Nagahama Surf Break

Lat Long: 35.19° N 139.61° E

Nagahama 48 hour detailed Surf Forecast

Issued: 2 am 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nagahama sea temperature is
26.4°C
0.1° 

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 (04 Sep):

  • Morning surf: Morning surf (04 Sep, local time) - 2ft (0.6m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (04 Sep, local time) - 1.5ft (0.5m), 10s period with S swell.
  • Evening surf: Evening surf (04 Sep, local time) - 2ft (0.6m), 9s period with SSW swell.

The current surf forecast for Nagahama at 5AM is: 0.6m 10s primary swell from a South direction and 0.2m 6s secondary swell from a South-southeast direction (forecast issued at 02:00am September 04). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (04 Sep)2ft (0.6m)10s
Afternoon (04 Sep)1.5ft (0.5m)10s
Evening (04 Sep)2ft (0.6m)9s

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


Short Range Forecast

Heavy rain (total 96mm), heaviest during Sun night. Warm (max 26°C on Fri morning, min 20°C on Sat morning). Winds increasing (light winds from the NNE on Fri morning, gales from the N by Sun night).

Friday
4
Saturday
5
Sunday
6
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
1
1
1
0
1
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
S
11
0.6
S
11
0.6
S
10
0.6
S
10
0.6
S
10
0.5
S
10
0.6
S
10
0.6
SSW
9
0.6
SSW
9
0.5
SSW
10
0.5
SSW
10
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.2
SSE
8
0.4
SE
8
0.4
SSE
8
0.4
SSE
8
Wave Graph
Metric surfscale
Energy kJ
91
82
75
73
71
49
67
66
68
52
52
35
28
27
14
13
14
11
11
11
6
16
24
23
Wind (km/h)
15
S
10
SSW
10
NNE
20
NE
15
NNE
20
NNE
20
NE
25
NNE
25
N
30
NE
30
NE
30
NE
35
NNE
35
NNE
30
NNE
35
NNE
40
NNE
40
NNE
40
NNE
45
NNE
50
NNE
55
NNE
55
NNE
55
N
Wind State
cross-on
on
off
off
off
off
off
off
cross-off
off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
10:10AM1.15m
8:09PM1.42m
8:40PM1.34m
3:50PM1.29m
Low Tide
3:04AM0.48m
1:57PM1.05m
4:22AM0.54m
6:16AM0.54m
7:59PM1.24m
cloud
cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
cloud
light rain
mod rain
mod rain
mod rain
light rain
light rain
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:16
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:04
6:01
 mm
1
1
3
8
8
6
4
2
1
1
2
2
2
3
4
20
Temp °C
26
26
26
25
26
26
26
25
23
22
21
21
20
21
21
22
21
21
22
21
21
21
21
20
Feels °C
28
29
29
25
27
26
27
25
23
20
19
19
16
17
18
18
17
16
17
16
14
13
13
13
  • 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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