Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 pm 19 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 2AM is: 0.1m 10s primary swell from a Southeast direction and 0.2m 6s secondary swell from a South-southeast direction (forecast issued at 08:00pm August 19). 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

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

Wed
19
Thursday
20
Friday
21
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
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
0.2
S
10
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.7
S
9
0.9
S
9
0.8
SSW
9
0.4
SSW
9
Wave Graph
Metric surfscale
Energy kJ
7
4
6
4
4
4
4
8
8
7
8
25
27
27
78
127
106
26
Wind (km/h)
15
S
15
SSE
10
S
10
S
10
SSE
10
S
10
SSW
15
SSW
15
SSW
15
S
20
SSW
20
SSW
20
SSW
20
SSW
25
S
25
S
25
S
25
SSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
8:01PM1.48m
9:27AM1.19m
8:27PM1.44m
11:35AM1.10m
8:59PM1.38m
Low Tide
2:56AM0.51m
2:16PM0.93m
4:02AM0.54m
2:23PM1.07m
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:24
6:23
 mm
Temp °C
27
26
26
25
25
25
26
26
26
26
26
26
25
26
26
26
26
26
Feels °C
29
29
29
28
28
28
29
27
28
28
28
28
27
28
27
26
25
25
  • 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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