Katahama Surf Break

Katahama 48 hour detailed Surf Forecast

Lat Long: 34.72° N 138.22° E

Issued: 8 am 24 Jun 2026 (local time)

Forecast update in  hr  min

Today's Katahama sea temperature is
22.9° C

1.0°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.

Surf Forecasts:

How big are the waves at Katahama today (24 Jun):

  • Morning surf: Morning surf (24 Jun, local time) - 2ft (0.6m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (24 Jun, local time) - 1.5ft (0.4m), 11s period with SE swell.
  • Evening surf: Evening surf (24 Jun, local time) - 1.5ft (0.5m), 10s period with E swell.

The current surf forecast for Katahama at 1PM is: 0.4m 11s primary swell from a Southeast direction and 0.5m 4s secondary swell from a East direction (forecast issued at 08:00am June 24). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (24 Jun)2ft (0.6m)10s
Afternoon (24 Jun)1.5ft (0.4m)11s
Evening (24 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 
16 DaysHourly
Print Table

Short Range Forecast

Heavy rain (total 119mm), heaviest during Fri night. Warm (max 25°C on Fri morning, min 19°C on Thu morning). Winds decreasing (fresh winds from the NE on Thu morning, calm by Fri morning).

Wednesday
24
Thursday
25
Friday
26
Sat
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
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.4
SE
10
0.6
E
10
0.4
SE
11
0.4
SE
11
0.6
E
10
0.5
E
10
0.5
E
9
0.6
SSW
13
0.8
ENE
4
0.4
SE
11
1.3
ENE
5
1.1
ENE
5
0.9
E
6
0.8
E
6
0.7
SSE
6
0.5
SE
7
1
SSW
5
0.4
SE
12
0.4
SE
12
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
10
0.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
37
69
41
41
69
44
42
0
16
47
87
72
50
46
36
21
58
34
34
30
35
29
27
27
Wind (km/h)
10
ENE
10
NE
5
SSE
15
SE
10
SE
5
E
10
ENE
20
ENE
25
NE
30
NE
25
NE
20
ENE
10
E
15
ENE
10
NE
10
NE
10
NE
0
SE
20
SW
20
SSW
15
SW
10
SW
10
WSW
10
N
Wind State
cross
cross
on
on
on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
glassy
cross
cross
cross
cross
cross-off
cross-off
High Tide
2:05PM1.18m
1:10AM1.48m
3:24PM1.27m
1:58AM1.49m
4:20PM1.35m
2:40AM1.51m
Low Tide
7:30AM0.60m
6:45PM0.95m
8:31AM0.49m
8:02PM1.03m
9:21AM0.38m
9:09PM1.08m
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
mod rain
light rain
mod rain
heavy rain
light rain
light rain
rain showers
thunderstorm
thunderstorm
light rain
mod rain
heavy rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
—
—
—
—
—
—
4:35
—
—
—
—
—
—
—
4:35
—
—
—
—
—
—
—
4:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
7:02
—
—
—
—
—
—
—
7:04
—
—
—
—
—
—
—
7:04
—
—
7:04
 mm
—
—
—
—
—
—
1
3
3
2
7
7
5
9
14
4
1
1
2
2
4
7
20
17
Temp °C
20
21
22
22
22
21
21
20
20
20
19
19
19
19
19
19
20
22
25
24
22
21
21
20
Feels °C
21
22
23
22
23
23
22
19
18
17
17
18
19
19
20
20
22
26
27
25
23
23
23
22
Swell 1
Height (m)
Direction
Period (s)
0.5
E
10
0.6
E
10
0.6
E
10
0.5
E
10
0.6
E
10
0.5
E
10
0.5
SSW
14
0.6
SSW
13
0.7
SSW
16
0.9
SSW
15
1.3
SSW
14
1.3
SSW
13
1.7
SSW
14
1.7
SSW
14
1.8
SSW
14
1.9
SSW
14
2
SSW
14
1.7
SSW
13
1.7
SSW
14
2.2
SSW
14
1.7
SW
14
1.6
SW
14
1.7
SW
14
2
SSW
14
Energy kJ
50
69
73
51
69
44
105
111
215
334
603
624
1090
1106
1247
1396
1407
975
1049
1906
1121
961
1089
1411
