Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 am 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
27.2° C
0.3° 

Nagai Point surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Nagai Point today (13 Aug):

  • Morning surf: Morning surf (13 Aug, local time) - 1.5ft (0.4m), 10s period with SSW swell.
  • Afternoon surf: Afternoon surf (13 Aug, local time) - 1.5ft (0.4m), 10s period with SSW swell.
  • Evening surf: Evening surf (13 Aug, local time) - 1.5ft (0.4m), 9s period with SSW swell.

The current surf forecast for Nagai Point at 4PM is: 0.4m 10s primary swell from a South-southwest direction (forecast issued at 08:00am August 13). An open ocean swell of 0.1m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Aug)1.5ft (0.4m)10s
Afternoon (13 Aug)1.5ft (0.4m)10s
Evening (13 Aug)1.5ft (0.4m)9s

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


Short Range Forecast

Heavy rain (total 36mm), heaviest during Thu night. Warm (max 29°C on Thu afternoon, min 24°C on Sat night). Wind will be generally light.

Thursday
13
Friday
14
Saturday
15
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
10
0.4
SSW
10
0.4
SSW
10
0.4
SSW
10
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
0.5
SE
9
0.5
S
10
0.4
SSW
10
0.4
SSW
10
Wave Graph
Metric surfscale
Energy kJ
50
38
32
31
29
29
28
28
28
16
28
29
29
16
20
25
40
40
37
52
33
32
Wind (km/h)
30
N
25
NNE
20
NNE
5
NE
15
ESE
15
ENE
15
NNE
20
N
20
NNE
20
NNE
20
NE
15
NE
15
E
10
E
10
ENE
10
ENE
15
ENE
20
ENE
15
ENE
15
E
25
E
20
ENE
Wind State
cross-off
off
off
glassy
cross-off
cross-off
off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
High Tide
4:13AM1.57m
5:47PM1.54m
4:54AM1.62m
6:09PM1.55m
5:34AM1.63m
6:31PM1.55m
Low Tide
11:04AM0.14m
11:16PM0.78m
11:36AM0.17m
11:46PM0.68m
12:07PM0.24m
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
5:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:32
6:31
6:30
 mm
2
1
2
5
3
2
1
1
1
5
3
5
2
2
1
Temp °C
24
25
27
29
28
27
26
26
26
26
26
27
28
27
26
26
25
26
27
29
27
25
Feels °C
23
24
28
33
30
29
28
27
27
26
27
29
30
30
29
29
27
27
28
30
26
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

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