Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 am 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
23.1°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 (20 Oct):

  • Morning surf: Morning surf (20 Oct, local time) - 1.5ft (0.4m), 14s period with SSE swell.
  • Afternoon surf: Afternoon surf (20 Oct, local time) - 4.5ft (1.3m), 6s period with SSW swell.
  • Evening surf: Evening surf (20 Oct, local time) - 2.5ft (0.8m), 13s period with SSE swell.

The current surf forecast for Nagai Point at 2PM is: 1.3m 5s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a South-southeast direction, 0.4m 15s secondary swell from a South-southeast direction (forecast issued at 08:00am October 20). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Oct)1.5ft (0.4m)14s
Afternoon (20 Oct)4.5ft (1.3m)6s
Evening (20 Oct)2.5ft (0.8m)13s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Tue afternoon, min 15°C on Thu night). Winds increasing (light winds from the SW on Tue night, strong winds from the SW by Wed afternoon).

Tuesday
20
Wednesday
21
Thursday
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
2
2
2
1
1
1
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)
0.3
SSE
17
0.4
SSE
14
1.2
SSW
5
1.3
SSW
6
0.7
SSE
13
0.8
SSE
13
0.8
SSE
13
0.8
SSE
12
0.6
S
16
0.7
S
15
0.8
S
14
1.9
SSW
6
2
SSW
7
1
S
14
0.9
S
18
1
S
14
1.3
S
16
0.9
S
15
1.4
S
15
1.3
S
14
1.2
S
14
1
S
13
Wave Graph
Metric surfscale
Energy kJ
55
77
78
106
156
195
189
167
172
210
260
290
361
416
492
394
848
371
819
659
515
336
Wind (km/h)
25
SW
30
SW
35
SSW
35
SSW
25
SSW
15
SW
15
SW
30
SW
35
SW
35
SW
45
SW
50
SW
50
SW
45
SW
45
SW
20
WSW
25
NNE
30
NE
25
NE
30
ENE
25
E
20
ENE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
off
off
off
cross-off
cross-off
cross-off
High Tide
2:00PM1.31m
00:18AM1.17m
2:27PM1.37m
1:52AM1.26m
2:51PM1.42m
Low Tide
5:59AM0.55m
7:51PM1.02m
7:21AM0.55m
8:26PM0.85m
8:17AM0.54m
8:56PM0.68m
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
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5:50
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5:52
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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5:00
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5:00
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4:59
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 mm
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Temp °C
23
24
25
26
25
25
24
24
24
25
25
25
25
25
25
24
21
20
19
18
17
17
Feels °C
22
22
22
24
24
27
25
23
22
22
21
20
20
21
20
23
17
16
15
13
13
13
  • 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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