0
29
29
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
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
2
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
4
6
5
4
4
5
5
4
4
4
4
4
4
4
4
4
5
5
4
5
5
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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