Katahama Surf Break

Katahama 48 hour detailed Surf Forecast

Lat Long: 34.72° N 138.22° E

Issued: 2 pm 26 Jun 2026 (local time)

Forecast update in  hr  min

Today's Katahama sea temperature is
22.6° C

1.5°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 (26 Jun):

  • Afternoon surf: Afternoon surf (26 Jun, local time) - 1.5ft (0.4m), 11s period with SE swell.
  • Evening surf: Evening surf (26 Jun, local time) - 1.5ft (0.4m), 11s period with SE swell.

The current surf forecast for Katahama at 8PM is: 0.4m 11s primary swell from a Southeast direction (forecast issued at 02:00pm June 26). An open ocean swell of 1.5m 13s is not directed at the surf break, a second open ocean swell of 1.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (26 Jun)--
Afternoon (26 Jun)1.5ft (0.4m)11s
Evening (26 Jun)1.5ft (0.4m)11s

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 110mm), heaviest during Sat morning. Warm (max 26°C on Fri afternoon, min 21°C on Fri night). Wind will be generally light.

Fri
26
Saturday
27
Sunday
28
Mon
29
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
0
0
0
!
0
0
0
0
0
0
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SE
12
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
10
0.4
SE
10
0.2
ESE
17
0.2
ESE
16
2.4
SSW
10
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
3
S
11
0.2
ESE
16
0.2
ESE
16
0.1
SE
16
0.2
ESE
16
0.2
ESE
15
0.2
ESE
15
1
SSE
8
0.2
ESE
15
0.3
ESE
15
0.9
SSE
8
0.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
34
30
30
29
27
27
27
26
0
25
25
25
1762
25
25
10
25
23
21
140
21
42
101
29
Wind (km/h)
25
WSW
20
SW
15
WSW
15
WSW
5
W
20
N
20
WSW
15
WSW
15
NE
20
SSW
10
NE
20
NE
20
W
15
W
10
WNW
5
W
10
SW
10
WSW
10
SW
5
SSE
5
ESE
5
ENE
5
E
10
ESE
Wind State
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
glassy
cross-on
cross-on
cross-on
on
High Tide
4:20PM1.35m
2:40AM1.51m
5:04PM1.42m
3:19AM1.54m
5:38PM1.47m
3:57AM1.58m
Low Tide
9:21AM0.38m
9:09PM1.08m
10:02AM0.29m
10:02PM1.10m
10:39AM0.22m
10:43PM1.10m
thunderstorm
thunderstorm
light rain
light rain
cloud
heavy rain
mod rain
mod rain
heavy rain
heavy rain
heavy rain
rain showers
clear
clear
part cloud
part cloud
cloud
light rain
rain showers
cloud
cloud
part cloud
part cloud
rain showers
<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
2
1
1
1
21
6
7
30
21
16
2
1
1
1
Temp °C
26
26
24
22
22
21
22
21
21
23
23
23
23
22
22
24
25
24
23
23
22
22
22
23
Feels °C
27
27
26
24
25
21
22
22
22
24
26
24
23
24
24
27
27
26
25
26
25
25
25
25
Swell 1
Height (m)
Direction
Period (s)
1.6
SW
13
1.6
SW
14
1.6
SW
13
1.5
SW
13
1.5
SW
13
1.4
SW
13
0.1
SE
17
2.5
SSW
10
2.4
SSW
10
3
SSW
13
0.2
ESE
16
4.5
SSW
10
3.5
SW
12
4
SSW
12
3.5
SSW
11
3
SSW
11
2.5
SSW
10
2.3
SSW
10
2
SSW
10
1.5
SW
10
1.7
SSW
9
1.7
SSW
9
1.3
SSW
9
1.5
SSW
8
Energy kJ
854
907
880
769
769
690
11
1479
1153
2846
25
3650
3402
4928
2887
1978
1300
963
701
398
427
408
252
291
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
12
0.4
SE
11
1.4
SSW
7
1.4
SSW
7
1.3
SSW
7
1.4
SSW
7
0.2
ESE
17
1.1
SW
13
1.1
S
14
0.6
SW
12
0.2
E
8
1.9
SW
11
3
S
11
0.2
ESE
16
0.2
ESE
16
0.1
SE
16
0.2
ESE
16
0.2
ESE
15
0.2
ESE
15
1
SSE
8
0.2
ESE
15
0.3
ESE
15
0.9
SSE
8
0.4
SE
9
Energy kJ
34
30
175
171
141
163
27
369
508
92
6
882
1762
25
25
10
25
23
21
140
21
42
101
29
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
18
0.1
SE
18
0.4
SE
11
0.4
SE
11
0.4
SE
10
0.4
SE
10
0.2
ESE
17
0.2
ESE
16
1
SW
12
0.2
ESE
16
0.2
ESE
16
0.2
ESE
16
0.2
E
16
0.2
E
8
0.2
E
9
0.2
E
9
0.2
E
8
0.2
ESE
15
0.1
E
8
0.1
E
8
0.2
ESE
15
0.2
ESE
15
Energy kJ
31
12
30
29
27
27
27
26
295
25
25
25
20
6
6
6
6
21
1
1
21
21
Wind waves
Height (m)
Direction
Period (s)
1.6
SSW
6
1.6
SSW
7
1.5
SSW
6
2.4
SSW
13
3.5
SSW
12
4
SW
12
0.3
E
3
0.3
ENE
3
0.4
E
3
Energy kJ
202
222
192
1995
3256
4378
1
2
3
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
2
2
2
1
4
4
4
5
4
4
1
4
4
4
3
3
2
2
2
2
1
Distance (km)
94
94
2
2
2
94
6
94
65
94
352
103
103
6
2
2
65
2
104
2
13
13
13
130
Best forecast wave conditions in Shizuoka
Rating
(10 max)
3
3
2
2
2
2
1
4
4
4
1
4
4
4
3
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
3
3
2
2
3
3
3
4
4
4
5
4
4
4
4
4
4
3
3
3
2
2
2
2
Header Global
Rating
(10 max)
5
5
6
6
7
7
5
7
6
6
6
5
4
8
9
8
8
7
6
5
5
5
9
6
  • 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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