Katahama Surf Break
Lat Long: 34.72° N 138.22° E

Katahama 48 hour detailed Surf Forecast

Weather Forecast for Katahama

Issued: 8 pm 06 Jun 2026 (local time)

Forecast update in  hr  min

Today's Katahama sea temperature is
21.0° C

1.8°C colder than average for this time of year

Katahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Katahama today (07 Jun):

  • Evening surf: Evening surf (07 Jun, local time) - 2.5ft (0.8m), 12s period with E swell.

The current surf forecast for Katahama at 12AM is: 0.8m 12s primary swell from a East direction (forecast issued at 08:00pm June 06). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (07 Jun)--
Afternoon (07 Jun)--
Evening (07 Jun)2.5ft (0.8m)12s

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 39mm), heaviest during Sun night. Warm (max 25°C on Mon afternoon, min 18°C on Sat night). Winds increasing (light winds from the NE on Sat night, strong winds from the NE by Sun night).

Sat
6
Sunday
7
Monday
8
Tuesday
9
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
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
E
12
0.8
E
12
0.8
E
12
0.1
SE
11
0.2
ESE
10
0.5
E
3
0.8
E
4
1.2
E
12
1.3
E
5
1.5
E
5
1.8
ESE
6
2.2
ESE
6
0.9
SE
7
1.7
S
9
3
SSW
10
1.1
SSE
8
0.7
E
10
0.9
SSE
7
0.6
E
10
0.5
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.3
E
10
Wave Graph
Metric surfscale
Energy kJ
172
175
178
4
11
6
20
387
73
111
209
406
77
445
0
159
106
84
73
51
32
31
31
17
Wind (km/h)
10
SSE
10
SE
10
E
5
NE
10
ENE
15
ENE
15
NE
20
ENE
25
ENE
30
ENE
35
ENE
40
NE
40
NE
15
N
15
WSW
30
WSW
30
WSW
30
WSW
30
WSW
30
W
25
W
20
WNW
5
W
25
W
Wind State
cross-on
on
cross-on
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
10:35PM1.44m
9:50AM1.18m
11:35PM1.44m
11:43AM1.12m
00:32AM1.45m
1:33PM1.15m
Low Tide
3:29PM0.42m
4:54AM0.87m
4:29PM0.56m
6:15AM0.78m
5:36PM0.69m
7:26AM0.66m
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
mod rain
heavy rain
mod rain
light rain
light rain
part cloud
part cloud
clear
clear
cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:33
4:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:57
6:57
6:58
6:58
 mm
2
2
6
13
10
5
1
Temp °C
20
19
19
19
18
19
19
18
18
18
18
19
20
20
23
25
22
23
22
21
20
22
25
25
Feels °C
20
19
19
20
18
18
18
16
15
15
14
14
15
19
23
22
19
20
18
17
16
20
24
21
Swell 1
Height (m)
Direction
Period (s)
0.8
E
12
0.8
E
12
0.8
E
12
0.8
E
12
0.4
SSW
7
0.6
E
12
0.6
E
12
0.4
SW
6
0.4
SW
6
0.3
SW
6
0.1
SW
8
0.3
SW
10
2.5
SSW
10
2.5
SW
11
3
SSW
10
1.1
SSE
8
0.9
SSE
7
0.9
SSE
7
1.2
SW
9
0.6
SSE
7
0.5
SSE
6
0.4
SSE
6
0.4
SSE
6
0.3
E
10
Energy kJ
172
175
178
177
18
103
101
11
10
6
2
16
1163
1538
1588
159
94
84
230
35
23
14
14
17
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
7
0.6
SSW
7
0.6
SSW
7
0.5
SW
7
0.2
ESE
10
0.4
SSW
7
0.4
SW
7
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.9
SE
7
1.7
S
9
1
E
7
0.7
E
8
0.7
E
10
0.6
E
10
0.7
SSE
7
0.5
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.1
SE
9
Energy kJ
34
33
32
23
11
18
11
4
4
4
4
77
445
106
58
106
73
49
51
32
31
31
3
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
10
0.1
SE
10
0.1
E
11
0.1
SE
10
0.1
SE
10
1.5
E
7
1.3
E
7
0.5
E
11
0.5
E
11
0.6
E
10
0.7
E
10
0.1
SE
9
0.1
SE
9
0.1
SE
9
Energy kJ
5
4
4
4
4
4
4
2
4
4
206
149
61
59
73
100
3
3
3
Wind waves
Height (m)
Direction
Period (s)
0.8
E
12
0.5
E
3
0.8
E
4
1.2
E
12
1.3
E
5
1.5
E
5
1.8
ESE
6
2.2
ESE
6
1.9
ENE
6
1.1
NNE
5
2.1
SW
10
2.1
SW
10
1.8
SW
9
1
W
4
1.6
WSW
9
1.7
WSW
8
1.7
WSW
8
1.8
WSW
6
2.1
WSW
6
Energy kJ
180
6
20
387
73
111
209
406
263
57
882
793
549
37
395
390
392
223
310
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
1
1
3
1
1
1
5
3
3
2
4
3
4
2
2
2
2
1
1
1
2
Distance (km)
104
13
13
145
104
747
145
145
104
415
208
334
132
150
2
65
103
103
103
103
103
6
2
104
Best forecast wave conditions in Shizuoka
Rating
(10 max)
2
2
3
4
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
4
4
4
3
3
3
4
1
5
4
3
3
4
4
4
4
3
3
3
3
3
2
2
Header Global
Rating
(10 max)
9
9
9
9
9
8
5
6
7
8
8
8
9
8
7
6
7
5
5
5
9
9
9
8
  • 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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