Osaki 48 hour detailed Surf Forecast

Lat Long: 35.29° N 139.56° E

Issued: 2 am 09 Oct 2026 (local time)

Forecast update in hr min

Today's Osaki sea temperature is

23.9°C

Osaki 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 Osaki today (09 Oct):

Morning surf: Morning surf (09 Oct, local time) - 1ft (0.3m), 18s period with ESE swell.
Afternoon surf: Afternoon surf (09 Oct, local time) - 1ft (0.3m), 17s period with ESE swell.
Evening surf: Evening surf (09 Oct, local time) - 1ft (0.3m), 16s period with ESE swell.

The current surf forecast for Osaki at 8AM is: 0.3m 18s primary swell from a East-southeast direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 02:00am October 09). The wind direction is predicted to be offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (09 Oct)	1ft (0.3m)	18s
Afternoon (09 Oct)	1ft (0.3m)	17s
Evening (09 Oct)	1ft (0.3m)	16s

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

	Short Range Forecast Mostly dry. Warm (max 24°C on Sat afternoon, min 19°C on Fri night). Wind will be generally light.
	Friday 9								Saturday 10								Sunday 11
	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	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	0	0	0	1	1	1	0	0	0	0	0	1	0	1	1	1	1	1	1	1	1	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 9	ESE 16	ESE 20	ESE 18	ESE 18	ESE 17	ESE 16	ESE 16	ESE 15	ESE 15	SE 14	ESE 14	ESE 14	ESE 13	ESE 13	ESE 12	SE 12	ESE 13	ESE 12	ESE 12	ESE 12	ESE 11	SE 16	SE 16
Wave Graph
kJ	27	26	38	64	61	57	51	50	43	42	53	75	73	151	142	131	159	140	129	125	75	48	49	40
Wind (km/h)	ESE	ENE	NE	NE	ENE	SE	SE	E	NE	NE	NNE	NNE	NE	NE	E	ENE	NE	NNE	N	NNE	E	SE	SSW	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross-off	off	off	cross-off	glassy	cross	cross-off	off	off	off	off	cross-off	cross-off	cross-off	cross-off	off	off	off	off	glassy	glassy	on	glassy
High Tide			3:12AM1.39m				4:00PM1.43m				4:06AM1.47m				4:24PM1.46m				4:53AM1.53m				4:47PM1.49m
Low Tide	9:26PM0.78m				9:38AM0.50m				10:01PM0.62m				10:19AM0.54m				10:35PM0.47m				10:55AM0.60m


	—	5:41	—	—	—	—	—	—	—	5:41	—	—	—	—	—	—	—	5:43	—	—	—	—	—	—
	—	—	—	—	—	5:15	—	—	—	—	—	—	—	5:14	—	—	—	—	—	—	—	5:13	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	21	21	20	20	22	23	22	21	20	20	19	20	22	24	23	21	20	20	19	20	22	23	23	22
Feels °C	21	21	20	19	22	23	20	20	19	18	17	18	20	22	21	20	20	20	18	19	22	23	22	22
Swell 1 Height (m) Direction Period (s)	SE 9	SE 9	SE 9	SE 9	SE 8	SE 8	ESE 16	SE 8	ESE 15	SE 8	SE 14	ESE 14	ESE 14	ESE 13	ESE 13	ESE 12	SE 12	ESE 13	ESE 12	ESE 12	ESE 12	ESE 11	ESE 11	SE 11
kJ	22	13	13	20	18	18	51	24	43	15	53	75	73	151	142	131	159	140	129	125	75	48	49	33
Swell 2 Height (m) Direction Period (s)	SE 5	SSE 5	SSE 5	ESE 18	ESE 18	ESE 17	SE 8	ESE 16	SE 8	ESE 15	SE 8	SE 8	SE 8	S 9	S 9	S 9	S 9	S 9	S 8	SE 16	SE 15	SE 15	SE 16	SE 16
kJ	4	2	2	64	61	57	11	50	10	42	9	9	11	2	2	2	2	1	1	10	9	8	43	40
Swell 3 Height (m) Direction Period (s)	ESE 17	ESE 16	ESE 20	SE 12	SE 11	SE 11	SE 11	SE 11	SE 11	SE 18	SE 10	SE 10	—	—	—	—	—	—	—	S 9	S 9	SE 18	S 9	S 8
kJ	27	26	38	5	5	5	5	5	5	12	4	4	—	—	—	—	—	—	—	1	2	12	2	1
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	NE 2	NNE 2	NNE 2	—	—	E 3	NE 2	NNE 2	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	1	1	1	—	—	1	1	1	—	—	—	—	—	—
Nearest Offshore or Glassy	Uchiboso Chiba	Uchiboso Chiba	zushi Marina Kanagawa	Osaki Kanagawa	Osaki Kanagawa	Osaki Kanagawa	Uchiboso Chiba	zushi Marina Kanagawa	zushi Marina Kanagawa	zushi Marina Kanagawa	zushi Marina Kanagawa	Osaki Kanagawa	Mera Chiba	Osaki Kanagawa	Osaki Kanagawa	Osaki Kanagawa	Osaki Kanagawa	Osaki Kanagawa	Osaki Kanagawa	Osaki Kanagawa	Osaki Kanagawa	zushi Marina Kanagawa	Chigasaki Jetty Kanagawa	Inamura Point Kanagawa
Rating (10 max)	1	1	1	1	1	1	2	1	1	1	1	1	4	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	37	37	0	0	0	0	37	0	0	0	0	0	50	0	0	0	0	0	0	0	0	0	15	8
Best forecast wave conditions in Kanagawa	Sakawa River	Sakawa River	Sakawa River	Shonan	Kurihama	Sakawa River	Sakawa River	Kugenuma Rivermouth	Sakawa River	Sakawa River	Sakawa River	Oiso Jetty		Inamura Point	Sakawa River	Inamura Point	Sakawa River	Sakawa River	Sakawa River	Sakawa River	Kurihama	Shonan	Sakawa River	Sakawa River
Rating (10 max)	2	2	2	1	3	2	2	1	2	2	2	1		1	3	1	3	3	3	3	3	1	2	2
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Mera Chiba	Kuminatu Chiba	Kuminatu Chiba	Omaezaki Shizuoka	Keta Reef Oshima Izu Islands	Kuminatu Chiba	Kuminatu Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka	Niyodo Rivermouth Shikoku	Katagai Chiba	Mera Chiba	Mera Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Akabane Long Beach Shizuoka	Mera Chiba	Susuki Shizuoka	Kuminatu Chiba
Rating (10 max)	3	4	4	4	4	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Keramas Indonesia	Boneyards South Africa	Keusik Luhur Indonesia	Desert Point (Bangko-Bangko) Indonesia	Dolphin Point South Africa	Dolphin Point South Africa	Albatross South Africa	Ahijedero Mexico	Hullets Reef South Africa	Boneyards South Africa	Pascuales Mexico	Tahai Chile	Pascuales Mexico	Pascuales Mexico	Asu Indonesia	Pascuales Mexico	Cyclops Australia	Pascuales Mexico	Easter Reef Australia	Easter Reef Australia	Bullies Australia	Luna Park Australia	Easter Reef Australia	Easter Reef Australia
Rating (10 max)	5	5	5	5	5	5	4	4	5	5	7	5	5	6	4	7	7	8	7	9	5	9	9	8

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

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Osaki 48 hour detailed Surf Forecast

How big are the waves at Osaki today (09 Oct):

Short Range Forecast

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