Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 8 pm Thursday 07 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
18.3° C
(Which is 1.9°C colder than average for this time of year)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 1AM is: 1.0m 6s primary swell from a South direction and 0.6m 10s secondary swell from a East-southeast direction (forecast issued at 08:00pm May 07). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (08 May)2.5ft (0.7m)10s
Afternoon (08 May)2.5ft (0.7m)10s
Evening (08 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

Light rain (total 2mm), mostly falling on Fri morning. Warm (max 23°C on Fri afternoon, min 14°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the N by Sat night).

Thu
7
Friday
8
Saturday
9
Sunday
10
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
1
1
1
1
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
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><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
SSE
6
1
S
6
1
S
6
0.6
ESE
10
0.7
ESE
10
0.7
ESE
10
1
S
7
0.7
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
11
0.6
ESE
11
0.5
SE
11
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
11
0.6
ESE
11
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
Wave Graph
Metric surfscale
Energy kJ
88
81
78
68
90
90
92
92
71
73
75
75
55
53
51
51
54
55
75
72
68
67
65
63
Wind (km/h)
15
SW
15
WSW
10
WSW
10
W
10
WSW
10
SW
20
SW
30
WSW
30
W
35
W
40
WNW
40
WNW
40
W
35
W
15
WNW
10
NW
10
W
20
NW
10
NW
5
N
10
N
15
ENE
10
ESE
20
SE
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
off
cross-off
cross-off
cross
cross-on
on
High Tide
10:19PM1.28m
8:30AM1.23m
11:48PM1.29m
10:06AM1.10m
1:02AM1.33m
12:32PM1.07m
Low Tide
3:47AM1.00m
4:06PM0.40m
5:46AM0.96m
5:26PM0.50m
7:25AM0.83m
part cloud
clear
clear
part cloud
cloud
rain showers
light rain
part cloud
cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:50
4:50
4:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:36
6:36
6:37
6:37
1
1
Temp °C
20
19
19
19
19
20
22
23
22
19
16
15
14
17
21
21
20
16
15
15
15
17
19
18
19
19
19
19
20
21
21
20
17
12
6
6
5
9
17
17
17
11
12
13
13
13
16
14
Swell 1
Height (m)
Direction
Period (s)
1
SSE
6
1
S
6
1
S
6
0.7
SSE
6
0.7
SSE
6
0.8
SSE
6
1
S
7
0.7
ESE
10
0.6
ESE
10
1.3
S
7
1.1
S
7
0.9
SSW
7
0.6
S
7
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
11
0.6
ESE
11
0.9
W
6
0.7
W
5
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
Energy kJ
88
81
78
34
40
51
86
92
71
150
117
82
38
53
51
51
54
55
75
50
23
67
65
63
Swell 2
Height (m)
Direction
Period (s)
0.5
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.6
ESE
10
0.6
ESE
11
0.6
ESE
11
0.5
SE
11
0.4
S
7
0.4
S
7
0.3
S
7
0.3
S
7
0.2
S
7
0.1
S
7
0.6
ESE
10
0.6
ESE
10
0.5
W
4
0.3
W
4
0.2
W
4
Energy kJ
58
68
68
68
90
90
92
73
75
75
55
17
17
9
9
4
1
72
68
10
3
1
Swell 3
Height (m)
Direction
Period (s)
0.6
SSW
6
0.4
SSW
6
0.3
SSW
6
0.2
SSW
6
0.1
W
8
0.1
S
7
0.1
S
7
0.2
WSW
6
0.1
SW
6
0.1
SW
6
0.1
S
6
Energy kJ
29
12
7
4
1
1
1
4
2
1
1
Wind waves
Height (m)
Direction
Period (s)
0.6
SW
6
0.6
SSW
6
1.2
S
7
1.4
SSW
7
1.2
W
5
2
W
6
2.2
WNW
6
2
W
6
2.1
W
6
1.8
W
6
1.8
W
6
1.7
W
6
1.6
W
6
1.4
WNW
6
0.3
NW
5
1.1
WNW
5
0.2
E
4
0.7
E
4
0.9
ESE
5
Energy kJ
31
25
126
158
60
284
360
308
343
251
247
212
181
145
4
64
1
16
42
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
211
2
2
2
2
6
94
334
352
369
103
103
137
103
6
2
6
65
104
6
13
13
94
208
Best forecast wave conditions in Shizuoka
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
2
2
2
2
1
1
3
3
2
3
2
1
2
1
1
1
1
1
1
Header Global
Rating
(10 max)
8
5
5
6
7
7
6
8
7
6
5
7
7
5
5
5
6
5
5
5
4
5
4
4
  • 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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