Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
26.8° C
0.1° 

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 (18 Aug):

  • Afternoon surf: Afternoon surf (18 Aug, local time) - 1ft (0.3m), 8s period with SSW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 1.5ft (0.4m), 6s period with SE swell.

The current surf forecast for Nagai Point at 10PM is: 0.4m 6s primary swell from a Southeast direction and 0.2m 8s secondary swell from a South-southwest direction (forecast issued at 02:00pm August 18). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (18 Aug)--
Afternoon (18 Aug)1ft (0.3m)8s
Evening (18 Aug)1.5ft (0.4m)6s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
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)
0.2
SSW
8
0.3
SSW
8
0.3
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.3
SE
6
0.3
SSE
6
0.2
SSE
6
0.2
SSE
6
0.2
SSW
8
0.2
SSE
6
0.2
SSE
6
0.2
SSE
6
0.2
SSE
6
0.2
SSW
9
0.2
SSW
9
0.2
SSW
8
Wave Graph
Metric surfscale
Energy kJ
6
12
7
10
10
10
10
10
6
7
4
4
6
4
4
4
4
8
8
7
Wind (km/h)
10
SSW
15
S
10
SSE
10
SE
10
SE
10
ESE
10
E
5
ENE
0
SSW
15
SSW
15
SSE
10
SSE
5
SSE
5
ESE
5
E
5
SE
10
SW
15
SSW
15
S
15
S
Wind State
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross
cross-on
glassy
glassy
glassy
on
cross-on
cross-on
cross-on
High Tide
7:37PM1.51m
8:23AM1.32m
8:01PM1.48m
9:27AM1.19m
8:27PM1.44m
Low Tide
1:30PM0.62m
2:07AM0.50m
1:55PM0.78m
2:56AM0.51m
2:16PM0.93m
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:25
6:24
 mm
Temp °C
26
27
27
26
26
25
25
26
27
27
27
26
26
25
25
25
26
27
27
26
Feels °C
29
28
30
29
29
28
28
29
31
28
29
28
30
29
29
29
29
29
29
28
  • 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 Nagai Point 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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