Nagai Point surfForecast / Kanagawa / Japan

information circle16 Day Weather and Surf, issued 2 am Tuesday 12 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
19.8° C
(Which is normal for this time of year)

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 Sunday (May 17) at 9PM. The primary swell is predicted to be 0.8m and 10s period. 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 1.3m 10s and forecast to arrive on Sunday (May 17) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (May 18) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sun 17th May)2.5ft (0.8m) 10s
Best Surf 9PM (Sun 17th May)2.5ft (0.8m) 10s
Most Powerful 6PM (Sun 17th May)4.5ft (1.3m) 10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 22°C on Thu afternoon, min 16°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Sun afternoon, min 17°C on Fri morning). Wind will be generally light.

Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.7
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.5
SE
11
0.4
SE
10
0.4
SE
10
0.4
SE
7
0.3
SE
7
0.2
SSE
6
0.2
SSE
11
0.1
SE
11
0.3
SE
8
0.3
SE
11
0.4
SE
7
0.3
SE
11
0.4
SE
7
0.8
SE
10
0.6
SE
9
0.4
SE
9
0.8
S
8
Wave Graph
Metric surfscale
Energy kJ
79
71
51
50
55
34
33
12
7
3
13
5
9
18
11
19
12
127
50
27
84
Wind (km/h)
5
SSE
15
SSW
5
ESE
10
NNE
15
SSW
15
N
15
NE
10
E
15
NE
0
SSE
15
SSW
15
SSW
10
S
20
SSW
5
SSE
5
NE
10
SSE
15
NE
10
NNE
10
ENE
5
ESE
cross-on
on
glassy
off
on
cross-off
off
cross-off
off
glassy
cross-on
on
cross-on
cross-on
cross
off
cross-on
off
off
off
glassy
High Tide
1:57PM1.15m
2:13AM1.30m
2:55PM1.25m
2:41AM1.35m
3:44PM1.33m
3:08AM1.40m
4:28PM1.39m
3:35AM1.44m
5:09PM1.42m
4:02AM1.47m
5:51PM1.42m
4:31AM1.49m
6:32PM1.39m
Low Tide
7:56PM0.55m
8:40AM0.44m
8:43PM0.59m
9:14AM0.28m
9:23PM0.63m
9:48AM0.14m
9:59PM0.69m
10:23AM0.04m
10:32PM0.74m
10:57AM-0.03m
11:04PM0.80m
11:33AM-0.06m
11:37PM0.86m
clear
clear
clear
part cloud
part cloud
rain showers
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:39
4:39
4:39
4:37
4:37
4:35
4:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:36
6:37
6:37
6:37
6:38
6:39
1
4
Temp °C
18
19
18
19
19
19
21
22
17
19
20
19
19
20
19
21
22
19
20
20
20
17
16
17
18
17
18
18
20
15
18
19
18
17
18
19
20
20
20
19
21
23
Swell 1
Height (m)
Direction
Period (s)
0.7
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.5
SE
11
0.4
SE
10
0.4
SE
10
0.4
SE
7
0.3
SE
7
0.2
SSE
6
0.2
ESE
8
0.2
ESE
8
0.3
SE
8
0.1
SE
11
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.8
SE
10
0.6
SE
9
0.4
SE
9
0.8
S
8
Energy kJ
79
71
51
50
55
34
33
12
7
3
7
7
9
5
11
11
12
127
50
27
84
Swell 2
Height (m)
Direction
Period (s)
0.1
S
9
0.1
S
8
0.1
SE
11
0.1
SE
10
0.2
ESE
10
0.2
ESE
11
0.2
ESE
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.3
SE
11
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
S
9
0.2
ESE
8
Energy kJ
1
1
5
4
9
11
12
5
5
5
18
4
4
4
2
7
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
10
0.1
SE
8
0.1
SE
8
0.2
SSE
11
0.1
S
6
0.1
S
6
0.1
SE
14
0.3
SE
11
0.1
SE
12
0.1
SE
11
Energy kJ
4
3
3
13
1
1
7
19
6
5
Wind waves
Height (m)
Direction
Period (s)
0.3
S
3
0.3
SSE
6
0.2
S
4
0.4
SSE
7
0.4
NE
3
0.4
NNE
3
0.3
NNE
3
Energy kJ
1
6
1
18
3
3
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
2
2
1
1
1
1
1
2
1
1
1
1
1
1
Distance (km)
9
23
9
9
12
27
27
41
39
9
55
73
12
55
39
9
51
0
9
27
1
Best forecast wave conditions in Kanagawa
Rating
(10 max)
1
1
1
1
1
1
2
1
1
1
1
2
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
1
1
1
1
2
2
1
4
4
2
2
Header Global
Rating
(10 max)
9
5
9
9
5
6
8
5
5
5
5
5
5
4
7
4
5
7
4
4
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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