Hanamizu River Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River 48 hour detailed Surf Forecast

Issued: 8 am 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):

  • Morning surf: Morning surf (20 Aug, local time) - 0.5ft (0.2m), 6s period with SSE swell.
  • 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 12PM is: 0.1m 11s primary swell from a Southeast direction and 0.2m 6s secondary swell from a South-southeast direction (forecast issued at 08:00am August 20). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Aug)0.5ft (0.2m)6s
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 11mm), heaviest on Sat night. Warm (max 28°C on Sat morning, min 25°C on Thu night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
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
6 PM
9 PM
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
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
SSE
6
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
0.9
S
4
0.9
SSW
4
0.4
SSW
9
0.4
SSW
9
0.4
SSW
10
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.8
S
9
0.4
SSW
9
0.4
SSW
9
Wave Graph
Metric surfscale
Energy kJ
4
4
4
8
8
7
8
25
27
27
78
23
27
26
35
36
34
32
32
103
32
32
Wind (km/h)
5
SSW
10
SSE
10
SSE
15
S
10
S
10
SSW
10
SW
10
WSW
5
W
10
SSE
20
S
20
S
15
SSW
10
WSW
10
WSW
5
WSW
5
W
5
SSE
15
SSE
15
S
5
SSW
5
WNW
Wind State
glassy
on
on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross-on
glassy
cross-off
High Tide
10:11AM1.02m
8:20PM1.36m
8:48PM1.29m
Low Tide
3:21AM0.48m
1:46PM0.94m
4:30AM0.52m
6:10AM0.53m
clear
part cloud
part cloud
part cloud
cloud
cloud
clear
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
clear
part cloud
clear
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
5:05
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
2
Temp °C
25
26
27
27
26
26
26
25
25
27
27
27
27
26
26
26
26
27
28
28
28
26
Feels °C
29
29
30
29
29
29
30
28
29
30
29
29
30
29
29
30
31
31
31
31
32
30
  • 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 

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