Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 8 am Friday 24 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
17.3° C
(Which is 1.8°C colder than average for this time of year)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 1PM is: 1.1m 7s primary swell from a East direction (forecast issued at 08:00am April 24). An open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (24 Apr)3.5ft (1.1m)7s
Afternoon (24 Apr)3.5ft (1.1m)7s
Evening (24 Apr)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

Heavy rain (total 25mm), heaviest during Sun night. Very mild (max 17°C on Sun afternoon, min 13°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the NE by Sun night).

Friday
24
Saturday
25
Sunday
26
Mon
27
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
12 AM
3 AM
Rating
(10 max)
0
1
0
0
0
1
1
0
0
0
0
0
0
0
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>
<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)
0.2
ESE
12
1.1
E
7
1.1
E
7
1.1
E
7
1
E
8
1
E
8
1.1
E
8
1.1
E
6
1.3
E
5
1.4
E
6
1.6
E
6
1.5
E
6
1.5
E
6
1.5
E
6
1.3
ESE
6
1.3
ESE
6
1.2
ESE
6
1.3
E
6
1.3
ESE
6
1.3
ESE
6
1.2
ESE
6
1
ESE
6
1.2
ESE
6
1.1
ESE
7
Wave Graph
Metric surfscale
Energy kJ
14
113
113
116
113
127
148
77
97
129
175
167
156
171
134
134
119
126
121
117
107
85
113
107
Wind (km/h)
10
N
15
NNE
10
NE
10
NE
5
ENE
5
NNE
15
NE
15
ENE
20
NE
20
ENE
15
E
15
E
20
ESE
20
E
10
NE
15
NE
15
NE
20
NE
15
ENE
15
E
20
ESE
15
NNE
20
NE
30
NE
cross-off
cross-off
cross
cross
cross
glassy
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-off
cross
cross
High Tide
9:07AM1.15m
1:12AM1.25m
11:36AM1.05m
2:08AM1.32m
1:41PM1.10m
2:45AM1.38m
Low Tide
4:48AM1.02m
5:10PM0.44m
7:14AM0.94m
6:41PM0.49m
8:29AM0.78m
7:56PM0.51m
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:03
5:03
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:24
6:25
6:27
6:28
1
2
1
3
Temp °C
14
15
15
14
14
15
14
14
13
14
15
16
15
15
14
13
13
14
16
17
17
15
14
14
12
13
14
13
13
15
12
11
8
9
11
13
11
11
11
10
10
10
12
14
14
12
10
8
Swell 1
Height (m)
Direction
Period (s)
1.4
SSW
8
1.4
SSW
8
1.3
SSW
8
1.1
SW
8
1
SW
8
0.8
SW
8
0.7
SW
8
0.7
SW
8
0.8
SSW
8
0.5
SW
8
0.4
SW
8
0.4
S
7
0.3
S
7
0.3
SSW
7
0.1
SW
7
0.2
SSW
7
0.1
SE
13
0.1
SE
11
0.1
SW
7
0.1
SW
6
0.1
SE
13
1
ESE
6
1.2
ESE
6
1.1
ESE
7
Energy kJ
261
267
249
160
138
100
68
66
73
31
21
16
8
9
2
5
7
5
2
2
7
85
113
107
Swell 2
Height (m)
Direction
Period (s)
1.2
E
7
1.1
E
7
1.1
E
7
0.7
S
8
0.6
S
8
0.7
S
8
0.7
S
8
0.6
S
8
0.1
SE
12
0.4
S
7
0.4
S
7
0.3
SW
8
0.3
SW
8
0.1
SW
8
0.1
SW
7
0.1
SW
7
0.1
SE
11
0.1
SE
13
0.1
SE
11
0.1
SE
13
0.1
SE
11
0.1
SE
13
0.1
SE
13
0.1
SE
13
Energy kJ
128
113
113
64
50
55
61
41
5
15
15
9
9
2
2
2
5
7
5
7
5
7
7
6
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
12
0.2
ESE
12
0.2
ESE
12
0.2
ESE
12
0.1
SE
12
0.2
ESE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.2
SSW
8
0.1
SE
14
0.1
SE
14
0.1
E
14
0.1
E
14
0.1
SE
14
0.1
SW
7
0.1
SE
13
0.1
SE
13
0.1
SE
11
0.1
E
11
0.1
SW
8
0.1
S
7
Energy kJ
14
14
14
14
5
14
5
5
5
6
8
8
4
4
7
2
7
7
5
2
2
1
Wind waves
Height (m)
Direction
Period (s)
1.8
ENE
7
1.5
E
7
1.1
E
7
1
E
8
1
E
8
1.1
E
8
1.1
E
6
1.3
E
5
1.4
E
6
1.6
E
6
1.5
E
6
1.5
E
6
1.5
E
6
1.3
ESE
6
1.3
ESE
6
1.2
ESE
6
1.3
E
6
1.3
ESE
6
1.3
ESE
6
1.2
ESE
6
0.6
NE
3
0.6
NE
4
0.6
NNE
3
Energy kJ
293
231
116
113
127
148
77
97
129
175
167
156
171
134
134
119
126
121
117
107
7
10
8
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
2
2
1
1
1
1
1
1
4
1
1
1
1
1
2
1
1
1
2
2
Distance (km)
2
2
13
13
13
2
2
150
13
351
334
430
437
104
104
13
13
13
208
104
104
13
208
94
Best forecast wave conditions in Shizuoka
Rating
(10 max)
2
2
2
2
2
2
2
1
1
1
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
2
2
2
2
2
4
4
3
4
4
4
4
4
1
4
4
4
3
4
4
Header Global
Rating
(10 max)
5
5
5
5
6
5
5
4
5
5
5
5
5
5
4
4
5
7
7
6
5
5
5
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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