Nagahama Surf Break

Lat Long: 35.19° N 139.61° E

Nagahama 48 hour detailed Surf Forecast

Issued: 8 pm 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagahama sea temperature is
27.2° C
0.3° 

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 (14 Aug):

  • Morning surf: Morning surf (14 Aug, local time) - 1ft (0.3m), 9s period with SSW swell.
  • Afternoon surf: Afternoon surf (14 Aug, local time) - 1.5ft (0.4m), 9s period with SSW swell.
  • Evening surf: Evening surf (14 Aug, local time) - 1ft (0.3m), 9s period with SSW swell.

The current surf forecast for Nagahama at 2AM is: 0.4m 9s primary swell from a South-southwest direction (forecast issued at 08:00pm August 13). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (14 Aug)1ft (0.3m)9s
Afternoon (14 Aug)1.5ft (0.4m)9s
Evening (14 Aug)1ft (0.3m)9s

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


Short Range Forecast

Heavy rain (total 39mm), heaviest during Thu night. Warm (max 28°C on Fri afternoon, min 24°C on Sat night). Wind will be generally light.

Thu
13
Friday
14
Saturday
15
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
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)
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.3
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.3
SSW
9
0.3
SSE
10
0.3
SSW
11
0.4
SSW
11
0.4
SSW
11
0.4
SSW
11
0.4
SSW
10
0.4
SSW
10
0.9
SE
7
Wave Graph
Metric surfscale
Energy kJ
29
29
28
28
28
16
28
29
29
16
20
25
40
40
37
35
33
65
Wind (km/h)
15
ENE
15
NE
15
N
20
N
20
NNE
20
NNE
20
ENE
10
NE
15
E
15
ENE
15
NE
15
NE
15
NE
20
ENE
15
NNE
20
ESE
25
ESE
20
ENE
Wind State
cross-off
off
cross-off
cross-off
off
off
off
off
cross-off
off
off
off
off
off
off
cross-off
cross-off
cross-off
High Tide
5:47PM1.54m
4:54AM1.62m
6:09PM1.55m
5:34AM1.63m
6:31PM1.55m
Low Tide
11:16PM0.78m
11:36AM0.17m
11:46PM0.68m
12:07PM0.24m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
5:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:32
6:31
6:30
 mm
8
7
5
2
2
2
2
1
3
5
5
2
1
1
1
Temp °C
27
27
26
25
25
26
27
28
27
26
26
25
25
26
28
28
27
25
Feels °C
29
29
27
25
26
26
28
30
29
28
28
27
27
27
29
28
27
25
  • 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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