Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
26.5° 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 (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 0.5ft (0.2m), 6s period with SSE swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 0.5ft (0.2m), 9s period with SSW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 0.5ft (0.2m), 8s period with SSW swell.

The current surf forecast for Nagai Point at 12PM is: 0.1m 11s primary swell from a Southeast direction and 0.2m 6s secondary swell from a South-southeast direction (forecast issued at 08:00am August 20). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Aug)0.5ft (0.2m)6s
Afternoon (20 Aug)0.5ft (0.2m)9s
Evening (20 Aug)0.5ft (0.2m)8s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Sat night. Warm (max 27°C on Sat afternoon, min 25°C on Thu night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
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)
0.2
SSE
6
0.2
SSE
6
0.2
SSE
6
0.2
SSW
9
0.2
SSW
9
0.2
SSW
8
0.2
S
10
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.7
S
9
0.9
S
4
0.9
SSW
4
0.4
SSW
9
0.4
SSW
9
0.4
SSW
10
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.8
S
9
0.4
SSW
9
0.4
SSW
9
Wave Graph
Metric surfscale
Energy kJ
4
4
4
8
8
7
8
25
27
27
78
23
27
26
35
36
34
32
32
103
32
32
Wind (km/h)
10
SSE
5
S
10
SSW
15
SSW
15
S
15
S
20
SSW
20
SSW
15
SSW
20
SSW
25
S
25
S
30
SSW
25
SSW
25
SSW
20
SSW
10
SW
10
SSW
20
SSW
25
SSW
25
S
20
SSW
Wind State
cross
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
on
High Tide
9:27AM1.19m
8:27PM1.44m
11:35AM1.10m
8:59PM1.38m
Low Tide
2:16PM0.93m
4:02AM0.54m
2:23PM1.07m
5:39AM0.54m
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:24
6:23
6:22
 mm
Temp °C
25
26
26
26
26
26
26
25
25
25
26
26
26
26
26
26
26
26
26
26
27
27
Feels °C
28
30
29
28
28
28
28
26
27
27
27
26
26
26
27
27
29
29
28
26
28
29
  • 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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