Hanamizu River Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River 48 hour detailed Surf Forecast

Issued: 2 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
27.4°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 (11 Sep):

  • Morning surf: Morning surf (11 Sep, local time) - 1.5ft (0.5m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (11 Sep, local time) - 1.5ft (0.5m), 8s period with S swell.
  • Evening surf: Evening surf (11 Sep, local time) - 1.5ft (0.4m), 8s period with SSW swell.

The current surf forecast for Hanamizu River at 10AM is: 0.5m 8s primary swell from a South direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 02:00am September 11). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (11 Sep)1.5ft (0.5m)8s
Afternoon (11 Sep)1.5ft (0.5m)8s
Evening (11 Sep)1.5ft (0.4m)8s

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


Short Range Forecast

Heavy rain (total 37mm), heaviest during Fri morning. Warm (max 25°C on Sun afternoon, min 19°C on Fri morning). Wind will be generally light.

Friday
11
Saturday
12
Sunday
13
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
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
S
8
0.5
S
8
0.5
S
8
0.5
S
8
0.5
S
8
0.5
S
8
0.5
S
8
0.4
SSW
8
0.5
S
8
0.4
SSW
8
0.4
SSW
8
0.4
SSW
7
0.4
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.3
SSW
7
0.2
SSW
7
0.2
SSW
7
0.3
SE
9
0.3
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
7
Wave Graph
Metric surfscale
Energy kJ
45
31
30
28
28
28
28
19
29
19
19
18
18
11
10
10
9
5
5
13
12
18
16
14
Wind (km/h)
10
NNE
15
NNE
10
NNE
5
NE
10
NNE
10
NNE
10
NNE
10
NNE
10
NNE
10
NNE
15
NNE
15
NNE
15
NNE
10
NNE
15
NNE
15
NNE
10
NNE
10
NNE
10
NNE
10
NE
10
E
10
SSE
10
S
5
SW
Wind State
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross
High Tide
4:15AM1.53m
5:05PM1.49m
4:59AM1.54m
5:24PM1.50m
5:40AM1.52m
5:42PM1.51m
Low Tide
10:26PM0.63m
10:43AM0.24m
10:57PM0.49m
11:14AM0.34m
11:29PM0.37m
11:42AM0.46m
light rain
light rain
heavy rain
heavy rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:57
5:54
5:53
 mm
4
1
11
12
8
3
1
1
2
2
2
4
1
1
Temp °C
19
19
19
19
19
20
20
20
20
20
20
20
21
21
21
21
21
22
22
23
24
25
24
24
Feels °C
20
19
20
21
20
21
21
21
21
21
20
20
22
22
22
22
22
24
24
25
26
28
27
28
  • 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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