Hanamizu River Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River 48 hour detailed Surf Forecast

Issued: 8 am 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
27.9°C
1.0° 

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 (31 Aug):

  • Morning surf: Morning surf (31 Aug, local time) - 1ft (0.3m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (31 Aug, local time) - 0.5ft (0.2m), 10s period with SSE swell.
  • Evening surf: Evening surf (31 Aug, local time) - 1ft (0.3m), 9s period with SSW swell.

The current surf forecast for Hanamizu River at 12PM is: 0.3m 7s primary swell from a South-southwest direction and 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 08:00am August 31). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (31 Aug)1ft (0.3m)7s
Afternoon (31 Aug)0.5ft (0.2m)10s
Evening (31 Aug)1ft (0.3m)9s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Wed morning, min 24°C on Mon night). Wind will be generally light.

Monday
31
Tuesday
1
Wednesday
2
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)
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.2
SSE
10
0.2
SSE
9
0.3
SSW
9
0.3
SSW
9
0.3
SSW
9
0.3
SSW
8
0.2
E
12
0.3
SSW
9
0.3
SSW
9
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.4
SSW
8
0.4
SSW
8
0.4
SSW
8
Wave Graph
Metric surfscale
Energy kJ
10
10
11
9
9
16
15
15
14
14
15
15
14
14
14
14
14
14
14
24
24
24
Wind (km/h)
10
NE
10
NE
15
ENE
10
ENE
10
ENE
15
ENE
15
NE
10
NE
10
NNE
5
ENE
5
SE
10
S
10
S
5
S
5
SW
5
SW
5
SW
10
SSE
15
SSE
15
S
15
S
5
SSW
Wind State
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross-off
cross-on
on
cross-on
cross-on
glassy
glassy
glassy
glassy
on
on
cross-on
cross-on
cross
High Tide
6:13AM1.47m
6:25PM1.51m
6:56AM1.40m
6:47PM1.51m
7:44AM1.31m
7:09PM1.49m
Low Tide
12:17PM0.43m
00:44AM0.36m
12:44PM0.57m
1:22AM0.32m
1:10PM0.72m
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:13
5:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:10
6:08
 mm
Temp °C
24
25
25
26
26
25
24
24
24
25
26
26
26
25
25
24
24
26
27
27
26
26
Feels °C
26
27
27
28
28
26
25
26
26
27
28
28
28
28
29
27
28
29
29
29
28
29
  • 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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