Hanamizu River Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River 48 hour detailed Surf Forecast

Issued: 2 am 28 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 (28 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 4.5ft (1.4m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 3ft (0.9m), 7s period with SSW swell.
  • Evening surf: Evening surf (28 Aug, local time) - 2.5ft (0.7m), 8s period with SSW swell.

The current surf forecast for Hanamizu River at 10AM is: 1.3m 6s primary swell from a Southwest direction and 0.7m 6s secondary swell from a South-southwest direction, 0.3m 9s secondary swell from a South direction (forecast issued at 02:00am August 28). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (28 Aug)4.5ft (1.4m)6s
Afternoon (28 Aug)3ft (0.9m)7s
Evening (28 Aug)2.5ft (0.7m)8s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri morning. Warm (max 30°C on Fri afternoon, min 22°C on Sat night). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
1
1
1
0
0
1
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
10
0.4
S
9
1.1
SW
5
1.4
SW
6
0.8
SSW
6
0.9
SSW
7
0.7
SSW
8
0.7
SSW
8
0.6
SSW
7
0.5
SSW
7
0.5
S
8
0.4
SSW
7
0.4
SSW
7
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SE
10
0.2
SSE
10
0.2
SSE
10
0.2
SSE
10
0.3
SSW
8
0.3
SSW
8
Wave Graph
Metric surfscale
Energy kJ
163
27
64
122
42
64
68
71
42
30
29
18
18
12
12
12
12
12
16
10
10
10
11
11
Wind (km/h)
20
SW
15
WSW
15
WSW
15
WSW
20
WSW
10
SW
5
WSW
5
N
15
NNE
15
NNE
10
NE
10
ENE
10
E
10
E
10
NE
15
NNE
15
NNE
15
NNE
15
NNE
10
NNE
5
NNE
0
NE
0
N
0
NNW
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
High Tide
4:16AM1.47m
5:27PM1.46m
4:55AM1.50m
5:46PM1.49m
5:33AM1.50m
6:05PM1.51m
Low Tide
10:39PM0.74m
10:54AM0.20m
11:08PM0.63m
11:22AM0.24m
11:38PM0.52m
11:50AM0.32m
cloud
cloud
cloud
light rain
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:11
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:14
 mm
1
1
1
1
Temp °C
26
27
26
27
28
30
29
28
28
27
26
26
25
24
23
23
22
22
22
23
24
24
24
24
Feels °C
28
30
29
30
29
32
33
31
30
28
28
28
27
27
24
23
22
22
23
24
26
27
27
27
  • 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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