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.5
S
10
0.5
E
9
0.4
SSW
17
0.6
SSW
12
0.8
SSW
12
0.8
SSW
7
1
SSW
7
0.3
SE
10
0.3
SE
10
0.7
SSE
6
0.5
SE
7
0.4
E
7
0.4
SE
12
0.4
SE
12
0.4
SE
11
0.7
SSE
6
0.4
SE
11
1.2
SSW
6
0.4
SE
10
Energy kJ
37
38
41
41
41
51
42
108
101
158
51
99
16
16
36
21
14
34
34
30
35
29
110
27
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
5
0.3
SW
5
0.3
S
11
0.4
SSW
11
0.4
SSW
10
0.4
SE
11
0.5
S
10
0.4
SSW
9
0.4
SSW
9
0.4
SE
11
0.4
SE
10
0.3
SE
10
0.2
ESE
12
0.1
SE
12
0.6
E
6
0.5
E
6
0.4
SE
10
0.3
E
7
0.2
E
6
0.1
SE
18
0.4
SE
11
0.1
SE
18
0.4
SE
10
0.1
SE
18
Energy kJ
2
4
22
40
36
41
49
27
26
40
37
16
15
6
26
20
27
8
3
12
30
12
27
12
Wind waves
Height (m)
Direction
Period (s)
0.4
E
3
0.5
E
3
0.5
E
4
0.3
ESE
3
—
0.2
SSW
5
—
0.6
E
9
0.8
ENE
4
1.1
ENE
4
1.3
ENE
5
1.1
ENE
5
0.9
E
6
0.8
E
6
—
—
1
SSW
5
1.2
S
6
1.4
SSW
6
1.5
SSW
6
1.4
SW
7
1.4
SSW
7
—
—
Energy kJ
3
5
6
2
—
3
—
59
16
47
87
72
50
46
—
—
58
108
151
186
163
166
—
—
Nearest Offshore or Glassy
Akabane Long Beach
Shizuoka
Omaezaki
Shizuoka
Keta Reef Oshima
Izu Islands
Keta Reef Oshima
Izu Islands
Keta Reef Oshima
Izu Islands
Suruga Bay
Shizuoka
Keta Reef Oshima
Izu Islands
Keta Reef Oshima
Izu Islands
Ohara
Chiba
Nagahama
Kanagawa
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Omaezaki
Shizuoka
Omaezaki
Shizuoka
Omaezaki
Shizuoka
Suruga Bay
Shizuoka
Akabane Long Beach
Shizuoka
Gomoda
Shikoku
Akabane Long Beach
Shizuoka
Susuki
Shizuoka
Suruga Bay
Shizuoka
Suruga Bay
Shizuoka
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
4
4
3
3
2
3
1
2
2
Distance (km)
94
13
104
104
104
2
104
104
208
138
103
103
103
103
13
13
13
2
94
334
94
6
2
2
Best forecast wave conditions in Shizuoka
Akabane Long Beach
Omaezaki
Omaezaki
Omaezaki
Omaezaki
Omaezaki
Omaezaki
Akabane Long Beach
Akabane Long Beach
Akabane Long Beach
Akabane Long Beach
Omaezaki
Rating
(10 max)
1
1
1
4
4
4
4
3
3
3
3
4
Best forecast wave conditions in Japan
Kaiser's (Hachijojima Island)
Izu Islands
Niyodo Rivermouth
Shikoku
Kaiser's (Hachijojima Island)
Izu Islands
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Takegashima
Shikoku
Uchiboso
Chiba
Takegashima
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Omaezaki
Shizuoka
Niijima - Habushiura
Izu Islands
Niyodo Rivermouth
Shikoku
Omaezaki
Shizuoka
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niijima - Habushiura
Izu Islands
Rating
(10 max)
3
2
3
2
2
3
3
3
4
1
1
1
4
4
4
4
4
4
4
3
3
3
3
4
Header Global
Etang-Sale
Reunion
Hell
South Africa
Hell
South Africa
Hell
South Africa
Hell
South Africa
Hell
South Africa
Gerickes Point
South Africa
Fish Boma
South Africa
Fish Boma
South Africa
Chameau
Mauritius
Etang-Sale
Reunion
Papatowai
New Zealand
Dunedin - Cob Cottage
New Zealand
Dinner Plates
New Zealand
Papatowai
New Zealand
Antiques
Maldives
Tokomaru Bay
New Zealand
Dolphin Point
South Africa
Boneyards
South Africa
Dolphin Point
South Africa
Boneyards
South Africa
Bruces Beauties
South Africa
Doring Bay
South Africa
Cape St Martin
South Africa
Rating
(10 max)
7
8
9
9
9
9
8
7
6
5
5
6
5
5
5
4
5
5
5
6
5
5
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)
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