Nichinan Surf Break

Lat Long: 31.60° N 131.41° E

Nichinan 48 hour detailed Surf Forecast

Issued: 8 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nichinan sea temperature is
28.7°C
0.3° 

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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 7ft (2.2m), 8s period with SSE swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 6.5ft (2.0m), 8s period with SSE swell.
  • Evening surf: Evening surf (27 Aug, local time) - 6ft (1.8m), 8s period with SSE swell.

The current surf forecast for Nichinan at 1AM is: 1.8m 8s primary swell from a Southeast direction and 1.2m 9s secondary swell from a South direction, 0.6m 13s secondary swell from a East direction (forecast issued at 08:00pm August 26). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (27 Aug)7ft (2.2m)8s
Afternoon (27 Aug)6.5ft (2.0m)8s
Evening (27 Aug)6ft (1.8m)8s

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


Short Range Forecast

Heavy rain (total 29mm), heaviest during Wed night. Warm (max 30°C on Sat afternoon, min 26°C on Fri night). Wind will be generally light.

Wed
26
Thursday
27
Friday
28
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)
1
1
0
0
0
0
0
0
1
1
0
0
1
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
SSE
10
1.5
S
10
1.8
SE
8
2
SE
8
2.2
SSE
8
2.2
SSE
8
2.1
SSE
8
2
SSE
8
1.9
SSE
8
1.8
SSE
8
1.7
SSE
8
1.7
SSE
8
1.5
SSE
7
1.5
SSE
8
1.1
SE
7
0.7
E
13
1.3
SSE
7
0.7
E
13
Wave Graph
Metric surfscale
Energy kJ
1079
457
424
502
605
634
555
463
421
392
335
335
228
256
121
173
173
171
Wind (km/h)
20
ESE
20
ESE
20
SE
20
SE
20
SSE
15
S
20
SSE
15
S
15
SSE
15
SSE
15
S
10
S
10
S
10
S
15
SSE
15
SSE
15
S
10
S
Wind State
on
on
on
on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:05PM1.95m
5:17AM2.00m
6:29PM2.01m
5:54AM2.07m
6:53PM2.05m
Low Tide
11:39PM1.02m
11:56AM0.34m
00:09AM0.90m
12:25PM0.32m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:45
6:44
 mm
5
6
3
2
3
3
2
2
1
1
2
2
1
1
Temp °C
27
27
27
27
27
27
28
28
28
27
27
27
27
28
29
29
28
27
Feels °C
30
30
30
29
29
30
31
31
32
31
31
31
31
32
32
31
31
32
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nichinan surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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