Katahama Surf Break

Katahama 48 hour detailed Surf Forecast

Lat Long: 34.72° N 138.22° E

Issued: 2 pm 27 Jun 2026 (local time)

Forecast update in  hr  min

Today's Katahama sea temperature is
23.0° C

1.2°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 (27 Jun):

  • Evening surf: Evening surf (27 Jun, local time) - 0.5ft (0.2m), 16s period with ESE swell.

The current surf forecast for Katahama at 11PM is: 0.2m 16s primary swell from a East-southeast direction (forecast issued at 02:00pm June 27). An open ocean swell of 4.0m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (27 Jun)--
Afternoon (27 Jun)--
Evening (27 Jun)0.5ft (0.2m)16s

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 21mm), heaviest during Sat afternoon. Warm (max 24°C on Sun morning, min 22°C on Sat afternoon). Wind will be generally light.

Sat
27
Sunday
28
Monday
29
Tue
30
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
0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
1
1
0
0
Swell
Height Map
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)
0.2
ESE
16
2.5
SSW
9
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
1
SSE
8
1
SSE
8
0.2
ESE
15
0.9
SSE
8
0.8
SSE
7
0.7
SSE
7
0.7
SSE
7
0.7
SSE
7
0.4
SE
9
0.5
SE
9
0.5
SE
9
0.6
SE
9
0.6
SE
10
0.6
SE
9
Wave Graph
Metric surfscale
Energy kJ
25
0
25
25
25
25
25
25
25
24
147
137
21
105
73
55
42
41
29
41
41
54
58
54
Wind (km/h)
10
N
10
NE
15
NE
10
NNW
15
WSW
10
W
5
WSW
5
SW
5
SW
5
S
5
SW
10
SW
10
SW
0
ESE
15
ENE
10
E
15
SE
10
SE
10
SE
5
E
5
NE
5
NNE
10
ENE
10
ESE
Wind State
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross
cross
cross
glassy
cross
cross-on
on
on
on
glassy
glassy
cross-off
cross
cross-on
High Tide
5:04PM1.42m
3:19AM1.54m
5:38PM1.47m
3:57AM1.58m
6:08PM1.51m
4:35AM1.61m
Low Tide
10:02AM0.29m
10:02PM1.10m
10:39AM0.22m
10:43PM1.10m
11:13AM0.17m
11:20PM1.07m
heavy rain
mod rain
rain showers
clear
clear
clear
part cloud
rain showers
rain showers
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
rain showers
thunderstorm
part cloud
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:35
4:35
4:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:04
7:04
7:04
 mm
35
7
2
1
3
1
1
2
2
1
1
Temp °C
22
22
23
23
23
22
22
23
24
23
23
22
23
22
22
23
23
23
23
23
23
22
22
24
Feels °C
24
25
25
26
25
24
25
26
28
26
26
25
26
26
24
25
24
25
26
27
27
25
25
26
Swell 1
Height (m)
Direction
Period (s)
1.1
SW
12
2.5
SSW
9
3
SSW
12
4
SSW
12
4
SSW
12
4
SSW
12
3.5
SSW
11
3
SSW
11
2.5
SSW
10
2.2
SSW
10
1.6
SW
10
1.4
SW
9
1.7
SSW
9
1.2
SW
9
1.1
SW
8
1
SW
8
0.9
SW
8
0.9
SW
8
1.1
SSW
7
1
SSW
8
0.9
SSW
8
0.9
SSW
7
0.9
SSW
7
1
SSW
7
Energy kJ
330
1047
2724
4058
4609
3937
2670
1710
1220
838
452
300
408
216
176
132
109
91
125
107
88
96
93
108
Swell 2
Height (m)
Direction
Period (s)
0.9
SSW
15
1.6
SSW
13
0.8
SW
12
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
0.2
E
8
0.2
E
9
0.2
E
9
1
SSE
8
1
SSE
8
0.2
ESE
15
0.9
SSE
8
0.8
SSE
7
0.7
SSE
7
0.7
SSE
7
0.7
SSE
7
0.4
SE
9
0.5
SE
9
0.5
SE
9
0.6
SE
9
0.6
SE
10
0.6
SE
9
Energy kJ
355
867
197
25
25
25
25
5
6
6
147
137
21
105
73
55
42
41
29
41
41
54
58
54
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
16
0.8
SW
12
0.2
ESE
16
0.2
E
8
0.2
ESE
16
0.2
E
8
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
0.2
ESE
15
0.2
ESE
15
0.2
E
8
0.3
ESE
15
0.4
SE
9
0.4
SE
9
0.5
SE
9
0.4
SE
9
0.2
ESE
15
0.2
ESE
15
0.2
ESE
14
0.2
ESE
14
0.2
ESE
14
0.2
ESE
14
Energy kJ
25
169
25
6
25
5
25
25
24
22
21
5
42
29
30
41
29
21
21
21
20
19
19
Wind waves
Height (m)
Direction
Period (s)
2.5
SSW
9
0.3
E
3
0.3
E
3
Energy kJ
1149
1
1
Nearest Offshore or Glassy
Rating
(10 max)
3
4
4
4
4
4
4
4
3
3
1
1
2
2
2
1
1
1
1
1
1
1
1
1
Distance (km)
94
13
94
2
2
2
2
2
2
104
6
6
65
2
13
94
104
13
13
2
2
2
13
13
Best forecast wave conditions in Shizuoka
Rating
(10 max)
3
4
4
4
4
4
4
4
4
1
2
2
2
2
1
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
4
4
5
4
4
4
4
4
3
2
3
3
2
2
1
1
1
1
1
2
2
2
2
Header Global
Rating
(10 max)
6
6
5
5
5
5
6
9
9
8
6
9
5
5
6
5
6
6
5
5
6
9
5
5
  • 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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