Surf Break

Lat Long: 35.19° N 139.60° E

Nagai Point 48 hour detailed Surf Forecast

Issued: 8 pm 25 Sep 2026 (local time)

Forecast update in  hr  min

Today's Nagai Point sea temperature is
24.5°C
0.7° 

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 (26 Sep):

  • Morning surf: Morning surf (26 Sep, local time) - 1ft (0.3m), 4s period with SSE swell.
  • Afternoon surf: Afternoon surf (26 Sep, local time) - 0.5ft (0.1m), 9s period with SE swell.
  • Evening surf: Evening surf (26 Sep, local time) - 0.5ft (0.1m), 9s period with SE swell.

The current surf forecast for Nagai Point at 1AM is: 0.1m 8s primary swell from a Southeast direction and 0.1m 7s secondary swell from a South direction, 0.4m 3s secondary swell from a Southeast direction (forecast issued at 08:00pm September 25). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (26 Sep)1ft (0.3m)4s
Afternoon (26 Sep)0.5ft (0.1m)9s
Evening (26 Sep)0.5ft (0.1m)9s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Fri night. Warm (max 24°C on Fri night, min 18°C on Sat morning). Mainly strong winds.

Fri
25
Saturday
26
Sunday
27
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)
0.1
SE
8
0.3
SSE
3
0.3
SSE
3
0.4
SSE
3
0.4
SSE
4
0.3
SSE
4
0.1
S
10
0.1
SE
9
0.1
S
13
0.1
SE
9
0.1
SE
9
0.2
SSE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
8
0.1
SE
9
Wave Graph
Metric surfscale
Energy kJ
3
3
3
5
5
3
2
3
3
3
3
8
3
3
3
3
3
3
Wind (km/h)
20
SSE
20
SSE
20
S
20
SSE
0
WSW
45
NNE
35
NNE
35
NNE
35
N
30
N
25
N
20
NNE
20
NNE
15
NNE
15
NNE
5
NNE
5
ESE
5
NE
Wind State
cross
cross
cross-on
cross-on
glassy
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
glassy
High Tide
4:28PM1.54m
4:27AM1.61m
4:48PM1.57m
5:05AM1.64m
5:09PM1.59m
Low Tide
10:24PM0.54m
10:42AM0.41m
10:53PM0.42m
11:11AM0.48m
part cloud
part cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
5:31
—
—
—
—
—
—
—
5:31
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
—
5:34
—
—
—
—
—
—
—
5:31
—
—
 mm
—
—
2
4
2
2
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
24
24
23
23
24
18
18
19
18
19
19
19
19
20
21
22
22
22
Feels °C
23
24
22
22
27
11
13
15
13
16
16
16
17
19
21
23
23
24
  • 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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