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Surf Forecasts:

Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 8 am Thursday 20 Nov 2025 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
20.8° C
 (Which is slightly cooler than normal)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 1PM is: 0.3m 8s primary swell from a Southeast direction and 0.3m 5s secondary swell from a East direction (forecast issued at 08:00am November 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Nov)1ft (0.3m)8s
Afternoon (20 Nov)1ft (0.3m)8s
Evening (20 Nov)0.5ft (0.2m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
20
Friday
21
Saturday
22
Sun
23
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
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
Period(s) (?)888871099991099101010111111101010109
Wave
Graph
(?)Metric surfscale
Energy kJ (?)101010109999891089910112423222234333229
Wind
(km/h)
5
WNW
10
W
20
W
25
W
25
W
20
WNW
20
WNW
25
W
30
W
30
W
35
W
40
W
35
WNW
40
WNW
35
W
25
WNW
10
NW
5
ENE
10
SE
5
ESE
5
ESE
10
N
10
N
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffglassononglasscross-
off		cross-
off		cross-
off
High Tide
/ height (m)
5:37AM
1.52
4:33PM
1.68
6:13AM
1.53
5:03PM
1.69
6:51AM
1.53
5:36PM
1.68
Low Tide
/ height (m)
10:54AM
0.95
11:31PM
0.16
11:25AM
0.97
12:04AM
0.13
12:00PM
1.00
12:41AM
0.14
Thursday
20
Friday
21
Saturday
22
Sun
23
Sunrise-6:24-------6:24-------6:26------
Sunset---4:38-------4:38-------4:38----
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
part cloud
clear
Rain (mm)
------------------------
Temp. °C101114151312101111121616151312111012151516151413
Feels °C (?)8888665545877445710121214121110
  • 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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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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