Sagami River 48 hour detailed Surf Forecast

Lat Long: 35.31° N 139.36° E

Issued: 2 am 29 Oct 2026 (local time)

Forecast update in hr min

Today's Sagami River sea temperature is

24.0°C

Sagami River 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 Sagami River today (29 Oct):

Morning surf: Morning surf (29 Oct, local time) - 0.5ft (0.1m), 15s period with SE swell.
Afternoon surf: Afternoon surf (29 Oct, local time) - 1ft (0.3m), 13s period with SE swell.
Evening surf: Evening surf (29 Oct, local time) - 1ft (0.3m), 13s period with SE swell.

The current surf forecast for Sagami River at 8AM is: 0.1m 15s primary swell from a Southeast direction and 0.2m 7s secondary swell from a South direction (forecast issued at 02:00am October 29). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (29 Oct)	0.5ft (0.1m)	15s
Afternoon (29 Oct)	1ft (0.3m)	13s
Evening (29 Oct)	1ft (0.3m)	13s

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

	Short Range Forecast Mostly dry. Warm (max 22°C on Fri morning, min 13°C on Thu morning). Wind will be generally light.
	Thursday 29								Friday 30								Saturday 31
	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	0	0	0	0	0	1	0	1	1	0	0	1	1	1	1	2	2	3	0	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 16	SE 15	SE 15	SE 15	SE 14	SE 13	SE 13	SE 13	SE 8	SE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SE 20	SE 19	SSE 19	SSE 18	SE 17	SE 16
Wave Graph
kJ	5	9	8	8	33	28	28	28	29	65	117	143	143	147	123	105	103	94	105	184	750	559	414	437
Wind (km/h)	NE	NE	NE	NNE	NNE	NNE	ENE	WNW	SW	WSW	NW	WNW	SSW	SW	WNW	WNW	W	NW	N	NNE	ENE	S	S	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	glassy	glassy	glassy	cross	glassy	glassy	cross-on	cross-on	cross-off	cross-off	cross-off	cross-off	off	cross-off	glassy	cross-on	glassy	cross-off
High Tide				7:05AM1.44m			5:26PM1.55m					8:02AM1.36m			5:58PM1.50m						9:13AM1.27m			6:35PM1.42m
Low Tide		00:01AM-0.03m				12:04PM0.95m				00:45AM0.01m				12:39PM1.04m				1:35AM0.11m				1:20PM1.10m


	—	—	6:00	—	—	—	—	—	—	—	6:01	—	—	—	—	—	—	—	6:01	—	—	—	—	—
	—	—	—	—	—	4:51	—	—	—	—	—	—	—	4:50	—	—	—	—	—	—	—	4:49	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	14	14	13	13	14	16	16	16	16	17	16	18	22	22	21	19	18	18	17	19	20	21	20	19
Feels °C	9	10	8	9	11	15	16	15	15	16	15	16	19	20	19	18	17	17	15	17	19	19	20	17
Swell 1 Height (m) Direction Period (s)	S 7	S 7	S 7	SE 15	SE 14	SE 13	SE 13	SE 13	SE 8	SE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	S 8	SSE 19	SSE 18	SE 17	SE 16
kJ	4	4	4	8	33	28	28	28	29	65	117	143	143	147	123	105	103	94	85	80	750	559	414	437
Swell 2 Height (m) Direction Period (s)	SE 11	SE 11	SE 15	S 7	SE 7	SE 5	SE 5	SE 5	SE 13	SE 13	SE 13	ESE 12	ESE 12	SE 12	ESE 12	SE 12	SE 13	SE 14	SE 10	SE 13	SE 19	SW 7	SSE 20	SSE 20
kJ	5	5	8	3	2	4	4	4	26	25	26	15	15	24	15	23	26	29	37	59	418	23	163	221
Swell 3 Height (m) Direction Period (s)	E 16	SE 15	SE 11	SE 11	S 6	SE 6	SSE 6	SSE 7	—	—	—	SE 16	SE 16	SE 15	SE 15	SE 15	SE 20	SSE 20	SE 20	SE 19	SW 6	—	SW 7	SSW 8
kJ	5	9	5	4	1	2	4	5	—	—	—	10	10	8	9	9	16	38	105	184	23	—	2	6
Wind waves Height (m) Direction Period (s)	NE 3	NNE 3	NE 3	NNE 3	—	—	NNE 3	—	—	—	—	—	—	—	—	—	—	SW 4	SW 5	—	—	—	—	—
kJ	2	2	2	1	—	—	1	—	—	—	—	—	—	—	—	—	—	29	42	—	—	—	—	—
Nearest Offshore or Glassy	Kamogawa Chiba	Mera Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Sakawa River Kanagawa	Sakawa River Kanagawa	Sakawa River Kanagawa	Sagami River Kanagawa	Chigasaki Jetty Kanagawa	Sagami River Kanagawa	Sagami River Kanagawa	Chigasaki Jetty Kanagawa	Chigasaki Jetty Kanagawa	Sagami River Kanagawa	Sagami River Kanagawa	Sagami River Kanagawa	Sagami River Kanagawa	Sagami River Kanagawa	Sagami River Kanagawa	Sagami River Kanagawa	Kurihama Kanagawa	Sagami River Kanagawa	Sagami River Kanagawa
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	3	4	2	2
Distance (km)	71	63	132	132	132	22	22	22	0	3	0	0	3	3	0	0	0	0	0	0	0	32	0	0
Best forecast wave conditions in Kanagawa						Sakawa River	Sakawa River	Sakawa River	Inamura Point	Sakawa River	Sakawa River	Sakawa River	Chigasaki Jetty	Sakawa River	Sakawa River	Sakawa River	Sakawa River	Sakawa River	Sakawa River	Sakawa River	Inamura Point	Uraga Point	Sakawa River	Sakawa River
Rating (10 max)						1	1	1	1	1	2	2	1	2	2	2	2	2	2	3	4	4	4	4
Best forecast wave conditions in Japan	Malibu Chiba	Katagai Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Katagai Chiba	Katagai Chiba	Katagai Chiba	Katagai Chiba	Niijima - Habushiura Izu Islands	Shida Chiba	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Big Ben Chiba	Malibu Chiba	Niyodo Rivermouth Shikoku	Mera Chiba	Niyodo Rivermouth Shikoku	Mera Chiba
Rating (10 max)	2	1	1	1	1	1	2	2	3	4	4	3	4	2	3	4	4	3	4	4	4	5	4	5
Header Global	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Tahai Chile	Tahai Chile	Achadas Da Cruz Portugal	Blackfellows Australia	Ahijedero Mexico	Trial Harbour Australia	Trial Harbour Australia	Shipstern Bluff Australia	Easter Reef Australia	Easter Reef Australia	Tahai Chile	Lebu Chile	Buchupureo Chile	Nine Mile New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Cob Cottage New Zealand	Papatowai New Zealand	Lebu Chile	Papatowai New Zealand	Shipwreck Bay-Supertubes New Zealand	Afife Portugal	Weld Road New Zealand
Rating (10 max)	5	6	6	6	4	5	4	7	7	9	5	5	5	5	5	6	7	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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Sagami River 48 hour detailed Surf Forecast

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

Short Range Forecast

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