Nagai Point surfForecast / Kanagawa / Japan

information circle12 Day Weather and Surf, issued 8 pm Tuesday 23 Dec 2025 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
18.2° C
(Which is slightly cooler than normal)


Best Forecast Surf Conditions for Nagai Point this week:

The surf forecast for Nagai Point over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Dec 24) at 6PM. The primary swell is predicted to be 1.6m and 8s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Nagai Point in the next 12 days are 2.4m 8s and forecast to arrive on Friday (Dec 26) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Wednesday (Dec 24) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Wed 24th Dec)5ft (1.6m) 8s
Best Surf 6PM (Wed 24th Dec)5ft (1.6m) 8s
Most Powerful 9AM (Fri 26th Dec)8ft (2.4m) 8s

Table - best surf conditions forecast for Nagai Point over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 18mm), heaviest on Wed morning. Very mild (max 15°C on Thu night, min 6°C on Wed morning). Winds increasing (calm on Wed night, near gales from the WSW by Thu night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 13°C on Mon afternoon, min 3°C on Fri night). Winds increasing (calm on Sun afternoon, strong winds from the SW by Mon afternoon).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
1
2
2
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SE
0.5
SSE
1.5
S
1.5
S
1.2
SSE
1.1
S
1.7
SSW
2.4
SW
0.5
SSW
0.3
SW
0.2
SSE
0.2
SSE
0.2
SSE
0.3
SE
0.2
SSE
0.2
SSE
0.2
SSE
0.2
SSE
0.2
SSE
0.3
SE
0.1
S
Period(s) (?)8588888861098998888777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)18172592981971573656751915777147666581
Wind
(km/h)
15
NNE
30
NNE
20
N
5
NNW
15
NE
20
NNE
20
WSW
20
NW
35
N
20
NNE
20
NNE
5
NNE
5
NE
10
N
0
ENE
5
SSE
10
N
30
SW
45
WSW
25
WSW
50
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offcross-
off
glassoffcross-
off
oncrosscross-
off
offoffoffoffcross-
off
glasscrosscross-
off
ononcross-
on
on
High Tide
/ height (m)
8:14AM
1.35
6:46PM
1.36
8:50AM
1.32
7:37PM
1.27
9:28AM
1.29
8:40PM
1.17
10:07AM
1.27
10:03PM
1.08
10:51AM
1.25
11:54PM
1.03
11:38AM
1.26
1:46AM
1.07
12:28PM
1.28
Low Tide
/ height (m)
1:10AM
0.08
1:27PM
0.87
1:49AM
0.19
2:17PM
0.83
2:31AM
0.32
3:16PM
0.78
3:15AM
0.47
4:26PM
0.71
4:07AM
0.63
5:43PM
0.61
5:12AM
0.77
6:55PM
0.48
6:30AM
0.87
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
Sunrise-6:47--6:47--6:48--6:48--6:48--6:48--6:48-
Sunset--4:34--4:34--4:35--4:36--4:36--4:37--4:37
light rain
heavy rain
light rain
part cloud
light rain
cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
cloud
part cloud
Rain (mm)
3131-1----------------
Temp. °C98101312131511944667911913121315
Feels °C (?)4361299105-1-5-22336856344
  • 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

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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 12 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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