Hanamizu River Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River 48 hour detailed Surf Forecast

Issued: 2 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
26.8° C
0.2° 

Hanamizu River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Hanamizu River today (20 Aug):

  • Afternoon surf: Afternoon surf (20 Aug, local time) - 0.5ft (0.2m), 9s period with SSW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 0.5ft (0.2m), 8s period with SSW swell.

The current surf forecast for Hanamizu River at 6PM is: 0.2m 9s primary swell from a South-southwest direction and 0.1m 11s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a South-southeast direction (forecast issued at 02:00pm August 20). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Aug)--
Afternoon (20 Aug)0.5ft (0.2m)9s
Evening (20 Aug)0.5ft (0.2m)8s

Table - waves today at Hanamizu River. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 15mm), heaviest on Sat night. Warm (max 28°C on Fri afternoon, min 24°C on Sat night). Wind will be generally light.

Thu
20
Friday
21
Saturday
22
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
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
SSE
6
0.2
SSW
9
0.2
SSW
9
0.2
SSW
8
0.2
S
10
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.7
S
9
0.8
S
9
0.9
SSW
4
0.8
SSW
9
0.4
SSW
9
0.4
SSW
10
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
Wave Graph
Metric surfscale
Energy kJ
4
8
8
7
8
25
27
27
78
101
27
106
35
36
34
32
32
32
32
32
Wind (km/h)
10
SSE
15
S
15
S
10
SSW
10
SW
5
WSW
5
W
5
SSE
15
S
20
S
15
SW
10
WSW
10
SW
10
WSW
5
W
5
SE
10
SSE
10
SSE
5
S
10
NW
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-on
cross-on
cross-on
cross
cross-off
cross
cross-off
glassy
glassy
cross-on
on
glassy
off
High Tide
10:11AM1.02m
8:20PM1.36m
8:48PM1.29m
Low Tide
1:46PM0.94m
4:30AM0.52m
6:10AM0.53m
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:24
6:23
 mm
1
1
1
1
1
1
3
Temp °C
28
27
26
26
26
25
25
27
27
28
27
26
26
26
26
27
28
28
28
27
Feels °C
31
29
29
29
30
28
29
30
29
30
29
29
29
30
30
31
31
31
33
31
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Hanamizu River surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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