Nagai Point surfForecast / Kanagawa / Japan

information circle16 Day Weather and Surf, issued 2 pm Saturday 30 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Nagai Point surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nagai Point sea temperature is
20.6° C
(Which is 1.1°C colder than average for this time of year)

Nagai Point surf forecast from 30 May 2026:

  • Best quality surf: Friday 5 Jun, 12AM (local time) - 3.5ft (1.0m), 9s period, S swell with cross-offshore winds.
  • Most powerful swell: Thursday 4 Jun, 3AM (local time) - 10ft (3.0m), 13s period, SSW swell with 2,852 kJ wave energy.
  • Next surfable swell (1★+): Thursday 4 Jun, 9PM (local time) - 3.5ft (1.1m), 9s period with S swell.

Best Forecast Surf Conditions for Nagai Point this week:

The surf forecast for Nagai Point over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jun 04) at 9PM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 0.4m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Nagai Point in the next 16 days are 3.0m 13s and forecast to arrive on Thursday (Jun 04) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Friday (Jun 05) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 4th Jun)3.5ft (1.1m) 9s
Best Surf12AM (Fri 5th Jun)3.5ft (1.0m) 9s
Most Powerful 3AM (Thu 4th Jun)10ft (3.0m) 13s

Table - best surf conditions forecast for Nagai Point over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 20°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the SSW by Mon afternoon).

Days 5-7 Weather Summary

Heavy rain (total 169mm), heaviest during Wed night. Warm (max 22°C on Wed night, min 19°C on Wed morning). Winds decreasing (near gales from the NNW on Thu morning, calm by Fri morning).

Sat
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
1
2
0
0
0
0
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)
0.6
S
6
0.3
SSE
6
0.3
S
15
0.5
S
13
0.6
S
12
0.6
S
11
0.6
SSW
16
1
SSW
14
1
SSW
14
0.6
SSW
14
0.8
SSW
12
1.1
SSE
6
3
SE
8
3
SSE
10
1.6
SSW
12
1.1
SSW
10
1
S
9
0.7
S
8
0.6
S
8
0.6
S
7
0.5
S
7
Wave Graph
Metric surfscale
Energy kJ
30
8
39
81
98
86
198
394
352
145
193
74
1225
1887
677
232
155
66
45
40
27
Wind (km/h)
30
S
10
SSW
10
NNE
10
SSW
25
SW
5
SSW
30
SSW
25
SSW
25
SSW
30
S
15
S
25
SE
30
E
30
E
60
NNW
20
N
5
NNE
10
NE
10
SSW
10
E
10
E
cross-on
on
off
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-on
cross-off
cross-off
High Tide
4:51PM1.39m
3:30AM1.47m
5:33PM1.42m
4:02AM1.50m
6:14PM1.42m
4:35AM1.50m
6:55PM1.40m
5:10AM1.49m
7:37PM1.37m
5:47AM1.45m
8:21PM1.33m
6:29AM1.38m
9:06PM1.29m
7:18AM1.29m
Low Tide
10:04PM0.83m
10:33AM-0.00m
10:40PM0.88m
11:10AM-0.05m
11:16PM0.91m
11:48AM-0.05m
11:52PM0.94m
12:26PM-0.01m
00:31AM0.95m
1:06PM0.07m
1:16AM0.96m
1:49PM0.17m
2:11AM0.95m
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
mod rain
heavy rain
heavy rain
light rain
cloud
part cloud
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:28
4:28
4:28
4:28
4:26
4:26
4:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:47
6:49
6:50
6:50
6:51
6:52
6:52
6:52
9
35
124
1
Temp °C
22
22
24
25
22
22
21
21
21
21
21
19
19
22
21
22
21
21
21
20
20
19
20
25
24
19
22
18
18
19
18
19
17
16
21
16
21
22
22
20
19
21
Swell 1
Height (m)
Direction
Period (s)
0.1
SE
12
0.3
SSW
3
0.3
SSE
6
0.5
S
13
0.6
S
12
0.6
S
6
0.6
SSW
16
1
SSW
14
1
SSW
14
0.7
SSW
12
0.8
SSW
12
0.5
SW
12
1.7
SSE
8
3
SSE
10
1.6
SSW
12
1.1
SSE
9
1
S
9
0.7
S
8
0.6
S
8
0.6
S
7
0.5
S
7
Energy kJ
5
2
7
81
98
23
198
394
352
145
193
71
310
1887
677
193
155
66
45
40
27
Swell 2
Height (m)
Direction
Period (s)
0.1
S
13
0.3
SSE
6
0.3
S
15
0.3
SSE
6
0.1
SE
12
0.6
S
11
0.5
S
10
0.1
SE
11
0.1
SE
11
0.6
SSW
14
0.1
SE
11
0.4
SW
15
0.5
SW
15
1.6
SW
14
1.5
SSE
10
1.1
SSW
10
0.9
SE
9
0.3
SE
8
0.2
ESE
8
0.1
SE
12
0.1
SE
11
Energy kJ
3
8
39
6
5
86
48
5
5
123
5
56
107
988
446
232
126
11
6
5
5
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
6
0.1
SE
11
0.1
SE
12
0.1
SE
12
0.3
SE
11
0.3
SSW
14
0.1
SE
11
0.4
SE
11
0.1
S
15
0.1
SE
11
0.2
E
9
0.1
SE
11
0.1
S
14
0.6
S
8
0.1
SE
12
0.2
SSE
7
0.1
SE
11
Energy kJ
10
5
6
6
20
39
5
30
4
5
7
4
4
51
6
5
5
Wind waves
Height (m)
Direction
Period (s)
0.6
S
6
0.4
SW
3
0.9
SSW
5
0.7
S
4
0.5
SSW
4
0.4
SSW
3
0.6
S
4
0.7
S
5
1.1
SSE
6
3
SE
8
0.5
SSE
4
0.4
E
4
Energy kJ
30
2
38
12
9
4
9
29
74
1225
8
6
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
2
2
3
2
1
1
3
3
4
2
2
1
1
1
1
Distance (km)
73
73
9
12
23
6
73
23
73
73
23
33
840
509
67
4
0
1
12
12
491
Best forecast wave conditions in Kanagawa
Rating
(10 max)
1
1
1
2
2
1
2
2
2
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
1
2
3
3
3
4
4
4
4
4
3
3
3
4
2
3
2
1
1
1
Header Global
Rating
(10 max)
5
7
7
6
5
5
4
4
5
6
4
6
5
5
4
4
9
5
5
9
8
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Nagai Point Surf forecast

The above surf forecast table for Nagai Point provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nagai Point can be found by selecting the local surf guide option on the grey menu. Our Nagai Point surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Nagai Point) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Nagai Point may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Nagai Point is 6 km (4 miles) from Miura. If you plan a holiday in Kanagawa, look for hotels and other accommodation in Miura. Miura has rooms for a wide range of budgets as well as car hire and transport links.

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