Nagai Point Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 1.5ft (0.4m), 6s period with SE swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 1.5ft (0.4m), 6s period with SSE swell.
  • Evening surf: Evening surf (19 Aug, local time) - 1ft (0.3m), 6s period with SSE swell.

The current surf forecast for Nagai Point at 5AM is: 0.4m 6s primary swell from a Southeast direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 08:00pm August 18). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (19 Aug)1.5ft (0.4m)6s
Afternoon (19 Aug)1.5ft (0.4m)6s
Evening (19 Aug)1ft (0.3m)6s

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


Short Range Forecast

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

Tue
18
Wednesday
19
Thursday
20
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
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SSE
6
0.2
SSE
6
0.3
SSE
6
0.2
SSW
8
0.2
SSE
6
0.2
SSE
6
0.2
SSE
6
0.1
SE
11
0.2
SSW
9
0.2
SSW
9
0.2
SSW
8
Wave Graph
Metric surfscale
Energy kJ
7
10
10
10
10
10
9
12
4
7
6
4
4
4
4
8
8
7
Wind (km/h)
15
SSE
15
S
10
SSW
10
SSW
5
SSW
5
SSW
10
SSW
15
SSW
15
S
10
SSE
5
SSE
5
SE
5
ESE
5
SSE
10
SW
15
SSW
15
S
10
S
Wind State
cross-on
cross-on
cross-on
on
glassy
glassy
cross-on
cross-on
cross-on
cross
cross-on
cross
cross-off
cross
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
2:07AM0.50m
1:55PM0.78m
2:56AM0.51m
2:16PM0.93m
cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
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
27
26
26
25
25
26
26
27
27
26
26
25
25
25
26
27
27
26
Feels °C
30
29
29
28
29
30
29
29
29
28
29
28
29
28
28
29
30
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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