Nagahama Surf Break

Lat Long: 35.19° N 139.61° E

Nagahama 48 hour detailed Surf Forecast

Issued: 8 pm 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagahama sea temperature is
27.9°C
1.1° 

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 (28 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 3.5ft (1.0m), 6s period with SSW swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 2.5ft (0.7m), 7s period with SSW swell.
  • Evening surf: Evening surf (28 Aug, local time) - 2ft (0.6m), 8s period with S swell.

The current surf forecast for Nagahama at 1AM is: 0.4m 10s primary swell from a South direction and 0.3m 10s secondary swell from a South-southeast direction, 0.5m 6s secondary swell from a South-southwest direction (forecast issued at 08:00pm August 27). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (28 Aug)3.5ft (1.0m)6s
Afternoon (28 Aug)2.5ft (0.7m)7s
Evening (28 Aug)2ft (0.6m)8s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Thu night. Warm (max 27°C on Thu night, min 22°C on Sat night). Wind will be generally light.

Thu
27
Friday
28
Saturday
29
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
0
0
1
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
S
10
0.4
S
10
0.5
S
10
0.4
S
9
1.1
SW
5
1
SSW
6
1
SSW
6
0.7
SSW
7
0.8
SSW
6
0.6
S
8
0.6
S
8
0.5
S
7
0.4
SSW
8
0.4
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
Wave Graph
Metric surfscale
Energy kJ
31
30
45
27
64
72
77
49
47
46
41
26
20
20
11
12
12
12
Wind (km/h)
10
ENE
5
S
20
SSW
20
SW
30
SW
25
WSW
20
WSW
10
SSW
10
SSE
10
NNE
10
NE
20
NE
20
NE
15
NE
10
NE
10
NE
20
ENE
20
NNE
Wind State
cross-off
glassy
cross-on
on
on
on
cross-on
on
cross-on
off
off
off
off
off
off
off
off
off
High Tide
5:15PM1.54m
4:33AM1.61m
5:36PM1.56m
5:12AM1.65m
5:57PM1.57m
Low Tide
10:50PM0.74m
11:09AM0.22m
11:19PM0.63m
11:39AM0.28m
light rain
light rain
thunderstorm
thunderstorm
cloud
thunderstorm
cloud
part cloud
part cloud
part cloud
cloud
thunderstorm
cloud
cloud
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:13
 mm
2
1
4
1
1
1
1
2
1
Temp °C
26
25
25
27
27
26
26
27
27
27
27
26
25
25
25
24
23
23
Feels °C
27
27
26
29
28
28
26
30
29
30
30
27
24
26
27
26
24
23
  • 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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