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Surf Forecasts:

Nagahama surfForecast / Kanagawa / Japan

information circle12 Day Weather and Surf, issued 2 pm Sunday 23 Nov 2025 JST
Forecast update in hr  min  s Forecast update imminent
Nagahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nagahama sea temperature is
18.5° C
 (Which is 2.3°C colder than average for this time of year)

Best Forecast Surf Conditions for Nagahama this week:

The most powerful waves expected at Nagahama in the next 12 days are 2.3m 7s and forecast to arrive on Wednesday (Nov 26) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 8s period and expected on Monday (Nov 24) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 6AM (Wed 26th Nov)7.5ft (2.3m) 7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Very mild (max 17°C on Tue afternoon, min 13°C on Sun night). Winds increasing (calm on Sun night, gales from the WSW by Tue night).

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Thu night. Very mild (max 19°C on Fri afternoon, min 12°C on Fri night). Winds increasing (calm on Thu afternoon, strong winds from the SW by Fri morning).

Sun
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.3
SE
0.4
SE
0.1
SE
0.4
SE
0.4
SE
0.4
SE
0.3
SE
0.3
SE
1.7
SW
0.4
SW
0.2
SSW
0.1
SE
0.1
SE
0.6
SSW
1.5
SSW
1.8
SW
0.3
SSW
0.2
SSW
0.2
SSW
0.1
SE
0.4
SSW
Period(s) (?)7712888888951211466666115
Wave
Graph
(?)Metric surfscale
Energy kJ (?)71752325010103902135511154259655411
Wind
(km/h)
20
NNE
0
ENE
15
NNE
5
E
0
NE
5
NNE
20
SSW
50
SW
25
W
5
NW
40
N
15
ENE
5
S
20
SSW
35
WSW
20
WSW
25
NNE
30
NNE
15
NE
0
NE
10
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offglasscross-
off		glassglassoffononcross-
on		crosscross-
off		offglasscross-
on		oncross-
on		offcross-
off		offglasscross-
off
High Tide
/ height (m)
5:21PM
1.53
7:53AM
1.37
5:55PM
1.47
8:43AM
1.32
6:34PM
1.39
9:40AM
1.28
7:24PM
1.28
10:40AM
1.26
8:39PM
1.17
11:38AM
1.26
10:37PM
1.09
12:26PM
1.28
12:36AM
1.11
Low Tide
/ height (m)
12:39AM
0.05
12:39PM
1.02
1:21AM
0.13
1:25PM
1.04
2:07AM
0.24
2:29PM
1.04
3:01AM
0.37
4:01PM
1.01
4:05AM
0.49
5:43PM
0.90
5:20AM
0.60
6:55PM
0.75
6:34AM
0.68
Sun
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunrise--6:24--6:24--6:26--6:26--6:26--6:28--6:28
Sunset4:30--4:30--4:30--4:30--4:30--4:30--4:30--
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
clear
Rain (mm)
-------------3-------
Temp. °C141414161615171715181615151618191613141413
Feels °C (?)101312141413101012158131312101497101211
  • 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

Latest Updates

Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Ben Mondy

Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

Feel that? If you are in the northern hemisphere, you will have had that first bite of winter. The lick of a frost, the chill of a cold offshore breeze and the sound of winter swells pounding the shores. If you are near the mountains, your favourite jackets, gloves, and footwear might get dusted off and prepped for battle. And in that beautiful Venn diagram, you will find PrimaLoft. They have spent over 40 years developing innovative insulations that have powered your warmest winter gear. In t

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nagahama surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Nagahama at:
surf-forecast.com

Information about the Nagahama Surf forecast

The above surf forecast table for Nagahama provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Nagahama can be found by selecting the local surf guide option on the grey menu. Our Nagahama 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 (Nagahama) 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 Nagahama 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.

Nagahama 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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