Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Nagahama surfForecast / Kanagawa / Japan

information circle48hr Weather and Surf, issued 8 pm Tuesday 17 Mar 2026 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
14.9° C
 (Which is 2.0°C colder than average for this time of year)

How big are the waves at Nagahama today?

The current surf forecast for Nagahama at 5AM is: 0.2m 5s primary swell from a South-southeast direction (forecast issued at 08:00pm March 17). An open ocean swell of 0.1m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Mar)0.5ft (0.2m)5s
Afternoon (18 Mar)1ft (0.3m)6s
Evening (18 Mar)1.5ft (0.4m)6s

Table - waves today at Nagahama. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Tue
17
Wednesday
18
Thursday
19
Friday
20
6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.1
SE
0.2
SSE
0.2
SSE
0.2
SSE
0.2
SSE
0.2
SSE
0.3
SE
0.3
SE
0.3
SE
0.4
SE
0.5
SE
0.5
SSE
1.4
SSW
1.3
S
1.4
S
1.2
S
1
S
0.9
S
0.8
S
0.7
S
0.6
S
0.5
S
0.4
S
0.4
S
Period(s) (?)1155555666666578888888877
Wave
Graph
(?)Metric surfscale
Energy kJ (?)53332355591923117149227190140108805841281716
Wind
(km/h)
10
SE
10
SSW
5
SW
5
NNE
10
NNE
5
NNE
10
SSW
15
S
20
S
25
WSW
25
SW
20
SW
15
W
25
NNE
15
NNE
15
ENE
20
E
20
E
20
ENE
20
NE
20
NE
20
NNE
20
NNE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		glassoffcross-
off		offoncross-
on		cross-
on		ononononcross-
off		offoffcross-
off		cross-
off		cross-
off		offoffoffcross-
off		off
High Tide
/ height (m)
4:01PM
1.39
4:50AM
1.37
4:40PM
1.45
5:10AM
1.39
5:18PM
1.48
5:30AM
1.41
Low Tide
/ height (m)
10:29PM
0.14
10:41AM
0.39
11:00PM
0.18
11:09AM
0.27
11:28PM
0.26
11:39AM
0.18
Tue
17
Wednesday
18
Thursday
19
Friday
20
Sunrise----5:48-------5:48-------5:46---
Sunset-------5:50-------5:51-------5:52
part cloud
rain showers
rain showers
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
rain showers
part cloud
Rain (mm)
-11--------126----12221-
Temp. °C111212111111121314141313121113141413121010101011
Feels °C (?)810119891010109810105911108866657
  • 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

Surf-Forecast Premium Launches 16-day Forecast and New, Improved Modelling
Ben Mondy

Surf-Forecast Premium Launches 16-day Forecast and New, Improved Modelling

Get 16% off your subscription with code 16DAYS—available for 16 days only, until March 25, 2026. Surf-Forecast Premium just got better. All paid subscribers will now see a full 16-day forecast, surf reports and wind and tide data for over 7,000 of the world's best surf spots. Premium members will also have access to a new high-resolution forecast model, which enhances our current forecasts by making them quicker and more accurate. That’s more lead time. More confidence. More chances to score g

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal
travel
Surf Forecast

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal

Surf road trips just got even better. Surf-Forecast users can now save up to 20% on SIXT rental cars worldwide during the promotional period until March 31, 2026. Whether you’re planning a legendary California road trip, chasing waves along Europe’s coasts, or exploring remote surf destinations, this exclusive SIXT offer helps you travel smarter and cheaper. And if you want some inspiration on where to go, check out our article Five Iconic Surf Road Trips. Click and get your SIXT discount

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest