Nagai Point surfForecast / Kanagawa / Japan

information circle16 Day Weather and Surf, issued 2 am Saturday 14 Mar 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
15.2° 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 Saturday (Mar 14) at 3PM. The primary swell is predicted to be 0.8m and 10s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Nagai Point in the next 16 days are 1.8m 6s and forecast to arrive on Friday (Mar 20) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Saturday (Mar 14) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Sat 14th Mar)2.5ft (0.8m) 10s
Best Surf12PM (Fri 20th Mar)6ft (1.8m) 6s
Most Powerful12PM (Fri 20th Mar)6ft (1.8m) 6s

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 Sun night. Very mild (max 12°C on Sat afternoon, min 7°C on Sat morning). Winds decreasing (strong winds from the NNE on Sat morning, calm by Sun afternoon).

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Tue night. Very mild (max 15°C on Wed afternoon, min 11°C on Tue morning). Mainly fresh winds.

Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.5
SSE
0.8
SSE
0.8
SE
0.6
SE
0.6
SE
0.4
SE
0.4
SE
0.3
SE
0.2
E
0.1
S
0.1
SE
0.4
S
0.6
SSE
0.6
S
0.5
S
0.4
SSE
0.4
SSE
0.4
SSE
0.2
S
1.3
S
0.9
SSW
Period(s) (?)10101010101010111411113455566678
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6012512084643501902531119141011143161107
Wind
(km/h)
40
NNE
25
NE
20
NNE
20
NNE
5
WNW
15
E
20
NNE
5
SW
10
SE
10
ESE
25
S
20
S
15
N
25
SSW
20
SW
20
NNE
10
ESE
10
ENE
10
NNE
10
NE
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
off
glasscross-
off
offglasscrosscross-
off
cross-
on
cross-
on
cross-
off
cross-
on
onoffcross-
off
cross-
off
offoffcross-
off
High Tide
/ height (m)
1:00PM
1.08
3:52AM
1.25
2:23PM
1.18
4:11AM
1.30
3:17PM
1.30
4:30AM
1.34
4:01PM
1.39
4:50AM
1.37
4:40PM
1.45
5:10AM
1.39
5:18PM
1.48
5:30AM
1.41
5:55PM
1.46
Low Tide
/ height (m)
8:32PM
0.23
9:19AM
0.82
9:18PM
0.17
9:46AM
0.67
9:56PM
0.14
10:13AM
0.53
10:29PM
0.14
10:41AM
0.39
11:00PM
0.18
11:09AM
0.27
11:28PM
0.26
11:39AM
0.18
11:55PM
0.35
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise5:54--5:52--5:52--5:50--5:48--5:48--5:46--
Sunset-5:46--5:47--5:49--5:50--5:50--5:51--5:52-
clear
clear
clear
clear
clear
rain showers
part cloud
clear
part cloud
part cloud
part cloud
rain showers
clear
part cloud
part cloud
part cloud
light rain
cloud
light rain
light rain
part cloud
Rain (mm)
-----1-----3----1-21-
Temp. °C91210101111101111121313121514141414121313
Feels °C (?)065687677777998121211101110
  • 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 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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