Hanamizu River Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River 48 hour detailed Surf Forecast

Issued: 8 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
27.1°C
0.9° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 0.5ft (0.2m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 1ft (0.3m), 9s period with SE swell.
  • Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.4m), 8s period with SE swell.

The current surf forecast for Hanamizu River at 5PM is: 0.4m 8s primary swell from a Southeast direction and 0.1m 13s secondary swell from a East direction, 0.3m 7s secondary swell from a South direction (forecast issued at 08:00am September 13). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Sep)0.5ft (0.2m)7s
Afternoon (13 Sep)1ft (0.3m)9s
Evening (13 Sep)1.5ft (0.4m)8s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Mon night. Warm (max 29°C on Mon morning, min 21°C on Sun morning). Wind will be generally light.

Sunday
13
Monday
14
Tuesday
15
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
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
8
0.4
SE
7
0.4
SE
7
0.2
SSE
7
0.7
S
4
0.9
S
4
0.9
SSW
4
0.4
SE
10
0.3
E
14
0.4
SE
9
0.4
SE
9
0.4
SSE
8
0.4
SSE
8
0.5
SSE
8
0.4
SSE
8
0.4
SSE
7
Wave Graph
Metric surfscale
Energy kJ
5
5
12
12
18
17
15
14
12
4
13
27
32
24
33
20
26
26
24
33
22
21
Wind (km/h)
10
NNE
10
NNE
10
SE
10
SSE
10
SSW
10
SW
10
WSW
10
WSW
10
WSW
15
SSW
20
SSW
20
SW
15
SW
20
SW
15
SW
10
WSW
10
W
5
SSW
15
S
10
SSW
5
SSW
5
NNE
Wind State
cross-off
cross-off
on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross
cross-on
cross
cross
cross-off
cross
cross-off
cross-off
cross-on
cross-on
cross
glassy
cross-off
High Tide
5:40AM1.52m
5:42PM1.51m
6:20AM1.46m
6:01PM1.51m
6:59AM1.37m
6:20PM1.49m
Low Tide
11:42AM0.46m
00:01AM0.29m
12:07PM0.58m
00:34AM0.27m
12:29PM0.71m
light rain
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
rain showers
part cloud
light rain
rain showers
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:24
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:52
5:51
 mm
1
1
1
1
1
Temp °C
21
21
23
24
24
24
24
24
24
27
29
29
27
26
25
24
23
26
26
26
26
25
Feels °C
23
23
25
26
27
27
27
27
27
28
30
30
29
27
26
25
24
29
27
28
30
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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