Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 2 pm Saturday 25 Apr 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
18.1° C
(Which is 1.2°C colder than average for this time of year)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 5PM is: 1.6m 6s primary swell from a East direction and 0.3m 7s secondary swell from a South direction (forecast issued at 02:00pm April 25). An open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (25 Apr)--
Afternoon (25 Apr)5ft (1.6m)6s
Evening (25 Apr)5ft (1.5m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 19mm), heaviest on Sun night. Very mild (max 18°C on Tue morning, min 13°C on Sat night). Mainly fresh winds.

Sat
25
Sunday
26
Monday
27
Tue
28
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
1
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.6
E
6
1.6
E
6
1.6
E
6
1.5
E
6
1.5
ESE
6
1.4
ESE
7
1.3
ESE
7
1.2
ESE
6
1
E
7
1.2
ESE
6
1.1
ESE
6
1.1
ESE
6
1.2
ESE
6
1.4
E
6
1.2
ESE
6
1.5
E
6
1.3
ESE
6
1
ESE
7
0.9
ESE
7
0.7
ESE
7
0.8
ESE
7
0.8
E
7
0.7
E
7
0.6
E
7
Wave Graph
Metric surfscale
Energy kJ
200
209
213
194
176
158
152
127
93
107
97
93
127
144
110
176
129
96
79
45
60
57
47
37
Wind (km/h)
15
ENE
15
E
20
ESE
15
E
10
NE
10
NE
10
NE
15
ENE
15
E
15
ESE
15
E
15
ENE
20
NE
30
NE
30
NE
15
NNE
5
WNW
5
SSE
5
SSE
5
SSE
10
SSE
5
S
5
NW
5
WSW
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-off
cross-off
glassy
on
on
cross-on
glassy
glassy
glassy
High Tide
11:36AM1.05m
2:08AM1.32m
1:41PM1.10m
2:45AM1.38m
2:50PM1.20m
3:14AM1.42m
Low Tide
6:41PM0.49m
8:29AM0.78m
7:56PM0.51m
9:10AM0.63m
8:52PM0.53m
cloud
part cloud
cloud
clear
clear
part cloud
clear
part cloud
clear
part cloud
cloud
cloud
light rain
light rain
mod rain
rain showers
light rain
light rain
part cloud
part cloud
cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:01
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:27
6:28
6:28
1
4
9
3
1
1
Temp °C
16
17
16
16
15
14
13
15
16
17
17
17
15
13
13
15
15
15
16
16
16
16
15
17
12
14
12
13
13
12
10
12
13
14
15
14
11
7
8
13
15
15
16
16
16
16
15
17
Swell 1
Height (m)
Direction
Period (s)
0.4
SW
8
0.3
S
7
0.3
S
7
0.2
SSW
7
0.2
SSW
7
0.2
SSW
7
0.1
SW
7
0.1
SE
13
0.7
SE
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SE
13
0.1
SE
13
1.2
ESE
6
0.1
SE
12
1.3
ESE
6
1
ESE
7
0.9
ESE
7
0.9
SSW
6
0.9
SSW
6
0.9
SSW
7
0.8
SSW
6
0.8
SSW
6
Energy kJ
16
9
9
5
5
5
2
7
38
2
2
2
7
6
110
6
129
96
79
57
66
68
54
51
Swell 2
Height (m)
Direction
Period (s)
0.3
S
7
0.3
SW
8
0.1
SW
8
0.1
SW
8
0.1
SW
8
0.1
E
14
0.1
SE
13
0.1
SE
11
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SW
7
0.1
SW
7
0.1
SE
13
0.1
SW
7
0.2
N
4
0.5
S
6
0.5
SW
7
0.7
ESE
7
0.1
SE
12
0.8
E
7
0.7
E
7
0.6
E
7
Energy kJ
9
9
2
2
2
4
7
5
7
7
7
7
2
2
6
2
1
16
21
45
6
57
47
37
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
8
0.1
SE
14
0.1
SE
14
0.1
E
16
0.1
E
15
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SW
7
0.1
SW
7
0.1
N
5
0.1
SW
7
0.1
SW
7
0.5
S
6
0.1
SE
12
0.1
S
15
0.2
W
4
Energy kJ
2
8
7
5
5
5
5
5
5
2
2
1
2
2
17
6
4
1
Wind waves
Height (m)
Direction
Period (s)
1.6
E
6
1.6
E
6
1.6
E
6
1.5
E
6
1.5
ESE
6
1.4
ESE
7
1.3
ESE
7
1.2
ESE
6
1
E
7
1.2
ESE
6
1.1
ESE
6
1.1
ESE
6
1.2
ESE
6
1.4
E
6
0.8
NNE
4
1.5
E
6
1.1
ENE
6
1.1
NE
6
1.2
E
6
0.8
ESE
7
Energy kJ
200
209
213
194
176
158
152
127
93
107
97
93
127
144
21
176
91
83
120
60
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
2
1
1
1
1
1
1
3
1
1
4
2
1
2
1
1
1
1
1
1
Distance (km)
334
334
150
104
619
104
104
150
13
150
145
437
103
103
352
352
94
13
2
6
103
65
13
13
Best forecast wave conditions in Shizuoka
Rating
(10 max)
1
1
2
2
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
4
2
1
4
4
4
4
4
1
1
3
3
3
4
3
2
2
2
2
2
1
1
1
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
8
5
8
6
6
7
7
9
9
8
7
5
6
6
6
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest