Osaki 48 hour detailed Surf Forecast

Lat Long: 35.29° N 139.56° E

Issued: 2 pm 08 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 (08 Oct):

Afternoon surf: Afternoon surf (08 Oct, local time) - 1.5ft (0.4m), 10s period with SE swell.
Evening surf: Evening surf (08 Oct, local time) - 2ft (0.6m), 7s period with ESE swell.

The current surf forecast for Osaki at 7PM is: 0.4m 10s primary swell from a Southeast direction and 0.1m 17s secondary swell from a Southeast direction (forecast issued at 02:00pm October 08). The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (08 Oct)	-	-
Afternoon (08 Oct)	1.5ft (0.4m)	10s
Evening (08 Oct)	2ft (0.6m)	7s

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.
	Thu 8				Friday 9								Saturday 10
	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	0	0	1	1	1	0	1	0	0	0	1	1	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 10	SE 10	SE 10	ESE 7	SE 9	ESE 16	ESE 20	ESE 18	ESE 18	ESE 17	ESE 16	ESE 16	ESE 15	ESE 15	SE 14	SE 16	ESE 14	SE 13	SE 13	SE 12
Wave Graph
kJ	37	35	35	33	27	26	38	64	61	57	51	50	43	42	51	39	129	178	167	154
Wind (km/h)	NE	SE	SE	SE	ESE	ENE	NNE	NE	ENE	E	ESE	ENE	NE	NE	NNE	NNE	NE	NE	ENE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	cross	cross	cross	cross-off	cross-off	off	off	cross-off	cross-off	cross	cross-off	off	off	off	off	off	cross-off	cross-off	cross-off
High Tide			3:36PM1.40m				3:12AM1.39m				4:00PM1.43m				4:06AM1.47m				4:24PM1.46m
Low Tide					9:26PM0.78m				9:38AM0.50m				10:01PM0.62m				10:19AM0.54m


	—	—	—	—	—	5:41	—	—	—	—	—	—	—	5:41	—	—	—	—	—	—
	—	5:16	—	—	—	—	—	—	—	5:15	—	—	—	—	—	—	—	5:14	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	21	22	22	21	21	21	20	20	21	23	22	21	20	20	19	20	22	24	23	21
Feels °C	20	21	21	20	21	21	20	19	20	22	19	19	18	18	17	18	19	21	20	19
Swell 1 Height (m) Direction Period (s)	SE 10	SE 10	SE 10	SE 10	SE 9	SE 9	SE 9	SE 9	SE 8	SE 8	ESE 16	SE 8	SE 8	ESE 15	SE 14	ESE 13	ESE 14	SE 13	SE 13	SE 12
kJ	37	35	35	33	22	13	13	20	18	18	51	23	15	42	51	35	123	178	167	154
Swell 2 Height (m) Direction Period (s)	E 18	SE 18	SE 17	ESE 17	SSE 5	SSE 5	SSE 5	ESE 18	ESE 18	ESE 17	SE 8	ESE 16	ESE 15	SE 8	SE 8	SE 16	ESE 9	S 9	S 9	S 9
kJ	6	12	11	29	2	2	2	64	61	57	11	50	43	9	9	39	129	2	2	2
Swell 3 Height (m) Direction Period (s)	ESE 18	—	E 21	—	ESE 17	ESE 16	ESE 20	SE 12	SE 11	SE 11	SE 11	SE 11	SE 11	SE 18	SE 10	SE 8	—	—	—	—
kJ	30	—	8	—	27	26	38	5	5	5	5	5	5	12	4	10	—	—	—	—
Wind waves Height (m) Direction Period (s)	NNE 2	—	—	ESE 7	—	—	—	—	—	—	ESE 2	ESE 5	—	—	NE 2	NE 2	NNE 2	NE 2	ENE 3	ENE 3
kJ	1	—	—	29	—	—	—	—	—	—	1	11	—	—	1	1	1	1	1	3
Nearest Offshore or Glassy	zushi Marina Kanagawa	Uchiboso Chiba	Sakawa River Kanagawa	Sagami River Kanagawa	zushi Marina Kanagawa	Uchiboso Chiba	zushi Marina Kanagawa	Osaki Kanagawa	Osaki Kanagawa	Osaki Kanagawa	Hanamizu River Kanagawa	Osaki Kanagawa	zushi Marina Kanagawa	zushi Marina Kanagawa	zushi Marina Kanagawa	Osaki Kanagawa	Osaki Kanagawa	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2
Distance (km)	0	37	38	18	0	37	0	0	0	0	28	0	0	0	0	0	0	37	37	37
Best forecast wave conditions in Kanagawa	Inamura Point		Sakawa River	Sakawa River	Sakawa River	Sakawa River	Sakawa River	Shonan	Inamura Point	Rock Island	Sakawa River	Inamura Point	Sakawa River	Sakawa River	Sakawa River	Kugenuma Rivermouth	Kugenuma Rivermouth
Rating (10 max)	1		1	1	2	2	2	1	1	1	2	1	2	2	2	1	2
Best forecast wave conditions in Japan	Mera Chiba	Usami Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Mera Chiba	Kuminatu Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka	Mera Chiba	Amatu Chiba	Kuminatu Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Omaezaki Shizuoka	Mera Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka
Rating (10 max)	3	1	3	2	3	4	4	4	4	4	4	4	4	4	4	3	4	4	4	4
Header Global	Hell South Africa	Benkunqut Indonesia	Benkunqut Indonesia	Keramas Indonesia	Keramas Indonesia	Boneyards South Africa	Nyang-Nyang Indonesia	Hell South Africa	Dolphin Point South Africa	Dolphin Point South Africa	Fish Boma South Africa	Papatowai New Zealand	Leftovers South Africa	Boneyards South Africa	Boneyards South Africa	Albatross South Africa	Pascuales Mexico	Pascuales Mexico	Pascuales Mexico	Cyclops Australia
Rating (10 max)	6	5	5	5	5	5	5	5	5	5	5	5	5	5	5	4	7	5	5	7

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 Osaki 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.

Osaki 48 hour detailed Surf Forecast

How big are the waves at Osaki today (08 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