Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 2 am Friday 29 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
20.0° C
(Which is 2.0°C colder than average for this time of year)

How big are the waves at Katahama today (29 May):

  • Morning surf: Morning surf (29 May, local time) - 2ft (0.6m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (29 May, local time) - 2ft (0.6m), 10s period with E swell.
  • Evening surf: Evening surf (29 May, local time) - 2ft (0.6m), 10s period with E swell.

The current surf forecast for Katahama at 7AM is: 0.6m 10s primary swell from a East direction and 0.2m 12s secondary swell from a East-southeast direction (forecast issued at 02:00am May 29). An open ocean swell of 1.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (29 May)2ft (0.6m)10s
Afternoon (29 May)2ft (0.6m)10s
Evening (29 May)2ft (0.6m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 30°C on Fri afternoon, min 20°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, calm by Sun morning).

Friday
29
Saturday
30
Sunday
31
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
1
0
0
1
1
0
0
0
0
1
1
1
2
2
1
0
0
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.7
E
9
0.7
ESE
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
11
0.6
E
11
0.6
E
11
0.7
E
11
0.7
E
11
0.7
E
11
0.7
E
10
0.7
E
10
0.5
S
16
0.7
S
15
0.9
S
14
0.6
E
10
0.6
E
10
0.6
E
10
Wave Graph
Metric surfscale
Energy kJ
73
96
67
68
67
67
67
68
67
65
83
85
85
114
112
110
106
104
122
208
325
73
73
75
Wind (km/h)
30
WSW
30
W
30
W
35
W
35
W
35
W
20
NNW
20
ENE
10
NE
5
NW
5
WNW
10
SW
20
SSW
20
SSW
15
WSW
10
W
5
NNW
5
NNW
5
N
5
SE
10
S
10
S
10
SSW
5
WNW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
cross
off
off
cross
cross
cross
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-off
High Tide
3:17AM1.52m
4:54PM1.39m
3:45AM1.55m
5:30PM1.43m
4:15AM1.58m
6:05PM1.45m
Low Tide
9:33PM0.86m
10:16AM0.24m
10:09PM0.90m
10:47AM0.16m
10:41PM0.94m
11:19AM0.10m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:35
4:35
4:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
Temp °C
23
22
22
26
29
30
26
23
21
21
20
23
24
25
25
22
21
20
20
23
24
25
24
23
21
19
19
22
23
24
24
22
22
22
20
22
20
21
22
21
21
20
19
22
23
23
23
22
Swell 1
Height (m)
Direction
Period (s)
0.7
E
9
0.7
ESE
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
1.3
SW
7
1.1
SW
7
0.9
SSW
7
0.8
SSW
7
1
E
6
0.9
ESE
6
0.7
SSW
7
0.7
E
11
0.7
E
11
0.7
E
11
0.7
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.9
S
14
1.1
S
13
1.2
S
13
1.3
S
12
Energy kJ
73
96
67
68
67
67
158
118
81
59
78
66
40
114
112
110
106
104
104
102
325
411
473
504
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
13
0.1
S
9
0.2
ESE
12
0.2
ESE
12
0.2
ESE
12
0.2
ESE
12
0.6
E
10
0.9
WNW
6
0.6
E
10
0.8
E
5
0.8
SSW
7
0.7
SSW
7
0.6
E
6
0.5
E
6
0.4
ESE
5
0.4
SW
6
0.4
SW
7
0.6
WSW
4
0.5
SW
4
0.7
S
15
0.7
E
10
0.6
E
10
0.6
E
10
0.6
E
10
Energy kJ
16
2
15
15
15
15
67
52
67
30
59
41
24
16
9
15
15
13
10
208
100
73
73
75
Swell 3
Height (m)
Direction
Period (s)
0.1
S
9
0.1
S
9
0.1
S
9
0.1
S
9
0.1
S
9
0.2
ESE
12
0.6
E
10
0.6
W
5
0.6
E
10
0.6
E
11
0.6
E
11
0.6
E
11
0.1
SE
9
0.1
SE
9
0.4
SSE
6
0.4
SSE
6
0.4
SSE
6
0.5
S
16
0.5
SW
6
0.4
SW
6
0.3
SE
12
0.3
S
16
0.4
S
4
Energy kJ
2
2
2
2
2
15
68
20
65
83
85
85
3
3
12
12
11
122
16
13
23
47
4
Wind waves
Height (m)
Direction
Period (s)
1.8
SW
7
1.9
SW
7
1.9
SW
7
1.8
WSW
7
2
WSW
6
2.2
WSW
6
1.4
W
6
0.5
E
4
1.3
E
6
0.7
SW
6
0.9
SW
6
0.6
SW
4
0.6
WSW
4
0.6
WSW
4
0.5
WSW
4
0.5
SSW
6
0.4
SW
3
Energy kJ
365
371
352
306
286
393
141
6
128
43
58
11
12
14
11
18
4
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
2
Distance (km)
103
103
103
103
103
65
352
103
104
2
2
6
65
208
65
6
6
6
2
2
94
6
6
2
Best forecast wave conditions in Shizuoka
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
2
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
4
3
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
2
3
3
4
Header Global
Rating
(10 max)
9
7
7
7
5
6
5
5
5
4
5
5
5
5
5
5
6
8
7
7
7
7
7
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

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