Nagahama Surf Break

Lat Long: 35.19° N 139.61° E

Nagahama 48 hour detailed Surf Forecast

Issued: 8 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagahama sea temperature is
27.7° C
0.8° 

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 (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 2.5ft (0.8m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 1.5ft (0.5m), 10s period with SSW swell.
  • Evening surf: Evening surf (12 Aug, local time) - 1.5ft (0.4m), 10s period with SSW swell.

The current surf forecast for Nagahama at 3AM is: 0.5m 10s primary swell from a South-southwest direction and 0.9m 6s secondary swell from a South direction (forecast issued at 08:00pm August 11). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Aug)2.5ft (0.8m)10s
Afternoon (12 Aug)1.5ft (0.5m)10s
Evening (12 Aug)1.5ft (0.4m)10s

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


Short Range Forecast

Heavy rain (total 97mm), heaviest during Tue night. Warm (max 28°C on Thu afternoon, min 24°C on Tue night). Winds decreasing (strong winds from the SSW on Tue night, light winds from the NE by Thu afternoon).

Tue
11
Wednesday
12
Thursday
13
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SSW
10
0.5
SSW
10
1.3
SSW
5
0.9
S
6
0.5
SSW
10
0.8
S
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
0.5
S
10
0.5
S
10
0.4
SSW
9
0.4
SSW
9
Wave Graph
Metric surfscale
Energy kJ
62
59
91
58
58
130
59
59
58
40
39
38
38
38
49
47
29
28
Wind (km/h)
15
WNW
35
WSW
50
SSW
35
S
20
E
25
ESE
25
ESE
15
E
20
NE
25
NNE
25
NNE
30
NNE
30
NNE
25
NNE
15
NE
10
NE
15
ENE
15
ENE
Wind State
cross-on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
off
off
off
off
off
High Tide
5:02PM1.48m
3:27AM1.50m
5:25PM1.52m
4:13AM1.57m
5:47PM1.54m
Low Tide
10:14PM0.99m
10:29AM0.15m
10:45PM0.89m
11:04AM0.14m
light rain
light rain
heavy rain
thunderstorm
light rain
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
cloud
cloud
cloud
clear
clear
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:34
6:32
 mm
3
5
32
11
4
4
6
7
7
2
2
1
4
Temp °C
26
24
24
24
24
25
26
26
25
24
24
24
24
25
27
27
28
26
Feels °C
28
21
19
21
24
25
25
27
25
23
23
22
23
25
28
30
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 

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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