Nagahama Surf Break

Lat Long: 35.19° N 139.61° E

Nagahama 48 hour detailed Surf Forecast

Issued: 2 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nagahama sea temperature is
27.2°C
1.0° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 0.5ft (0.2m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 1ft (0.3m), 9s period with SE swell.
  • Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.4m), 8s period with SE swell.

The current surf forecast for Nagahama at 6AM is: 0.2m 7s primary swell from a South-southwest direction and 0.1m 7s secondary swell from a Southeast direction (forecast issued at 02:00am September 13). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Sep)0.5ft (0.2m)7s
Afternoon (13 Sep)1ft (0.3m)9s
Evening (13 Sep)1.5ft (0.4m)8s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Tue morning. Warm (max 26°C on Mon morning, min 21°C on Sun morning). Winds decreasing (fresh winds from the SSW on Mon afternoon, calm by Tue night).

Sunday
13
Monday
14
Tuesday
15
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
0
0
0
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SSW
7
0.3
SSW
7
0.2
SSW
7
0.2
SSW
7
0.3
SE
9
0.3
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
7
0.4
SE
7
0.2
SSE
7
0.7
S
4
0.9
S
4
0.9
SSW
4
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SSE
7
Wave Graph
Metric surfscale
Energy kJ
9
9
5
5
12
12
18
17
15
14
12
4
13
28
32
24
21
20
26
24
22
15
15
20
Wind (km/h)
20
NNE
15
NNE
15
NNE
20
NNE
5
NE
10
SSE
15
SSW
15
S
15
SSW
15
SW
20
SSW
25
SSW
35
S
40
SSW
35
SSW
30
SW
25
WSW
25
SW
20
SW
15
SW
15
SSW
15
SSW
10
S
0
SSE
Wind State
off
off
off
off
off
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
glassy
High Tide
5:28AM1.66m
5:43PM1.59m
6:05AM1.63m
6:04PM1.59m
6:43AM1.56m
6:24PM1.58m
Low Tide
11:20PM0.47m
11:40AM0.42m
11:51PM0.38m
12:06PM0.52m
00:22AM0.33m
12:32PM0.64m
light rain
cloud
light rain
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
cloud
part cloud
cloud
cloud
rain showers
light rain
mod rain
rain showers
cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:51
5:50
 mm
1
1
1
1
7
1
1
1
Temp °C
21
21
21
21
22
23
24
24
25
25
25
26
26
26
26
26
24
24
23
23
24
25
25
26
Feels °C
21
22
22
21
25
26
26
26
27
27
26
27
25
24
25
25
23
23
23
25
26
27
28
31
  • 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 

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