Katahama surfForecast / Shizuoka / Japan

information circle48hr Weather and Surf, issued 8 pm Sunday 31 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
20.7° C
(Which is 1.5°C colder than average for this time of year)

How big are the waves at Katahama today (01 Jun):

  • Morning surf: Morning surf (01 Jun, local time) - 3.5ft (1.0m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (01 Jun, local time) - 2.5ft (0.8m), 10s period with S swell.
  • Evening surf: Evening surf (01 Jun, local time) - 1.5ft (0.5m), 10s period with E swell.

The current surf forecast for Katahama at 12AM is: 1.1m 12s primary swell from a South direction (forecast issued at 08:00pm May 31). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (01 Jun)3.5ft (1.0m)11s
Afternoon (01 Jun)2.5ft (0.8m)10s
Evening (01 Jun)1.5ft (0.5m)10s

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 121mm), heaviest during Wed morning. Warm (max 24°C on Mon morning, min 18°C on Tue night). Winds increasing (calm on Mon night, gales from the NE by Wed afternoon).

Sun
31
Monday
1
Tuesday
2
Wednesday
3
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)
1
0
1
2
2
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
S
12
1.1
S
12
1.1
S
12
1.1
S
11
1
S
11
1
S
11
1
S
11
0.8
S
10
0.5
E
10
0.5
E
10
0.5
E
10
0.4
E
9
0.5
E
10
0.5
E
10
0.5
E
10
0.5
E
10
0.9
SE
6
0.4
E
9
0.4
E
9
1.6
SE
6
1.7
SSE
8
4
SE
9
4
ESE
9
2.5
ESE
10
Wave Graph
Metric surfscale
Energy kJ
292
336
330
298
233
229
224
121
46
45
44
28
50
50
49
49
52
28
28
220
345
2334
2633
1432
Wind (km/h)
15
SW
20
SW
15
WSW
15
W
10
WNW
10
SW
20
SSW
20
SSW
10
SW
5
WSW
5
SW
0
NNE
5
NNE
10
ENE
10
E
10
E
10
SE
15
E
15
ENE
30
NE
30
ENE
50
NE
65
NE
70
NE
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
glassy
glassy
glassy
cross-off
cross
cross-on
cross-on
on
cross-on
cross-on
cross
cross
cross
cross
cross
High Tide
6:05PM1.45m
4:46AM1.60m
6:41PM1.47m
5:21AM1.61m
7:19PM1.48m
6:00AM1.58m
Low Tide
11:14PM0.95m
11:52AM0.07m
11:50PM0.96m
12:27PM0.07m
00:33AM0.96m
1:06PM0.11m
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
mod rain
mod rain
heavy rain
heavy rain
heavy rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:35
4:35
4:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:53
6:54
6:54
2
6
7
16
44
35
11
Temp °C
23
20
20
19
19
22
24
23
22
21
21
20
20
21
21
21
21
18
18
18
18
18
19
20
22
19
20
19
20
22
22
21
21
22
23
22
21
22
22
21
22
18
18
15
14
11
9
9
Swell 1
Height (m)
Direction
Period (s)
1
S
12
1.1
S
12
1.1
S
12
1.1
S
11
1
S
11
1
S
11
1
S
11
1.2
SSW
14
1.4
SSW
13
1.7
SSW
13
1.7
SSW
14
1.7
SSW
13
2.1
SSW
14
2.1
SSW
14
2
SSW
13
2
SSW
13
2
SSW
13
2.1
SSW
12
1.7
S
12
2
SSW
14
2.1
SW
14
3
SW
16
5.5
SSW
16
8.5
S
16
Energy kJ
292
336
330
298
233
229
224
547
642
1058
1090
1042
1700
1581
1356
1380
1317
1314
800
1432
1617
4158
13750
32663
Swell 2
Height (m)
Direction
Period (s)
0.6
E
10
0.6
E
10
1.1
SSW
6
1
SSW
6
0.9
SSW
5
0.9
SSW
15
0.9
S
14
0.8
S
10
1
S
10
0.6
SSW
18
0.8
SSW
17
1
SSW
16
0.5
E
10
0.5
E
10
0.5
E
10
0.5
E
10
0.4
E
10
0.4
E
9
1.3
SSW
14
1.7
SSE
8
2.2
S
10
2.5
ESE
10
Energy kJ
71
75
69
58
46
370
311
121
198
216
373
539
50
50
49
49
28
28
682
345
1081
1432
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
12
0.3
SE
12
0.5
E
10
0.5
E
10
0.7
S
15
0.7
SW
5
0.5
SSW
17
0.5
E
10
0.5
E
10
0.5
E
10
0.5
E
10
0.4
E
9
0.3
SE
11
0.5
E
10
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
2.2
SSE
11
Energy kJ
22
22
49
49
218
27
159
48
46
45
44
28
19
49
20
19
19
18
18
1081
Wind waves
Height (m)
Direction
Period (s)
0.5
S
6
1.1
SSW
5
0.6
SSW
5
0.4
SSW
5
0.9
SE
6
0.4
E
9
1.6
SE
6
2
ESE
6
4
SE
9
4
ESE
9
2.1
NNE
6
Energy kJ
17
57
16
8
52
28
220
309
2334
2633
300
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
2
2
2
4
1
3
3
3
3
4
4
4
2
2
2
1
4
4
3
4
Distance (km)
127
210
65
2
2
6
65
355
6
2
2
2
2
13
13
13
208
104
104
103
658
658
658
373
Best forecast wave conditions in Shizuoka
Rating
(10 max)
2
2
2
2
2
1
3
4
4
4
4
4
4
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
3
3
3
4
3
4
1
4
4
4
4
4
4
4
2
2
2
1
6
4
4
4
Header Global
Rating
(10 max)
6
6
6
5
5
5
5
5
5
4
5
5
5
5
5
5
5
4
4
4
5
4
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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