Katahama 48 hour detailed Surf Forecast

Lat Long: 34.72° N 138.22° E

Issued: 8 pm 03 Oct 2026 (local time)

Forecast update in hr min

Today's Katahama sea temperature is

25.2°C

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 (04 Oct):

Morning surf: Morning surf (04 Oct, local time) - 6ft (1.9m), 9s period with ESE swell.
Afternoon surf: Afternoon surf (04 Oct, local time) - 7ft (2.2m), 9s period with ESE swell.
Evening surf: Evening surf (04 Oct, local time) - 8ft (2.4m), 9s period with ESE swell.

The current surf forecast for Katahama at 1AM is: 1.9m 8s primary swell from a East direction and 0.1m 15s secondary swell from a Southeast direction, 0.2m 17s secondary swell from a East direction (forecast issued at 08:00pm October 03). The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (04 Oct)	6ft (1.9m)	9s
Afternoon (04 Oct)	7ft (2.2m)	9s
Evening (04 Oct)	8ft (2.4m)	9s

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

	Short Range Forecast Mostly dry. Warm (max 27°C on Tue afternoon, min 20°C on Sat night). Winds decreasing (fresh winds from the ENE on Sun night, calm by Tue afternoon).
	Sat 3		Sunday 4								Monday 5
	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
Rating (10 max)	2	1	1	1	1	0	0	0	0	1	1	2	2	2	2	2	2	5
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 8	E 8	E 8	ESE 9	E 9	ESE 9	E 9	ESE 9	ESE 9	ESE 9	E 9	SSE 17	SSE 16	SSE 15	SSE 15	E 10	SE 14	SE 16
Wave Graph
kJ	488	488	512	547	575	599	646	708	724	841	777	1044	1094	1132	1117	1004	1196	2284
Wind (km/h)	ENE	NE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE	ENE	NE	NE	NE	NE	NE	NE	N
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross	cross	cross-on	cross-on	cross-on	cross	cross	cross	cross	cross	cross	cross	cross	cross-off
High Tide		8:53PM1.42m						1:49PM1.39m			10:48PM1.29m					2:45PM1.48m
Low Tide	3:44PM1.23m				5:15AM0.63m					7:02PM1.24m				6:57AM0.66m				8:49PM1.10m


	—	—	—	5:43	—	—	—	—	—	—	—	5:43	—	—	—	—	—	—
	—	—	—	—	—	—	—	5:28	—	—	—	—	—	—	—	5:27	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	21	21	20	20	20	20	22	22	22	21	21	20	20	21	22	23	23	22
Feels °C	20	20	18	17	17	16	18	18	18	16	17	17	18	18	19	21	21	20
Swell 1 Height (m) Direction Period (s)	ESE 15	ESE 15	SE 15	SSE 11	SSE 11	SE 14	ESE 16	SSE 14	SSE 12	SSE 13	SSE 12	SSE 17	SSE 16	SSE 15	ESE 10	ESE 10	SE 14	SE 16
kJ	21	21	8	12	12	8	50	41	60	111	171	1044	1094	1132	696	671	1196	2284
Swell 2 Height (m) Direction Period (s)	E 18	SE 12	E 17	E 17	ESE 16	E 16	SSE 14	ESE 16	ESE 16	SSE 16	SE 18	ESE 14	ESE 14	ESE 14	SSE 15	SSE 14	ESE 10	E 10
kJ	6	6	24	23	25	21	19	49	48	179	323	68	69	70	1117	985	586	550
Swell 3 Height (m) Direction Period (s)	—	E 17	—	SE 14	SE 14	E 14	—	SSE 12	SSE 18	ESE 16	ESE 15	—	—	—	ESE 14	ESE 14	ESE 14	ESE 13
kJ	—	23	—	8	8	16	—	14	30	49	76	—	—	—	70	67	62	35
Wind waves Height (m) Direction Period (s)	E 8	E 8	E 8	ESE 9	E 9	ESE 9	E 9	ESE 9	ESE 9	ESE 9	E 9	E 9	E 9	E 9	—	E 10	E 10	E 10
kJ	488	488	512	547	575	599	646	708	724	841	777	635	675	690	—	1004	913	893
Nearest Offshore or Glassy	Tainohama Shikoku	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Nagahama Kanagawa	Nagahama Kanagawa	Akabane Long Beach Shizuoka	Nunoshima Shikoku	Nunoshima Shikoku	Sakawa River Kanagawa	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Suruga Bay Shizuoka
Rating (10 max)	1	3	3	3	3	1	1	3	3	3	3	4	4	4	4	4	4	4
Distance (km)	352	13	13	13	13	138	138	94	351	351	103	13	13	13	13	13	13	2
Best forecast wave conditions in Shizuoka		Omaezaki	Omaezaki	Omaezaki	Omaezaki			Akabane Long Beach				Omaezaki	Omaezaki	Omaezaki	Omaezaki	Akabane Long Beach	Akabane Long Beach	Akabane Long Beach
Rating (10 max)		3	3	3	3			3				4	4	4	4	4	4	4
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Akabane Long Beach Shizuoka	Nunoshima Shikoku	Nunoshima Shikoku	Mera Chiba	Mera Chiba	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku
Rating (10 max)	1	3	3	4	3	3	4	3	3	3	4	5	4	4	4	4	4	4
Header Global	Papatowai New Zealand	Meatworks New Zealand	Cyclops Australia	Injidup Carpark Australia	Trial Harbour Australia	Buchupureo Chile	Buchupureo Chile	Mata Veri Chile	Puertecillo Chile	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Lebu Chile	Barrancon Chile	Barrancon Chile	Barrancon Chile	Easter Reef Australia
Rating (10 max)	5	5	5	5	5	5	5	5	5	7	7	7	6	5	4	4	4	5

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Latest Updates

Ben Mondy

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

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.

Katahama 48 hour detailed Surf Forecast

How big are the waves at Katahama today (04 Oct):

Short Range Forecast

Latest Updates

Surf-Forecast Now Has Webcams

Road Testing the new Db Surf Roller Pro

Summer's Short. Life Is Long.

Roadsurfing in the Basque country

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

FREE! Surf-Forecast.com widget for your website