Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 31 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
15.1° C
(Which is 2.8°C colder than average for this time of year)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 3PM is: 0.2m 10s primary swell from a East direction and 0.1m 10s secondary swell from a East direction (forecast issued at 08:00am March 31). An open ocean swell of 5.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (31 Mar)1ft (0.3m)9s
Afternoon (31 Mar)0.5ft (0.2m)10s
Evening (31 Mar)0.5ft (0.1m)16s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
31
Wednesday
01
Thursday
02
Fri
03
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
SSW
0.3
E
0.2
E
0.2
E
5.5
SSW
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
1.1
SSE
1
SSE
1
SSE
0.9
SSE
0.9
SSE
0.9
SSE
0.1
SE
0.1
SE
0.4
SE
0.3
ESE
0.3
ESE
0.9
ESE
0.7
E
Period(s) (?)69101011161616161515887777141478855
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1261512801010101099135120104816884881713133821
Wind
(km/h)
15
S
20
S
30
SSW
50
SSW
45
SW
30
W
30
WSW
30
W
10
WNW
5
E
15
SE
15
SSE
15
ENE
20
NE
25
NE
10
N
15
W
25
W
25
W
15
N
10
NE
5
ESE
10
ESE
5
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
crosscrosscross-
off
cross-
off
cross-
off
offcross-
on
oncross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
4:28AM
1.43
4:27PM
1.38
4:47AM
1.47
5:01PM
1.43
5:06AM
1.51
5:34PM
1.46
Low Tide
/ height (m)
10:40AM
0.48
10:41PM
0.35
11:03AM
0.37
11:06PM
0.39
11:27AM
0.26
11:31PM
0.44
Tuesday
31
Wednesday
01
Thursday
02
Fri
03
Sunrise5:35-------5:35-------5:33-------
Sunset----6:06-------6:07-------6:07---
light rain
heavy rain
heavy rain
heavy rain
light rain
light rain
clear
part cloud
cloud
cloud
cloud
light rain
mod rain
mod rain
mod rain
mod rain
light rain
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
Rain (mm)
216331621-----386872-------
Temp. °C161516181818141413151414131212131313161513121212
Feels °C (?)1412121112148911141212118712118101111101011
  • 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

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.


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