Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
27.1°C
1.0° 

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 Sep):

  • 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 Nagai Point at 8PM is: 0.4m 8s primary swell from a Southeast direction and 0.2m 7s secondary swell from a South-southwest direction, 0.3m 2s secondary swell from a South direction (forecast issued at 02:00pm September 13). The wind direction is predicted to be cross-onshore.

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

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Tue night. Warm (max 26°C on Mon morning, min 22°C on Tue night). Winds decreasing (fresh winds from the SSW on Mon afternoon, calm by Tue night).

Sun
13
Monday
14
Tuesday
15
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
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)
0.3
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
SSW
4
0.9
SSW
4
0.9
SSW
4
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.5
SE
8
0.4
SSE
8
0.4
SE
8
0.5
SE
7
0.5
SSE
7
Wave Graph
Metric surfscale
Energy kJ
12
12
18
17
15
14
12
4
13
29
34
25
22
28
26
33
24
15
26
26
Wind (km/h)
10
NE
10
SSE
15
SSW
20
SSW
20
SSW
20
SW
20
SSW
25
SSW
35
SSW
35
SSW
35
SSW
30
SSW
25
WSW
25
SW
20
SW
20
SW
20
SW
10
SW
10
SW
5
NNE
Wind State
off
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
on
on
cross-on
on
on
on
on
on
on
glassy
High Tide
5:43PM1.59m
6:05AM1.63m
6:04PM1.59m
6:43AM1.56m
6:24PM1.58m
Low Tide
11:40AM0.42m
11:51PM0.38m
12:06PM0.52m
00:22AM0.33m
12:32PM0.64m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
light rain
rain showers
light rain
light rain
light rain
thunderstorm
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
2
1
Temp °C
22
23
23
24
25
25
25
25
26
26
26
26
26
23
23
24
24
24
24
24
Feels °C
24
26
24
26
27
27
26
25
25
24
24
25
25
22
23
25
25
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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