Nichinan Surf Break

Lat Long: 31.60° N 131.41° E

Nichinan 48 hour detailed Surf Forecast

Issued: 8 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nichinan sea temperature is
29.0° C
0.5° 

Nichinan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Nichinan today (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 7.5ft (2.3m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 4.5ft (1.3m), 14s period with E swell.
  • Evening surf: Evening surf (09 Aug, local time) - 5ft (1.5m), 14s period with E swell.

The current surf forecast for Nichinan at 2PM is: 1.5m 11s primary swell from a South direction and 1.1m 14s secondary swell from a East direction, 1.9m 8s secondary swell from a East-southeast direction (forecast issued at 08:00am August 09). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Aug)7.5ft (2.3m)8s
Afternoon (09 Aug)4.5ft (1.3m)14s
Evening (09 Aug)5ft (1.5m)14s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Sun morning. Warm (max 28°C on Mon morning, min 24°C on Mon night). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
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
1
1
1
2
2
2
3
2
1
2
3
3
3
3
3
3
2
2
3
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)
2.5
ESE
8
2.3
ESE
8
2.2
ESE
8
1.3
E
14
2.1
ESE
14
1.5
E
14
1.9
E
13
1.8
E
13
1.6
E
13
1.7
E
13
1.6
E
13
1.5
E
12
1.4
E
12
1.4
E
12
1.4
E
12
1.4
E
12
1.4
E
12
1.3
E
12
1.3
E
12
1.2
E
11
1.1
E
11
1.1
E
11
Wave Graph
Metric surfscale
Energy kJ
864
688
619
626
1680
869
1303
1138
875
976
835
678
575
566
566
575
574
480
464
371
297
291
Wind (km/h)
25
E
20
E
20
E
20
ENE
15
ENE
15
E
15
E
10
E
10
E
10
ENE
10
ENE
10
E
10
E
5
E
0
ESE
5
WNW
5
WNW
0
WNW
5
ESE
5
SSE
10
SSW
10
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
cross-on
cross
cross-off
High Tide
4:41PM1.80m
3:02AM1.86m
5:29PM1.93m
4:13AM1.97m
6:07PM2.01m
Low Tide
9:10AM0.47m
9:49PM1.38m
10:18AM0.32m
10:51PM1.26m
11:12AM0.18m
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:35
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:02
7:01
 mm
5
6
5
4
1
Temp °C
26
26
26
27
27
26
26
26
26
27
28
28
27
26
25
25
24
27
28
28
27
26
Feels °C
27
28
27
29
30
28
29
29
29
30
31
32
31
31
30
30
28
31
32
31
29
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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