Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 2 pm 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
25.2°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 (20 Sep):

  • Afternoon surf: Afternoon surf (20 Sep, local time) - 5.5ft (1.7m), 12s period with SSE swell.
  • Evening surf: Evening surf (20 Sep, local time) - 6ft (1.9m), 12s period with SSE swell.

The current surf forecast for Nagai Point at 9PM is: 1.9m 12s primary swell from a South-southeast direction (forecast issued at 02:00pm September 20). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Sep)--
Afternoon (20 Sep)5.5ft (1.7m)12s
Evening (20 Sep)6ft (1.9m)12s

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


Short Range Forecast

Heavy rain (total 176mm), heaviest during Mon night. Warm (max 26°C on Mon night, min 22°C on Sun afternoon). Mainly gales.

Sun
20
Monday
21
Tuesday
22
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)
2
2
2
0
0
1
1
2
2
4
3
3
3
0
1
2
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)
1.7
SSE
12
1.7
SSE
12
1.8
SSE
12
1.9
SSE
12
2.1
SSE
12
2.2
SSE
12
2.4
S
12
2.5
S
13
3
S
12
3
S
13
3
S
13
4
S
13
4.5
S
14
3
S
12
1.7
SSE
11
1.3
SSE
10
1.2
S
10
1.1
S
9
1
S
9
0.9
SSE
8
Wave Graph
Metric surfscale
Energy kJ
802
723
892
1000
1231
1338
1785
2154
2451
2851
3237
5721
6736
2822
680
314
267
199
150
115
Wind (km/h)
35
NE
35
NNE
30
NNE
35
N
35
NNE
35
N
35
NNE
25
N
30
N
30
NNE
35
NNE
40
NE
55
NNE
65
NNW
30
N
10
NE
15
SSE
15
SE
30
ESE
20
ESE
Wind State
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
off
cross
cross
cross-off
cross-off
High Tide
4:15PM1.26m
8:27PM1.27m
3:17PM1.34m
00:25AM1.22m
3:31PM1.40m
Low Tide
5:23PM1.26m
6:50AM0.53m
8:37PM1.14m
8:06AM0.46m
heavy rain
light rain
heavy rain
mod rain
light rain
light rain
mod rain
mod rain
mod rain
mod rain
heavy rain
thunderstorm
heavy rain
heavy rain
light rain
part cloud
cloud
cloud
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:40
5:38
 mm
18
4
14
9
3
4
7
7
7
7
19
26
39
18
4
2
Temp °C
22
22
22
22
22
22
22
23
23
24
24
26
25
25
25
25
26
26
24
24
Feels °C
20
20
21
19
19
19
19
22
21
22
22
25
21
19
24
27
28
28
23
24
  • 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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