Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 2 pm Wednesday 06 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 9PM is: 0.8m 6s primary swell from a Southeast direction and 0.4m 9s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 06). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (06 May)--
Afternoon (06 May)2.5ft (0.8m)6s
Evening (06 May)2.5ft (0.8m)6s

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 afternoon. Warm (max 23°C on Sat morning, min 15°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the W by Fri night).

Wed
6
Thursday
7
Friday
8
Sat
9
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
1
1
1
1
1
0
0
0
1
1
1
1
0
0
0
1
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>
<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)
0.7
SE
6
0.8
SE
6
0.8
SE
6
0.8
SE
6
0.7
SE
6
0.7
ESE
6
0.7
ESE
6
0.7
SE
6
0.5
ESE
10
0.8
SE
7
0.9
SE
7
0.9
SSE
7
0.9
SSE
7
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
1.2
SSW
6
1.8
SSW
6
0.7
ESE
10
0.7
ESE
11
0.6
ESE
11
0.6
SE
11
0.6
SE
10
Wave Graph
Metric surfscale
Energy kJ
34
48
42
42
35
34
35
42
54
58
65
68
77
90
90
90
92
106
230
97
99
75
90
85
Wind (km/h)
15
NE
5
ENE
10
E
5
NE
5
NE
5
N
5
NE
5
SW
10
SSW
20
SW
20
SW
15
WSW
15
W
10
WSW
5
W
10
SW
25
SW
30
SW
20
WSW
30
WSW
30
W
35
WNW
40
W
35
W
cross
cross-on
cross-on
glassy
cross-off
cross-off
glassy
glassy
cross
cross
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
High Tide
9:05PM1.32m
7:35AM1.37m
10:19PM1.28m
8:30AM1.23m
11:48PM1.29m
Low Tide
2:05PM0.17m
2:17AM0.96m
2:59PM0.28m
3:47AM1.00m
4:06PM0.40m
5:46AM0.96m
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
light rain
part cloud
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:50
4:50
4:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:36
6:36
6:37
1
1
Temp °C
17
17
17
17
16
16
16
18
20
21
20
19
18
18
18
21
21
22
19
17
17
16
15
17
16
17
17
18
16
16
16
19
19
19
19
18
17
19
19
22
19
19
16
13
10
7
7
9
Swell 1
Height (m)
Direction
Period (s)
0.7
SE
6
0.8
SE
6
0.8
SE
6
0.8
SE
6
0.7
SE
6
0.7
ESE
6
0.7
ESE
6
0.7
SE
6
0.7
SE
6
0.8
SE
7
0.9
SE
7
0.9
SSE
7
0.9
SSE
7
0.9
S
6
0.9
S
6
0.9
S
6
0.7
ESE
10
0.7
SE
10
0.7
ESE
10
0.7
ESE
10
0.6
ESE
11
0.6
ESE
11
0.6
SE
11
0.6
SE
10
Energy kJ
34
42
42
42
35
34
35
42
40
52
65
68
77
67
63
62
92
106
94
97
75
75
90
85
Swell 2
Height (m)
Direction
Period (s)
0.4
ESE
9
0.5
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.5
ESE
10
0.5
ESE
10
0.5
ESE
10
0.6
ESE
10
0.6
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
11
0.1
N
7
Energy kJ
34
48
33
32
32
32
33
34
54
58
58
68
67
90
90
90
99
1
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
6
0.1
SW
6
0.1
SW
6
0.1
SW
5
0.1
SW
5
0.3
S
5
0.3
S
5
0.3
S
5
0.1
W
6
Energy kJ
4
1
1
1
1
5
5
5
1
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
3
0.3
SSW
2
0.4
SW
3
0.4
WSW
3
0.4
WSW
3
0.2
WNW
3
0.9
SSW
6
1.2
SSW
6
1.8
SSW
6
2.2
SW
6
2.1
SW
7
2.2
W
7
2
W
7
2.1
W
7
Energy kJ
2
1
3
3
3
1
64
84
230
398
381
427
345
384
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
Distance (km)
13
13
13
6
13
13
6
6
6
211
65
2
2
2
2
6
355
355
6
351
351
103
103
103
Best forecast wave conditions in Shizuoka
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
2
2
1
2
1
1
1
3
2
Header Global
Rating
(10 max)
6
5
9
9
5
6
7
5
4
5
7
5
5
6
6
6
5
6
5
5
6
7
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

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