Katahama 48 hour detailed Surf Forecast

Lat Long: 34.72° N 138.22° E

Issued: 8 am 29 Oct 2026 (local time)

Forecast update in hr min

Today's Katahama sea temperature is

24.1°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 (29 Oct):

Morning surf: Morning surf (29 Oct, local time) - 3.5ft (1.1m), 5s period with E swell.
Afternoon surf: Afternoon surf (29 Oct, local time) - 1.5ft (0.4m), 14s period with SE swell.
Evening surf: Evening surf (29 Oct, local time) - 2ft (0.6m), 13s period with ESE swell.

The current surf forecast for Katahama at 2PM is: 1.1m 5s primary swell from a East direction and 0.4m 10s secondary swell from a Southeast direction, 0.3m 14s secondary swell from a Southeast direction (forecast issued at 08:00am October 29). The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (29 Oct)	3.5ft (1.1m)	5s
Afternoon (29 Oct)	1.5ft (0.4m)	14s
Evening (29 Oct)	2ft (0.6m)	13s

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

	Short Range Forecast Mostly dry. Warm (max 21°C on Fri afternoon, min 14°C on Sat night). Winds increasing (calm on Fri morning, strong winds from the WNW by Sat afternoon).
	Thursday 29						Friday 30								Saturday 31
	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
Rating (10 max)	0	0	0	0	0	1	1	1	2	2	2	1	1	1	1	1	1	0	0	1	1	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 11	E 5	E 5	SE 14	E 6	ESE 13	SE 13	ESE 8	ESE 8	ESE 9	ESE 9	ESE 9	SE 9	SE 9	SE 8	SE 9	SE 9	SE 10	SE 21	SE 20	SE 19	SE 16
Wave Graph
kJ	44	60	83	58	50	118	82	105	173	280	346	346	371	354	244	334	321	348	437	408	1915	773
Wind (km/h)	NE	NE	ENE	ENE	ENE	NNE	N	NNW	NNW	NE	WSW	WSW	WSW	WSW	WSW	W	W	W	W	WNW	WNW	WNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross-on	glassy	cross-off	off	glassy	glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide		7:31AM1.55m				6:28PM1.70m				8:20AM1.50m				7:04PM1.61m					9:22AM1.44m			7:47PM1.49m
Low Tide				12:45PM0.99m				1:31AM0.26m				1:29PM1.06m				2:19AM0.35m				2:31PM1.12m


	6:03	—	—	—	—	—	—	—	6:03	—	—	—	—	—	—	—	6:05	—	—	—	—	—
	—	—	—	4:57	—	—	—	—	—	—	—	4:55	—	—	—	—	—	—	—	4:54	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	15	16	17	18	18	18	18	18	19	18	20	21	19	18	18	18	18	19	21	21	18	17
Feels °C	12	13	14	16	17	18	18	18	19	18	17	17	16	16	16	16	12	12	13	13	10	10
Swell 1 Height (m) Direction Period (s)	ESE 11	ESE 11	SE 10	SE 10	ESE 10	E 6	ESE 6	ESE 8	ESE 8	ESE 9	ESE 9	ESE 9	SE 9	SE 9	SE 8	SE 9	SE 9	SE 10	SE 10	SE 10	SE 19	SE 16
kJ	44	44	27	27	33	31	25	105	173	280	346	346	371	354	244	334	321	348	298	229	1915	773
Swell 2 Height (m) Direction Period (s)	W 4	ESE 15	SE 14	SE 14	SE 13	ESE 13	SE 13	SE 12	SE 12	SE 13	SE 13	SE 12	SE 15	SE 15	SE 10	SE 14	SE 20	SE 19	SE 16	SE 17	SE 20	SE 18
kJ	3	21	33	46	45	118	82	75	55	42	41	39	33	54	80	65	251	278	257	389	753	752
Swell 3 Height (m) Direction Period (s)	ESE 15	W 4	S 6	S 6	SE 11	S 6	SE 8	—	—	SE 16	SE 16	SE 16	ESE 12	ESE 12	SE 12	SE 20	SE 14	SE 22	SE 21	SE 20	—	ESE 10
kJ	21	1	1	1	5	1	16	—	—	10	10	11	14	14	55	97	93	118	437	408	—	111
Wind waves Height (m) Direction Period (s)	E 5	E 5	E 5	E 5	E 6	—	—	—	—	—	—	—	SW 3	WSW 3	WSW 3	W 3	W 4	W 5	W 6	W 6	W 6	W 6
kJ	27	60	83	58	50	—	—	—	—	—	—	—	2	4	4	7	48	115	200	207	249	261
Nearest Offshore or Glassy	Akabane Long Beach Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Sakawa River Kanagawa	Suruga Bay Shizuoka	Omaezaki Shizuoka	Suruga Bay Shizuoka	Suruga Bay Shizuoka	Suruga Bay Shizuoka	Suruga Bay Shizuoka	Susuki Shizuoka	Susuki Shizuoka	Susuki Shizuoka	Susuki Shizuoka	Susuki Shizuoka	Sakawa River Kanagawa	Sakawa River Kanagawa	Usami Shizuoka	Usami Shizuoka	Sakawa River Kanagawa	Shimoda Yamatoken (Tatado Hama) Shizuoka
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	3	3	2	3	4	4
Distance (km)	94	13	13	13	103	2	13	2	2	2	2	6	6	6	6	6	103	103	85	85	103	66
Best forecast wave conditions in Shizuoka	Akabane Long Beach	Akabane Long Beach	Omaezaki	Omaezaki		Omaezaki	Akabane Long Beach	Shimoda Yamatoken (Tatado Hama)	Shimoda Yamatoken (Tatado Hama)	Akabane Long Beach	Akabane Long Beach	Akabane Long Beach	Akabane Long Beach	Akabane Long Beach	Akabane Long Beach	Akabane Long Beach			Usami	Usami		Shimoda Yamatoken (Tatado Hama)
Rating (10 max)	1	1	1	1		1	1	2	2	2	2	2	2	2	2	3			2	3		4
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Mera Chiba	Niyodo Rivermouth Shikoku	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Katagai Chiba	Katagai Chiba	Niijima - Habushiura Izu Islands	Katagai Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Chikura Chiba	Chikura Chiba	Mera Chiba	Niyodo Rivermouth Shikoku
Rating (10 max)	1	1	2	1	2	2	3	2	4	3	3	4	3	4	4	3	3	4	5	5	5	4
Header Global	Tahai Chile	Achadas Da Cruz Portugal	Achadas Da Cruz Portugal	Blackfellows Australia	Ahijedero Mexico	Trial Harbour Australia	Trial Harbour Australia	Papatowai New Zealand	Trial Harbour Australia	Easter Reef Australia	Bay of Skaill United Kingdom	Lebu Chile	Buchupureo Chile	Nine Mile New Zealand	Sky Williams New Zealand	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Buchupureo Chile	Buchupureo Chile	Papatowai New Zealand	Afife Portugal	Weld Road New Zealand
Rating (10 max)	6	4	4	5	4	7	7	9	6	5	4	5	5	6	6	7	6	5	5	5	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)

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Katahama 48 hour detailed Surf Forecast

How big are the waves at Katahama today (29 Oct):

Short Range Forecast

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