Surf Break

Lat Long: 34.72° N 138.22° E

Katahama 48 hour detailed Surf Forecast

Issued: 2 pm 02 Nov 2026 (local time)

Forecast update in  hr  min

Today's Katahama sea temperature is
22.5°C
0.3° 

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 (02 Nov):

  • Afternoon surf: Afternoon surf (02 Nov, local time) - 4.5ft (1.4m), 13s period with SSE swell.
  • Evening surf: Evening surf (02 Nov, local time) - 4ft (1.2m), 12s period with SSE swell.

The current surf forecast for Katahama at 11PM is: 1.2m 12s primary swell from a South-southeast direction and 0.3m 9s secondary swell from a East direction (forecast issued at 02:00pm November 02). An open ocean swell of 1.7m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (02 Nov)--
Afternoon (02 Nov)4.5ft (1.4m)13s
Evening (02 Nov)4ft (1.2m)12s

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


Short Range Forecast

Heavy rain (total 31mm), heaviest during Thu morning. Very mild (max 18°C on Mon afternoon, min 14°C on Mon night). Winds increasing (calm on Tue afternoon, fresh winds from the ENE by Wed afternoon).

Mon
2
Tuesday
3
Wednesday
4
Thu
5
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
Rating
(10 max)
2
2
2
1
2
2
2
2
2
3
3
2
3
2
2
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)
1.4
SSE
13
1.4
SSE
13
1.3
SSE
13
1.2
SSE
12
1.2
SSE
12
1.2
SSE
12
1.2
SSE
12
1.2
SSE
12
1.3
SSE
13
1.1
SSE
12
1.4
SSE
12
1.4
SSE
13
1.4
SSE
13
1.4
SSE
12
1.4
SSE
12
1.4
SSE
12
1.4
SSE
12
1.4
SSE
12
2.5
E
8
3
ESE
9
3.5
ESE
10
3.5
ESE
10
3.5
ESE
10
Wave Graph
Metric surfscale
Energy kJ
649
640
546
417
397
390
390
410
529
371
618
700
623
566
557
522
522
514
770
1291
1878
2369
2386
Wind (km/h)
20
WSW
15
WNW
20
W
20
WNW
15
WNW
15
NW
5
NNW
10
NNW
5
NE
5
SSW
0
SW
5
E
15
NNE
15
NNE
25
NE
30
NE
35
NE
35
NE
35
ENE
35
NE
35
NE
35
NE
30
NE
Wind State
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
off
cross
glassy
glassy
cross-on
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
12:22PM1.42m
10:41PM1.22m
1:29PM1.47m
1:04AM1.23m
2:14PM1.52m
2:26AM1.31m
Low Tide
6:22PM1.10m
5:56AM0.65m
7:53PM0.95m
7:17AM0.70m
8:45PM0.80m
cloud
light rain
light rain
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
—
6:07
—
—
—
—
—
—
—
6:09
—
—
—
—
—
—
—
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
4:52
—
—
—
—
—
—
—
4:52
—
—
—
—
—
—
—
4:51
—
—
—
—
4:50
 mm
—
3
3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
2
4
4
Temp °C
19
17
18
17
16
14
14
16
18
18
18
18
17
16
16
16
17
17
16
16
16
15
15
Feels °C
17
16
16
15
14
12
13
15
18
18
18
18
15
13
12
11
11
11
9
10
10
9
10
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Katahama surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest