Surf Forecast Surf Report

Asakawa surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 2 am Thursday 03 Apr 2025 JST
Forecast update in hr  min  s Forecast update imminent
Asakawa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Asakawa sea temperature is
18.0° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Asakawa this week:

The surf forecast for Asakawa over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 03) at 9AM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.6m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Asakawa in the next 12 days are 1.8m 7s and forecast to arrive on Sunday (Apr 06) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Thursday (Apr 03) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Thu 3rd Apr)3ft (0.9m) 10s
Best Surf 9AM (Thu 3rd Apr)3ft (0.9m) 10s
Most Powerful 9AM (Sun 6th Apr)6ft (1.8m) 7s

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

Updates in  hr  min  s Forecast update imminent
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
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
Swell
Height Map
Wave Height (m) & direction (?)
0.9
ESE
0.8
SE
0.7
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.6
ESE
1.6
SSW
1.8
SW
1.4
SW
0.7
SSW
0.4
ESE
0.4
ESE
0.5
ESE
0.5
ESE
0.6
ESE
0.7
ESE
0.5
ESE
0.5
ESE
0.5
ESE
1.7
SSW
2.2
S
2.1
S
1.5
S
1.2
S
0.9
S
0.6
S
0.8
SSW
0.7
S
0.9
SSW
1.5
SW
1.3
SW
1.7
SW
2.1
SW
1.4
SSW
Period(s) (?)1088888885766888889888679887666758889
Wave
Graph
(?)Metric surfscale
Energy (?)16697703129333547143271162352625373745673938412084876832891597428503081126196373619307
Wind
(km/h)
10
N
10
NNW
20
N
15
NNE
15
NNE
10
NNW
5
S
20
SSW
25
SSW
5
WSW
5
ENE
10
NW
0
NE
10
SE
10
NW
5
E
10
SSE
10
NW
5
SSE
10
SSE
15
WSW
15
SW
15
SW
10
NE
35
SSE
5
W
15
NW
15
NW
20
NNW
15
NNW
5
ENE
10
SSE
20
SSE
10
SSE
20
SW
25
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
off
cross-
off
offcross-
on
cross-
on
cross-
on
crossglasscross-
off
glassonoffglassoncross-
off
glassoncrosscross-
on
crosscross-
off
onglasscross-
off
cross-
off
offoffcrossonononcrosscross
High Tide
/ height (m)
10:21PM
1.47
8:41AM
1.61
12:06AM
1.36
9:21AM
1.46
2:31AM
1.39
11:08AM
1.32
3:32AM
1.47
1:55PM
1.31
4:03AM
1.55
3:16PM
1.42
4:27AM
1.61
4:07PM
1.53
4:48AM
1.67
4:47PM
1.63
5:08AM
1.71
5:23PM
1.71
5:28AM
1.74
5:56PM
1.75
5:47AM
1.76
6:28PM
1.77
6:07AM
1.76
7:01PM
1.75
Low Tide
/ height (m)
3:16PM
0.22
3:08AM
1.12
4:16PM
0.39
4:06AM
1.25
5:45PM
0.53
7:35AM
1.27
7:38PM
0.57
9:21AM
1.12
8:57PM
0.54
9:57AM
0.95
9:47PM
0.51
10:26AM
0.79
10:25PM
0.49
10:51AM
0.63
10:56PM
0.49
11:16AM
0.50
11:25PM
0.52
11:41AM
0.38
11:52PM
0.57
12:06PM
0.28
12:18AM
0.64
12:32PM
0.23
12:44AM
0.72
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Sunrise5:48--5:47--5:46--5:43--5:43--5:41--5:39--5:39--5:37--5:37--5:35--5:33--
Sunset-6:22--6:23--6:24--6:25--6:25--6:27--6:28--6:29--6:29--6:30--6:30--6:30-
clearpart cloudclearclearclearclearcloudcloudrain showersclearpart cloudclearclearclearpart cloudclearpart cloudpart cloudpart cloudclearpart cloudcloudlight rainheavy rainheavy rainthunderstorm clearclearclearpart cloudpart cloudlight rainheavy rainheavy rainrain showersclear
Rain (mm)
--------8-------------376503-----117171-
Temp. °C151510141510141514181713181813171814181815191816191915171813161717171310
Feels °C (?)1212591071010101616111515101516121515131517151820121414101516141894

Short Range Forecast: Light rain (total 8mm), mostly falling on Sat night. Very mild (max 15°C on Thu morning, min 6°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Sun morning, min 11°C on Sun night). Wind will be generally light.

Days 6-9 Weather Summary Heavy rain (total 132mm), heaviest during Thu night. Very mild (max 19°C on Thu morning, min 13°C on Fri night). Mainly fresh winds.

Long Range Forecast: Heavy rain (total 36mm), heaviest during Mon morning. Very mild (max 18°C on Sat afternoon, min 9°C on Mon night). Mainly fresh winds.

  • 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 Asakawa Surf forecast

The above surf forecast table for Asakawa provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Asakawa can be found by selecting the local surf guide option on the grey menu. Our Asakawa 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 (Asakawa) 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 Asakawa 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.

Are you planning a holiday in Shikoku? If you are looking for accommodation near Asakawa, camping, hotels and holiday cottages in Shikoku, consider staying in Anan which is 41 km (25 miles) away. Other places in and around Shikoku where you can find information about places to rent, and car hire include Muroto which is 44 km (27 miles) away, Komatsushima, Aki and Kamojima.

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