Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
27.2° C
0.4° 

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 (09 Aug):

  • Afternoon surf: Afternoon surf (09 Aug, local time) - 2.5ft (0.7m), 10s period with SSW swell.
  • Evening surf: Evening surf (09 Aug, local time) - 2ft (0.6m), 11s period with SSW swell.

The current surf forecast for Nagai Point at 9PM is: 0.6m 11s primary swell from a South-southwest direction and 0.3m 3s secondary swell from a South direction (forecast issued at 02:00pm August 09). An open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Aug)--
Afternoon (09 Aug)2.5ft (0.7m)10s
Evening (09 Aug)2ft (0.6m)11s

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


Short Range Forecast

Heavy rain (total 22mm), heaviest during Wed morning. Warm (max 29°C on Mon afternoon, min 23°C on Mon night). Wind will be generally light.

Sun
9
Monday
10
Tuesday
11
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)
1
0
0
1
1
1
0
0
1
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)
0.7
SSW
10
0.7
SSW
10
0.6
SSW
11
0.6
SSW
11
0.6
SSW
11
0.6
S
10
0.6
S
10
0.5
S
11
0.6
S
11
0.6
SSW
11
0.5
SSW
11
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
10
0.5
SSW
11
0.5
SSW
11
0.5
SSW
10
0.5
SSW
10
Wave Graph
Metric surfscale
Energy kJ
112
115
88
88
88
80
75
62
85
93
64
59
59
58
59
62
64
64
62
59
Wind (km/h)
5
S
10
SSW
15
S
15
ESE
10
ENE
20
NE
25
NE
20
NE
20
NE
15
NNE
15
ENE
25
NE
25
NE
20
NE
15
NE
5
NNW
20
SW
20
WSW
10
SW
10
WSW
Wind State
glassy
on
cross-on
cross-off
off
off
off
off
off
off
cross-off
off
off
off
off
glassy
on
on
on
on
High Tide
4:15PM1.34m
1:20AM1.35m
4:39PM1.42m
2:33AM1.42m
5:02PM1.48m
Low Tide
8:48PM1.17m
9:07AM0.28m
9:39PM1.09m
9:51AM0.20m
part cloud
clear
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
cloud
cloud
thunderstorm
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:35
 mm
2
2
Temp °C
27
28
27
26
26
25
25
25
27
29
28
25
24
23
23
24
24
25
25
25
Feels °C
31
30
28
27
28
25
25
25
27
30
28
24
23
22
23
26
24
26
27
27
  • 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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