Nagai Point surfForecast / Kanagawa / Japan

information circle16 Day Weather and Surf, issued 2 pm Thursday 02 Apr 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
15.8° C
(Which is 1.6°C colder than average 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 Thursday (Apr 02) at 9PM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.4m and 8s. 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 3.5m 9s and forecast to arrive on Sunday (Apr 05) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 3s period and expected on Tuesday (Apr 07) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 2nd Apr)2.5ft (0.8m) 9s
Best Surf 9AM (Sun 5th Apr)6ft (1.9m) 10s
Most Powerful 3AM (Sun 5th Apr)11ft (3.5m) 9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 34mm), heaviest during Sat night. Very mild (max 17°C on Sat afternoon, min 11°C on Thu afternoon). Mainly near gales.

Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Mon night. Very mild (max 19°C on Sun afternoon, min 10°C on Tue night). Winds decreasing (strong winds from the NE on Tue night, calm by Wed morning).

Thu
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
S
0.6
S
0.4
SSE
0.3
SSE
0.4
SSE
0.8
S
1.7
S
3
S
1.9
S
1.6
S
0.9
S
1.1
SW
1.1
SSW
0.5
S
0.6
SSE
0.9
S
0.6
S
0.4
S
0.4
SSE
0.3
SSE
0.3
SE
Period(s) (?)9777566810988556977668
Wave
Graph
(?)Metric surfscale
Energy kJ (?)293401697392071082639417111151561232120401514810
Wind
(km/h)
15
NE
5
N
15
SW
25
S
25
SSW
20
SW
45
S
55
S
5
E
20
SSW
25
SW
10
WSW
25
SSW
15
S
5
SSW
15
SSW
35
NNE
15
NE
20
S
10
SW
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoncross-
on
cross-
on
oncross-
on
cross-
on
glassononcross-
on
oncross-
on
ononoffoffcross-
on
onglass
High Tide
/ height (m)
4:55PM
1.46
4:55AM
1.41
5:33PM
1.46
5:17AM
1.43
6:11PM
1.43
5:38AM
1.43
6:51PM
1.35
6:00AM
1.42
7:35PM
1.26
6:23AM
1.39
8:28PM
1.15
6:47AM
1.33
9:47PM
1.05
7:11AM
1.25
Low Tide
/ height (m)
10:59PM
0.33
11:11AM
0.13
11:27PM
0.42
11:42AM
0.07
11:53PM
0.52
12:15PM
0.04
12:19AM
0.63
12:50PM
0.05
12:44AM
0.74
1:30PM
0.11
1:08AM
0.85
2:17PM
0.20
1:32AM
0.95
Thu
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Sunrise--5:26--5:24--5:24--5:22--5:20--5:20--5:18
Sunset6:01--6:02--6:04--6:05--6:06--6:06--6:07--
part cloud
part cloud
clear
clear
part cloud
light rain
light rain
rain showers
cloud
cloud
clear
part cloud
light rain
mod rain
cloud
clear
part cloud
part cloud
part cloud
clear
clear
Rain (mm)
-----1231----19-------
Temp. °C131314151616171717191717181516181411131414
Feels °C (?)1010910128891714141615141516658129
  • Map Icons:
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  • 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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