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Surf Forecasts:

Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 2 am Sunday 15 Mar 2026 JST
Forecast update in hr  min  s Forecast update imminent
Katahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Katahama sea temperature is
14.5° C
 (Which is 3.0°C colder than average for this time of year)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 10AM is: 1.4m 10s primary swell from a East-southeast direction (forecast issued at 02:00am March 15). An open ocean swell of 0.6m 16s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (15 Mar)4.5ft (1.3m)10s
Afternoon (15 Mar)4.5ft (1.4m)10s
Evening (15 Mar)4ft (1.2m)11s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Sunday
15
Monday
16
Tuesday
17
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
3
3
2
1
1
0
1
2
2
3
3
3
4
2
1
2
3
3
3
2
1
0
0
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
SE
1.6
ESE
1.4
ESE
1.3
ESE
1.4
ESE
1.4
ESE
1.3
ESE
1.2
ESE
1.2
ESE
1.3
ESE
1.4
ESE
1.5
E
1.6
E
1.6
E
1.6
E
1.5
E
1.5
E
1.4
E
1.4
E
1.3
E
1.2
E
1.1
E
1.1
E
1.1
E
Period(s) (?)111010101010101110131413141414131313131313131213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)40850043538241841835832230451466182410771014943806772673663563463377371380
Wind
(km/h)
5
NNE
5
N
5
N
5
NE
5
ESE
10
SSE
5
SSE
5
SW
5
NNW
5
NNE
10
N
10
NNE
5
E
15
S
15
S
5
SSE
5
NNW
5
N
10
NNE
5
NE
10
SSE
15
S
10
S
5
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		crossononcross-
on		glassglasscross-
off		cross-
off		cross-
off		glasscross-
on		cross-
on		cross-
on		glasscross-
off		cross-
off		crossoncross-
on		cross-
on		glass
High Tide
/ height (m)
4:22AM
1.35
3:31PM
1.26
4:42AM
1.40
4:12PM
1.35
5:01AM
1.44
4:47PM
1.42
Low Tide
/ height (m)
9:32PM
0.28
10:19AM
0.74
10:11PM
0.25
10:43AM
0.62
10:42PM
0.25
11:05AM
0.51
Sunday
15
Monday
16
Tuesday
17
Sunrise--5:58-------5:56-------5:56-----
Sunset-----5:52-------5:53-------5:54--
clear
clear
part cloud
cloud
cloud
part cloud
clear
part cloud
clear
clear
part cloud
cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C10991010111111101091011121112111091112121212
Feels °C (?)766788998867998101086999911
  • 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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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 Katahama 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 Katahama at:
surf-forecast.com

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