Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 pm 17 Oct 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
23.4°C
0.0° 

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 Oct):

  • Morning surf: Morning surf (18 Oct, local time) - 0.5ft (0.1m), 11s period with SE swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 0.5ft (0.1m), 11s period with SE swell.
  • Evening surf: Evening surf (18 Oct, local time) - 0.5ft (0.1m), 10s period with SE swell.

The current surf forecast for Nagai Point at 5AM is: 0.1m 8s primary swell from a Southeast direction and 0.1m 5s secondary swell from a Southeast direction, 0.1m 7s secondary swell from a South direction (forecast issued at 08:00pm October 17). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Oct)0.5ft (0.1m)11s
Afternoon (18 Oct)0.5ft (0.1m)11s
Evening (18 Oct)0.5ft (0.1m)10s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Tue morning, min 18°C on Sat night). Winds increasing (light winds from the E on Sat night, fresh winds from the SSW by Mon afternoon).

Sat
17
Sunday
18
Monday
19
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)
0.2
SSE
8
0.2
S
7
0.2
S
7
0.2
S
7
0.1
SE
8
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
10
0.1
SE
10
0.4
SSW
3
0.3
SE
7
0.3
SE
10
0.9
SSW
4
1
SSW
4
1
SSW
5
0.9
SSW
5
0.9
SSW
5
Wave Graph
Metric surfscale
Energy kJ
6
4
4
4
3
5
5
4
4
4
4
8
16
24
43
47
42
45
Wind (km/h)
20
SE
15
E
10
E
10
E
10
ENE
10
ENE
10
SSW
20
S
20
S
20
SSW
25
SW
30
SW
30
SW
35
SW
35
SW
35
SSW
35
SSW
25
SW
Wind State
cross-off
cross-off
cross-off
cross-off
off
off
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
High Tide
6:57PM1.42m
11:18AM1.21m
7:29PM1.31m
1:20PM1.25m
Low Tide
2:54AM0.41m
2:19PM1.18m
4:16AM0.51m
6:21PM1.17m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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5:48
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5:50
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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5:04
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5:01
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 mm
—
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—
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Temp °C
20
19
19
19
18
19
20
21
21
22
21
21
21
22
23
24
23
23
Feels °C
18
17
18
18
16
18
19
18
18
18
17
16
16
17
19
20
19
22
  • 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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