Surf Forecast Surf Report

Hashikui Bay surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 8 am Sunday 27 Apr 2025 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
18.4° C
(Which is 1.0°C colder than average for this time of year)


Best Forecast Surf Conditions for Hashikui Bay this week:

The surf forecast for Hashikui Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 02) at 6PM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.2m and 11s. Another secondary swell of 0.3m and 11s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hashikui Bay in the next 12 days are 2.2m 6s and forecast to arrive on Saturday (May 03) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Saturday (May 03) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Fri 2nd May)3.5ft (1.0m) 6s
Best Surf 6PM (Sat 3rd May)5ft (1.6m) 7s
Most Powerful12PM (Sat 3rd May)7ft (2.2m) 6s

Table - best surf conditions forecast for Hashikui Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
SE
0.2
ESE
0.2
ESE
0.1
SE
0.1
SE
0.3
SSE
0.4
SSE
0.7
SSE
0.4
SSE
0.4
SE
0.4
SE
0.3
SE
0.1
SE
1
SE
0.2
ESE
0.2
ESE
0.3
SE
0.9
SSE
2.1
S
2
S
0.9
SSW
0.6
SE
0.6
SE
0.7
SE
0.6
ESE
0.4
SE
0.5
SE
0.6
SSE
0.4
SSW
0.9
SSW
1.3
SSW
1.5
S
1.3
S
1.3
S
1.4
SSE
1.5
SE
Period(s) (?)88999467777712511111176777710108961615161915131211
Wave
Graph
(?)Metric surfscale
Energy (?)106933414421511117541121119783353526830359263164130843097931604753582548534
Wind
(km/h)
5
SSE
20
S
10
WSW
5
NW
10
NNE
10
WNW
20
N
5
SSW
5
NW
5
ESE
10
S
10
SW
15
S
25
SSE
30
S
20
S
15
SSE
5
NNW
25
SSW
35
SSW
15
N
10
NNE
10
ENE
15
NNW
5
ENE
10
S
5
W
10
NNE
10
E
5
NW
5
NNE
10
ENE
15
N
10
N
10
ENE
5
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offglassoncross-
off
cross-
on
glasscrossglasscross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
off
offcross-
on
ononcross-
on
cross-
on
cross-
off
glasscross-
on
cross-
on
cross-
off
ononcross-
on
cross-
on
onoff
High Tide
/ height (m)
5:54PM
1.76
5:27AM
1.73
6:32PM
1.75
5:53AM
1.74
7:10PM
1.70
6:21AM
1.73
7:51PM
1.63
6:49AM
1.68
8:37PM
1.53
7:21AM
1.61
9:31PM
1.43
7:57AM
1.51
10:42PM
1.35
8:47AM
1.38
12:12AM
1.34
10:19AM
1.26
1:29AM
1.38
12:36PM
1.24
2:19AM
1.44
2:13PM
1.34
2:56AM
1.51
3:16PM
1.47
Low Tide
/ height (m)
11:25AM
0.06
11:42PM
0.55
11:58AM
-0.02
12:13AM
0.63
12:31PM
-0.05
12:44AM
0.72
1:07PM
-0.03
1:15AM
0.82
1:45PM
0.04
1:49AM
0.92
2:27PM
0.15
2:32AM
1.01
3:19PM
0.28
3:36AM
1.08
4:26PM
0.42
5:32AM
1.09
5:55PM
0.52
7:27AM
0.97
7:22PM
0.56
8:29AM
0.79
8:29PM
0.56
9:11AM
0.59
9:20PM
0.57
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Sunrise5:18--5:16--5:16--5:15--5:13--5:13--5:11--5:11--5:09--5:09--5:07--5:07--
Sunset-6:40--6:42--6:42--6:43--6:44--6:45--6:45--6:45--6:46--6:47--6:49--6:49-
part cloudpart cloudcloudlight rainrain showersclearclearclearpart cloudclearclearclearclearpart cloudheavy rainrain showersrain showerspart cloudclearclearclearclearclearpart cloudcloudcloudrain showersclearclearclearclearclearpart cloudpart cloudcloudlight rain
Rain (mm)
---11---------1711---------2--------3
Temp. °C202016161613181814191916202018212017222217202016191917222217222318201917
Feels °C (?)171613151411121612171715161614201917171716171714171817202118182016171716

Short Range Forecast: Light rain (total 2mm), mostly falling on Mon morning. Warm (max 20°C on Sun morning, min 11°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 19mm), heaviest on Thu night. Warm (max 21°C on Fri morning, min 15°C on Wed night). Winds decreasing (fresh winds from the S on Thu night, calm by Fri afternoon).

Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Mon night. Warm (max 22°C on Sat morning, min 13°C on Sat night). Winds decreasing (fresh winds from the SSW on Sat morning, calm by Sun afternoon).

Long Range Forecast: Light rain (total 3mm), mostly falling on Thu night. Warm (max 23°C on Wed afternoon, min 15°C on Tue night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Hashikui Bay Surf forecast

The above surf forecast table for Hashikui Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Hashikui Bay can be found by selecting the local surf guide option on the grey menu. Our Hashikui Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Hashikui Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Hashikui Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Hashikui Bay is 23 km (14 miles) from Anan. If you plan a holiday in Shikoku, look for hotels and other accommodation in Anan. Anan has rooms for a wide range of budgets as well as car hire and transport links.

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