Nagahama Surf Break

Lat Long: 35.19° N 139.61° E

Nagahama 48 hour detailed Surf Forecast

Issued: 8 pm 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagahama sea temperature is
27.3° 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 (16 Aug):

  • Morning surf: Morning surf (16 Aug, local time) - 1.5ft (0.4m), 9s period with SSW swell.
  • Afternoon surf: Afternoon surf (16 Aug, local time) - 1.5ft (0.5m), 9s period with S swell.
  • Evening surf: Evening surf (16 Aug, local time) - 1.5ft (0.5m), 9s period with S swell.

The current surf forecast for Nagahama at 1AM is: 0.4m 9s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a Southeast direction (forecast issued at 08:00pm August 15). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (16 Aug)1.5ft (0.4m)9s
Afternoon (16 Aug)1.5ft (0.5m)9s
Evening (16 Aug)1.5ft (0.5m)9s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Sat night. Warm (max 27°C on Mon afternoon, min 23°C on Sat night). Wind will be generally light.

Sat
15
Sunday
16
Monday
17
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
1
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)
0.4
SSW
10
0.4
SSW
10
0.5
SE
8
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.4
S
9
0.4
S
9
0.4
S
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
Wave Graph
Metric surfscale
Energy kJ
33
32
30
27
28
27
27
39
39
39
37
37
24
23
22
14
14
13
Wind (km/h)
15
E
15
ENE
15
NE
20
NE
20
NNE
20
NE
15
ENE
15
E
15
ESE
15
E
15
ENE
15
ENE
15
ENE
15
NE
10
NNE
5
SE
10
SE
10
ESE
Wind State
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
glassy
cross
cross-off
High Tide
6:31PM1.55m
6:13AM1.61m
6:52PM1.54m
6:52AM1.54m
7:14PM1.53m
Low Tide
00:17AM0.60m
12:36PM0.34m
00:51AM0.54m
1:04PM0.47m
light rain
light rain
part cloud
part cloud
clear
part cloud
rain showers
rain showers
rain showers
part cloud
clear
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:29
 mm
1
1
1
1
1
Temp °C
26
25
24
24
23
24
26
26
26
25
24
24
24
24
26
27
26
25
Feels °C
28
27
25
25
23
24
28
27
27
26
26
26
26
25
28
30
28
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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