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Surf Forecasts:

Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 10 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
14.9° C
 (Which is 2.4°C colder than average for this time of year)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 11AM is: 0.3m 11s primary swell from a East direction (forecast issued at 08:00am March 10). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (10 Mar)0.5ft (0.1m)10s
Afternoon (10 Mar)2.5ft (0.8m)6s
Evening (10 Mar)3ft (0.9m)4s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Tuesday
10
Wednesday
11
Thursday
12
Fri
13
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
1
2
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.3
E
0.8
E
0.9
E
0.9
E
0.6
E
0.6
E
0.1
SE
0.9
E
0.6
E
0.6
E
0.3
E
0.3
E
0.6
E
0.6
E
0.7
E
0.4
E
0.5
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
Period(s) (?)1010116444491155141414131415151414141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2223402831101131781616373712912718868104186183183183180
Wind
(km/h)
5
NW
10
WNW
5
E
25
SE
20
ENE
15
NE
15
NNE
10
NE
5
N
5
ENE
5
SSE
5
S
10
SSE
0
NNE
10
N
10
NNE
15
NE
15
NE
10
E
10
S
10
SSW
0
NE
15
NNE
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
on		oncross-
on		crosscross-
off		cross-
off		cross-
off		crossglasscross-
on		cross-
on		glasscross-
off		cross-
off		cross-
off		crosscross-
on		cross-
on		cross-
on		glasscross-
off		cross-
off
High Tide
/ height (m)
8:34AM
1.37
11:04PM
1.03
9:13AM
1.26
2:25AM
1.08
10:26AM
1.14
Low Tide
/ height (m)
4:02PM
0.35
3:13AM
0.93
5:29PM
0.41
5:34AM
1.05
7:17PM
0.40
Tuesday
10
Wednesday
11
Thursday
12
Fri
13
Sunrise-6:05-------6:03-------6:03------
Sunset---5:49-------5:50-------5:51----
cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
cloud
cloud
Rain (mm)
------------------------
Temp. °C781010877777789987779109987
Feels °C (?)347433344455675432676742
  • 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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