Shonan 48 hour detailed Surf Forecast

Lat Long: 35.32° N 139.44° E

Issued: 2 pm 08 Oct 2026 (local time)

Forecast update in hr min

Today's Shonan sea temperature is

24.0°C

Shonan 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 Shonan 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 Shonan 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 onshore.

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 Shonan. (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Warm (max 24°C on Sat afternoon, min 18°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	0	0	0	0	1	0	0	0	0	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)	ENE	SE	SSE	SE	E	NE	N	NE	E	SE	SE	E	NNE	NNE	NNE	NNE	NE	ENE	ENE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	on	on	cross-on	cross-on	glassy	cross-off	cross-off	cross	cross-on	cross-on	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross	cross-off
High Tide			3:31PM1.42m				3:31AM1.42m				3:51PM1.45m				4:15AM1.48m				4:10PM1.49m
Low Tide	9:04AM0.40m				9:31PM0.56m				9:41AM0.44m				10:02PM0.40m				10:14AM0.51m


	—	—	—	—	—	5:41	—	—	—	—	—	—	—	5:43	—	—	—	—	—	—
	—	5:16	—	—	—	—	—	—	—	5:15	—	—	—	—	—	—	—	5:14	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	21	22	22	21	21	20	19	20	22	23	22	21	20	19	18	20	22	24	23	21
Feels °C	19	21	22	21	22	21	19	19	21	22	20	20	19	17	16	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	Kugenuma Rivermouth Kanagawa	Uchiboso Chiba	Sakawa River Kanagawa	Sagami River Kanagawa	Rock Island Kanagawa	Sakawa River Kanagawa	Inamura Point Kanagawa	Shonan Kanagawa	Kugenuma Rivermouth Kanagawa	Rock Island Kanagawa	Hanamizu River Kanagawa	Kugenuma Rivermouth Kanagawa	Shonan Kanagawa	Kugenuma Rivermouth Kanagawa	Kugenuma Rivermouth Kanagawa	Kugenuma Rivermouth Kanagawa	Kugenuma Rivermouth Kanagawa	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba
Rating (10 max)	1	1	1	1	1	2	1	1	1	1	1	1	1	1	1	1	2	2	2	2
Distance (km)	2	47	29	7	10	29	4	0	2	10	17	2	0	2	2	2	2	47	47	47
Best forecast wave conditions in Kanagawa	Inamura Point		Sakawa River	Sakawa River	Sakawa River	Sakawa River	Sakawa River	Inamura Point	Inamura Point	zushi Marina	Sakawa River	Inamura Point	Sakawa River	Sakawa River	Sakawa River	zushi Marina	zushi Marina
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:
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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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Shonan 48 hour detailed Surf Forecast

How big are the waves at Shonan today (08 Oct):

Short Range Forecast

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