Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 8 pm Monday 25 May 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
19.6° C
(Which is 2.2°C colder than average for this time of year)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 2AM is: 1.1m 8s primary swell from a East-southeast direction (forecast issued at 08:00pm May 25). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (26 May)3.5ft (1.0m)8s
Afternoon (26 May)3.5ft (1.0m)8s
Evening (26 May)3.5ft (1.0m)8s

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 10mm), heaviest on Thu afternoon. Warm (max 24°C on Tue afternoon, min 19°C on Mon night). Wind will be generally light.

Mon
25
Tuesday
26
Wednesday
27
Thursday
28
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
12 PM
3 PM
Rating
(10 max)
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
1
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
1
ESE
8
1
ESE
8
1.1
ESE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.8
ESE
8
0.7
ESE
9
0.7
ESE
9
1.2
S
5
Wave Graph
Metric surfscale
Energy kJ
170
170
159
138
133
137
137
125
140
137
144
116
113
133
133
159
133
113
116
94
94
79
79
83
Wind (km/h)
15
SE
10
ESE
5
ENE
5
NNE
5
NNE
10
ENE
10
E
10
ESE
10
ESE
5
E
10
NE
10
NE
10
NE
15
ENE
10
E
10
SSE
10
SE
5
SE
5
ESE
5
NE
5
SE
10
SSW
10
S
5
ESE
on
cross-on
cross
glassy
cross-off
cross
cross-on
on
on
cross-on
cross
cross
cross
cross
cross-on
cross-on
on
on
glassy
glassy
glassy
cross-on
cross-on
glassy
High Tide
1:36AM1.43m
2:28PM1.19m
2:15AM1.46m
3:27PM1.27m
2:48AM1.49m
Low Tide
6:49PM0.67m
8:23AM0.59m
7:54PM0.75m
9:07AM0.46m
8:49PM0.81m
9:43AM0.34m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:37
4:37
4:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:49
6:50
6:51
6:51
1
4
Temp °C
21
20
20
19
19
21
23
24
23
22
21
21
20
23
24
24
23
22
22
22
22
22
21
20
20
20
21
21
20
21
23
24
23
23
21
21
19
22
24
24
24
24
25
25
24
24
23
23
Swell 1
Height (m)
Direction
Period (s)
0.5
S
8
0.4
SSW
7
1.2
ESE
8
1.1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
0.3
ENE
11
0.3
ENE
10
1
ESE
8
0.9
ESE
8
0.9
ESE
8
1
ESE
8
1
ESE
8
0.2
ESE
14
0.2
ESE
14
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.8
ESE
8
0.7
ESE
9
0.7
ESE
9
0.8
S
5
Energy kJ
29
17
159
138
133
137
137
125
22
19
144
116
113
133
133
19
19
113
116
94
94
79
79
31
Swell 2
Height (m)
Direction
Period (s)
0.4
ENE
12
0.4
ENE
12
0.4
ENE
12
0.4
ENE
12
0.4
SSE
7
0.4
S
6
0.4
S
6
0.3
ENE
11
0.3
S
6
0.3
S
6
0.2
S
6
0.2
S
6
0.2
S
6
0.2
S
6
0.2
ESE
14
0.1
SE
10
0.1
SE
10
0.2
ESE
14
0.2
ESE
14
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.6
SSW
4
0.7
ESE
8
Energy kJ
44
46
46
44
15
13
12
22
7
6
3
3
2
2
19
4
4
19
18
18
18
17
15
73
Swell 3
Height (m)
Direction
Period (s)
0.1
E
16
0.2
SSE
7
0.4
SE
7
0.3
SSE
7
0.4
ENE
11
0.4
ENE
11
0.3
ENE
11
0.3
S
6
0.1
SE
15
0.1
SE
15
0.2
E
11
0.2
E
10
0.1
SE
14
0.1
SE
14
0.2
S
6
0.1
S
5
0.1
S
5
0.1
SE
10
0.1
SE
10
0.2
ESE
13
0.2
ESE
13
Energy kJ
5
5
12
9
41
40
23
7
9
8
9
8
8
8
2
1
1
4
4
17
17
Wind waves
Height (m)
Direction
Period (s)
1.2
ESE
8
1.2
ESE
8
1
ESE
8
1
ESE
8
0.4
NE
3
0.4
NE
3
0.3
NE
3
1.1
ESE
8
1
ESE
8
0.4
SW
3
0.5
SW
3
0.6
SSW
4
0.8
S
5
1.2
S
5
Energy kJ
170
170
140
137
2
2
1
159
133
3
6
12
27
83
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
104
103
2
2
2
13
13
13
85
2
13
13
13
13
13
13
103
13
6
6
6
6
65
65
Best forecast wave conditions in Shizuoka
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
2
1
1
2
1
1
1
2
2
2
2
2
1
2
2
2
2
3
3
3
Header Global
Rating
(10 max)
5
4
4
4
4
4
5
5
9
9
9
5
6
7
7
7
8
9
9
7
6
9
7
9
  • 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