Nagahama Surf Break

Lat Long: 35.19° N 139.61° E

Nagahama 48 hour detailed Surf Forecast

Issued: 8 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagahama sea temperature is
27.4°C
0.5° 

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


How big are the waves at Nagahama today (26 Aug):

  • Evening surf: Evening surf (26 Aug, local time) - 4ft (1.2m), 12s period with S swell.

The current surf forecast for Nagahama at 12AM is: 1.2m 12s primary swell from a South direction and 0.5m 5s secondary swell from a South direction, 0.5m 5s secondary swell from a Southwest direction (forecast issued at 08:00pm August 25). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (26 Aug)--
Afternoon (26 Aug)--
Evening (26 Aug)4ft (1.2m)12s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Thu night. Warm (max 29°C on Wed afternoon, min 23°C on Thu afternoon). Winds decreasing (fresh winds from the SW on Wed night, calm by Fri morning).

Tue
25
Wednesday
26
Thursday
27
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
1
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
S
12
1.2
S
12
1.2
S
12
1.1
S
12
1
S
12
0.8
SSW
12
0.8
SSW
11
0.7
SSW
12
0.7
SSW
11
0.6
SSW
11
0.5
SSW
11
0.4
SSW
11
0.9
SSW
5
1
SSW
6
0.4
S
11
0.4
S
11
0.6
S
10
0.5
S
10
Wave Graph
Metric surfscale
Energy kJ
403
403
407
362
280
183
167
137
130
95
68
45
42
63
37
35
73
47
Wind (km/h)
35
SSW
30
SW
25
SW
15
WSW
15
WSW
10
SW
25
S
25
SSW
30
SW
30
SW
25
SW
25
SW
15
SW
15
NNE
25
NE
25
NNE
5
ESE
10
SSW
Wind State
on
on
on
on
cross-on
on
cross-on
on
on
on
on
on
on
cross-off
off
cross-off
glassy
on
High Tide
4:35PM1.47m
3:03AM1.45m
4:55PM1.51m
3:51AM1.55m
5:15PM1.54m
Low Tide
9:52PM0.99m
10:02AM0.23m
10:22PM0.87m
10:37AM0.20m
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:19
6:16
6:15
 mm
1
1
3
1
1
2
4
Temp °C
28
27
27
27
27
28
27
29
29
28
28
27
28
26
25
24
23
24
Feels °C
27
27
28
30
30
33
29
30
29
29
29
29
31
29
24
24
26
26
  • 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 Nagahama 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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