Katahama Surf Break

Katahama 48 hour detailed Surf Forecast

Lat Long: 34.72° N 138.22° E

Issued: 2 pm 14 Jun 2026 (local time)

Forecast update in  hr  min

Today's Katahama sea temperature is
21.1° C

2.2°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 (14 Jun):

  • Afternoon surf: Afternoon surf (14 Jun, local time) - 1.5ft (0.5m), 8s period with E swell.
  • Evening surf: Evening surf (14 Jun, local time) - 3ft (0.9m), 5s period with SSE swell.

The current surf forecast for Katahama at 8PM is: 0.5m 9s primary swell from a East direction and 0.8m 5s secondary swell from a South-southeast direction (forecast issued at 02:00pm June 14). An open ocean swell of 0.1m 7s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (14 Jun)--
Afternoon (14 Jun)1.5ft (0.5m)8s
Evening (14 Jun)3ft (0.9m)5s

Table - waves today at Katahama. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 10mm), heaviest on Sun night. Warm (max 23°C on Sun afternoon, min 17°C on Sun night). Winds decreasing (fresh winds from the NE on Sun night, calm by Tue night).

Sun
14
Monday
15
Tuesday
16
Wed
17
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
0
0
0
0
0
1
2
3
3
2
2
1
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)
0.5
E
8
0.5
E
8
0.5
E
9
0.5
E
9
0.7
E
8
1
ENE
4
1.7
E
6
0.3
SSE
7
2
E
8
2
E
8
1.9
ESE
9
1.8
ESE
9
1.6
E
9
1.5
E
9
1.2
E
9
1
E
9
0.9
E
9
0.9
E
9
0.8
E
9
0.7
E
9
0.7
E
9
0.6
E
9
0.6
E
9
0.6
E
9
Wave Graph
Metric surfscale
Energy kJ
32
35
38
40
68
38
180
9
489
546
560
540
445
388
249
166
132
127
101
76
76
56
55
56
Wind (km/h)
10
SE
5
SE
15
SSE
15
SE
20
ENE
25
NE
35
NE
30
NE
25
NE
20
ENE
10
NE
10
N
5
W
5
NW
5
NE
10
ESE
10
S
15
SSW
5
SSW
0
ESE
0
WSW
5
NE
5
ENE
10
E
Wind State
on
on
cross-on
on
cross-on
cross
cross
cross
cross
cross
cross
cross-off
glassy
glassy
glassy
cross-on
cross-on
cross
cross-on
glassy
glassy
glassy
cross-on
cross-on
High Tide
5:51PM1.46m
4:21AM1.60m
6:24PM1.49m
4:57AM1.61m
6:57PM1.52m
5:36AM1.61m
Low Tide
10:59AM0.15m
10:57PM1.03m
11:32AM0.11m
11:33PM1.02m
12:05PM0.10m
00:14AM1.00m
cloud
cloud
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part 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>
7:00
7:00
7:00
7:01
 mm
2
1
2
2
3
Temp °C
22
22
23
19
18
17
17
18
20
21
20
20
20
19
19
19
20
21
21
20
20
19
20
21
Feels °C
23
24
21
18
16
13
12
13
16
18
19
20
21
20
20
19
20
21
22
23
23
21
22
21
Swell 1
Height (m)
Direction
Period (s)
0.6
S
6
0.5
S
6
0.5
E
9
0.5
E
9
0.8
S
5
0.6
SE
5
0.5
S
6
0.3
SSE
7
0.4
SSE
9
0.5
SSE
9
1.9
ESE
9
1.8
ESE
9
1.6
E
9
1.5
E
9
1.2
E
9
1
E
9
0.9
E
9
0.9
E
9
0.8
E
9
0.7
E
9
0.7
E
9
0.6
E
9
0.6
E
9
0.6
E
9
Energy kJ
26
17
38
38
37
21
19
9
32
44
560
540
445
388
249
166
132
127
101
76
76
56
55
56
Swell 2
Height (m)
Direction
Period (s)
0.5
E
8
0.5
E
8
0.3
SW
7
0.1
SW
7
0.1
SE
12
0.6
S
6
0.1
SE
15
0.1
SW
7
0.1
SE
14
0.5
SSE
8
0.8
SSE
8
0.5
S
8
0.6
SE
9
0.5
SSW
7
0.5
SSW
7
0.6
SSW
7
0.5
SSW
7
0.5
SSW
7
0.4
SSW
7
0.4
SSW
7
0.4
SSW
7
0.4
SSW
7
Energy kJ
32
35
8
2
6
24
8
2
8
39
90
28
46
31
29
40
28
28
19
19
19
19
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
7
0.4
SW
7
0.1
SE
15
0.1
SE
15
0.1
SW
7
0.1
SE
12
0.1
SE
12
0.1
SE
15
0.1
SW
7
0.5
S
8
0.6
SE
8
0.4
SE
8
0.1
SE
13
0.1
SE
13
0.1
SE
6
0.2
S
6
0.1
SE
9
0.1
SE
9
0.1
SE
9
Energy kJ
14
14
8
8
2
6
6
8
2
29
42
20
7
7
1
3
3
3
3
Wind waves
Height (m)
Direction
Period (s)
0.6
S
4
0.8
SSE
4
0.9
SSE
5
0.7
E
8
1
ENE
4
1.7
E
6
2
E
7
2
E
8
2
E
8
2.5
E
9
2.2
E
9
0.3
SW
3
Energy kJ
12
21
40
68
38
180
345
489
546
955
800
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
2
3
2
3
1
1
1
2
2
2
1
1
1
1
1
1
1
Distance (km)
208
208
208
208
208
138
351
94
352
334
13
2
2
2
6
13
65
6
6
6
6
6
13
13
Best forecast wave conditions in Shizuoka
Rating
(10 max)
2
3
3
3
2
2
2
2
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
2
2
2
3
3
2
3
3
3
4
4
3
2
1
2
2
2
2
2
1
Header Global
Rating
(10 max)
4
4
4
5
5
9
9
5
5
5
5
5
5
5
5
5
5
5
5
5
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)
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