Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 2 am Sunday 26 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 10AM is: 1.3m 6s primary swell from a East-southeast direction and 0.1m 13s secondary swell from a Southeast direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00am April 26). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (26 Apr)4.5ft (1.3m)6s
Afternoon (26 Apr)4ft (1.2m)6s
Evening (26 Apr)3.5ft (1.1m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 20mm), heaviest during Sun night. Warm (max 20°C on Tue afternoon, min 13°C on Sun night). Wind will be generally light.

Sunday
26
Monday
27
Tuesday
28
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
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
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>
Wave
Height (m)
Direction
Period (s)
1.5
ESE
6
1.4
ESE
7
1.3
ESE
7
1.3
ESE
6
1.3
ESE
6
1.2
ESE
6
1.2
ESE
6
1.1
ESE
6
1.2
ESE
6
1.4
E
6
1.2
ESE
6
1.2
SE
6
1
ESE
7
0.9
ESE
7
0.8
ESE
7
0.9
ESE
7
0.6
E
7
0.7
ESE
7
0.6
E
7
0.5
E
7
0.5
E
8
0.4
ESE
8
0.7
SW
6
0.6
SW
6
Wave Graph
Metric surfscale
Energy kJ
176
158
137
133
129
107
114
90
119
141
103
109
83
64
53
77
37
52
38
27
29
19
37
29
Wind (km/h)
10
NE
15
NE
15
NE
20
ENE
15
E
20
ESE
20
ESE
15
NE
25
NE
25
NE
25
NE
15
NE
5
NW
10
W
5
E
10
ENE
20
ESE
10
ESE
10
SE
10
SSW
15
SW
25
SW
20
WSW
15
WSW
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
glassy
cross-off
cross-on
cross-on
cross-on
on
on
cross-on
cross
cross
cross-off
cross-off
High Tide
2:08AM1.32m
1:41PM1.10m
2:45AM1.38m
2:50PM1.20m
3:14AM1.42m
3:39PM1.29m
Low Tide
8:29AM0.78m
7:56PM0.51m
9:10AM0.63m
8:52PM0.53m
9:43AM0.49m
clear
clear
part cloud
clear
clear
cloud
part cloud
cloud
cloud
light rain
heavy rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
part 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>
6:27
6:28
6:28
5
11
2
1
1
Temp °C
15
14
14
16
17
17
17
17
16
13
13
15
15
17
17
16
16
16
17
17
19
20
19
18
13
11
11
13
14
13
14
14
12
8
9
13
15
16
17
15
13
15
17
17
17
16
16
17
Swell 1
Height (m)
Direction
Period (s)
0.2
SSW
7
0.1
SW
7
0.1
SW
7
0.1
SE
13
0.1
SE
11
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SE
13
0.1
SE
13
1.2
ESE
6
1.2
SE
6
1
SSW
6
1.2
SSW
7
1.3
SW
7
1.3
SW
7
1.1
SW
7
1
SSW
7
0.9
SSW
7
0.8
SSW
6
0.5
E
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
Energy kJ
5
2
2
7
5
2
2
2
7
6
103
109
82
125
179
158
109
96
70
52
29
19
19
19
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
8
0.1
SW
7
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
SE
12
1
ESE
7
0.9
ESE
7
0.8
ESE
7
0.7
ESE
7
0.6
E
7
0.7
ESE
7
0.6
E
7
0.5
E
7
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
7
Energy kJ
2
2
7
5
7
7
7
7
2
2
6
6
83
64
53
49
37
52
38
27
6
6
5
2
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
14
0.1
E
14
0.1
E
15
0.1
SE
11
0.1
SE
13
0.1
SE
11
0.1
SE
11
0.1
SW
7
0.1
SW
7
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.4
SSE
6
0.5
W
4
0.3
WNW
4
0.2
W
4
0.1
S
14
0.1
S
14
0.1
S
7
0.1
SE
12
Energy kJ
7
4
5
5
7
5
5
2
2
6
6
6
6
11
10
3
1
4
4
1
5
Wind waves
Height (m)
Direction
Period (s)
1.5
ESE
6
1.4
ESE
7
1.3
ESE
7
1.3
ESE
6
1.3
ESE
6
1.2
ESE
6
1.2
ESE
6
1.1
ESE
6
1.2
ESE
6
1.4
E
6
0.8
NE
4
0.7
NE
4
0.6
NE
4
0.3
N
4
0.9
WNW
4
0.9
ESE
7
0.6
ESE
4
0.7
SW
6
0.7
SW
6
0.7
SW
6
0.6
SW
6
Energy kJ
176
158
137
133
129
107
114
90
119
141
21
16
10
3
29
77
10
39
38
37
29
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
Distance (km)
104
104
13
208
145
208
150
13
150
150
351
66
2
2
6
13
94
94
94
65
208
211
664
1925
Best forecast wave conditions in Shizuoka
Rating
(10 max)
1
1
2
1
1
2
2
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
3
4
4
1
3
1
1
3
2
2
2
1
1
2
2
2
1
1
1
1
1
1
Header Global
Rating
(10 max)
4
5
5
8
5
7
6
5
7
7
9
9
8
7
5
6
6
6
5
5
5
5
5
5
  • 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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