Surf Forecast Surf Report

Asakawa surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 2 am Tuesday 04 Mar 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
15.6° C
(Which is 1.6°C colder than average 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 Tuesday (Mar 04) at 6AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.3m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Asakawa in the next 12 days are 4.0m 10s and forecast to arrive on Tuesday (Mar 04) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Friday (Mar 07) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Tue 4th Mar)2.5ft (0.8m) 9s
Best Surf12AM (Wed 5th Mar)10ft (3.0m) 10s
Most Powerful 9PM (Tue 4th Mar)13ft (4.0m) 10s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
04
Wednesday
05
Thursday
06
Friday
07
Saturday
08
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
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 (?)
1
E
3
ESE
3
ESE
1.8
ESE
1.5
ESE
0.8
ESE
0.5
E
0.4
ESE
0.2
E
0.3
SE
0.3
SE
0.3
E
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.7
ESE
0.8
ESE
0.9
ESE
0.9
ESE
0.9
ESE
1
ESE
0.9
ESE
1.8
ESE
1.6
SE
1.6
SSE
1.7
SSW
1.1
E
1.1
E
1
E
0.9
ESE
0.9
E
0.7
E
0.6
E
0.9
ESE
1.2
E
Period(s) (?)101010101099991111101010998889999666812121212121212912
Wave
Graph
(?)Metric surfscale
Energy (?)184150214556163991084026619181828262120506610113413715111922219518031033034728923222413996144411
Wind
(km/h)
15
NE
25
ESE
10
NE
10
NE
10
NNE
20
N
20
N
20
N
20
NNW
25
N
25
NNE
20
N
10
NNE
10
E
10
NNW
10
NNE
15
NE
10
N
5
SSE
5
S
5
NE
10
NNE
5
NNE
5
NNW
5
NNE
10
NE
15
N
5
NE
10
SE
5
SW
15
SSE
15
SSW
15
SW
25
NNE
30
N
35
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
crossoffcross-
off
cross-
off
cross-
off
glassglasscross-
off
cross-
off
glassoffcross-
off
cross-
off
offcross-
off
cross-
on
glassoncross-
on
crosscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
9:15PM
1.65
8:47AM
1.74
10:17PM
1.47
9:17AM
1.64
11:54PM
1.32
9:54AM
1.52
3:02AM 11:09AM
1.33 1.39
4:18AM
1.45
1:52PM
1.36
4:49AM
1.55
3:24PM
1.46
5:13AM
1.62
4:19PM
1.59
5:36AM
1.68
5:01PM
1.69
5:56AM
1.73
5:37PM
1.77
6:16AM
1.76
6:10PM
1.81
6:35AM
1.77
6:43PM
1.81
Low Tide
/ height (m)
2:49PM
0.26
2:52AM
0.77
3:36PM
0.32
3:25AM
0.98
4:36PM
0.42
4:04AM
1.16
6:05PM
0.52
6:16AM
1.30
8:03PM
0.53
9:34AM
1.22
9:27PM
0.45
10:21AM
1.07
10:19PM
0.36
10:52AM
0.92
10:58PM
0.30
11:19AM
0.78
11:30PM
0.28
11:45AM
0.65
11:58PM
0.29
12:11PM
0.53
12:25AM
0.34
12:36PM
0.44
12:50AM
0.42
Tuesday
04
Wednesday
05
Thursday
06
Friday
07
Saturday
08
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunrise6:28--6:26--6:24--6:24--6:22--6:22--6:20--6:18--6:18--6:16--6:15--6:13--
Sunset-6:00--6:00--6:01--6:02--6:02--6:04--6:05--6:06--6:07--6:07--6:07--6:08-
mod rainheavy rainheavy rainlight rainpart cloudpart cloudcloudpart cloudclearclearclearcloudcloudpart cloudclearpart cloudpart cloudpart cloudcloudlight rainlight rainlight rainlight rainclearclearclearclearclearpart cloudpart cloudlight rainlight rainheavy rainheavy rainmod rainpart cloud
Rain (mm)
919121---------------3314-------1116497-
Temp. °C9131411119109599410107121391312111313131919141616151919171165
Feels °C (?)681199543-122-2774885101191212121818121415151717166-2-4

Short Range Forecast: Heavy rain (total 41mm), heaviest during Tue afternoon. Very mild (max 14°C on Tue night, min 3°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 13°C on Sun afternoon, min 3°C on Fri night). Wind will be generally light.

Days 6-9 Weather Summary Moderate rain (total 11mm), heaviest on Tue afternoon. Very mild (max 19°C on Wed morning, min 10°C on Mon night). Wind will be generally light.

Long Range Forecast: Heavy rain (total 74mm), heaviest during Sat morning. Very mild (max 19°C on Fri morning, min 2°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the N by Sat night).

  • 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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