Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 8 am 08 Oct 2026 (local time)

Forecast update in hr min

Today's Choshi sea temperature is

22.8°C

Choshi 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 Choshi today (08 Oct):

Morning surf: Morning surf (08 Oct, local time) - 4.5ft (1.3m), 11s period with E swell.
Afternoon surf: Afternoon surf (08 Oct, local time) - 2.5ft (0.8m), 17s period with E swell.
Evening surf: Evening surf (08 Oct, local time) - 3.5ft (1.0m), 16s period with E swell.

The current surf forecast for Choshi at 2PM is: 1.2m 10s primary swell from a East direction (forecast issued at 08:00am October 08). An open ocean swell of 0.8m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (08 Oct)	4.5ft (1.3m)	11s
Afternoon (08 Oct)	2.5ft (0.8m)	17s
Evening (08 Oct)	3.5ft (1.0m)	16s

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

	Short Range Forecast Mostly dry. Warm (max 22°C on Sat afternoon, min 19°C on Sat night). Wind will be generally light.
	Thursday 8						Friday 9								Saturday 10
	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)	1	1	1	2	1	1	3	3	3	3	2	2	2	2	3	1	3	3	3	3	2	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 11	E 11	E 10	E 17	E 17	E 16	E 20	ESE 20	E 17	E 17	E 16	E 16	E 16	E 15	E 14	ESE 14	ESE 14	ESE 13	E 13	ESE 12	ESE 12	ESE 13
Wave Graph
kJ	686	403	367	351	443	539	505	507	1147	1359	1234	1477	1422	1246	1092	861	1090	1179	1336	1382	1461	1725
Wind (km/h)	ENE	ENE	ENE	ENE	E	E	E	ENE	NE	NE	NE	NE	NE	ENE	NE	NE	NE	NNE	NNE	NNE	NE	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross-on	cross-on	cross-on	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross	cross-off
High Tide				2:55PM1.36m				2:51AM1.39m					3:12PM1.40m				3:38AM1.43m				3:29PM1.45m
Low Tide		8:23AM0.48m				8:53PM0.67m				9:00AM0.53m					9:25PM0.50m				9:33AM0.60m


	5:35	—	—	—	—	—	—	5:37	—	—	—	—	—	—	—	5:37	—	—	—	—	—	—
	—	—	—	5:12	—	—	—	—	—	—	—	5:09	—	—	—	—	—	—	—	5:08	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	20	20	21	20	20	21	21	21	20	20	21	20	20	21	21	21	20	21	21	21	22	21
Feels °C	18	17	18	18	18	20	20	20	18	17	18	17	18	19	20	19	18	18	18	19	20	19
Swell 1 Height (m) Direction Period (s)	E 11	E 11	E 10	E 10	ESE 10	E 16	E 16	E 16	E 17	E 17	E 16	E 16	E 16	E 15	E 14	ESE 14	ESE 14	ESE 13	E 13	ESE 12	ESE 12	ESE 13
kJ	686	403	367	250	214	539	406	501	1147	1359	1234	1477	1422	1246	1092	861	1090	1179	1336	1382	1461	1725
Swell 2 Height (m) Direction Period (s)	E 18	NE 11	NE 10	NE 10	E 17	ESE 10	ESE 9	ESE 20	ESE 9	E 9	E 9	SE 11	ENE 10	NE 10	SE 18	E 5	NNE 9	NNE 9	—	ENE 16	—	—
kJ	101	134	110	100	443	173	153	507	86	106	99	19	9	33	81	19	8	8	—	24	—	—
Swell 3 Height (m) Direction Period (s)	E 18	E 18	E 17	E 17	ENE 9	NE 9	E 20	ESE 9	NE 9	NE 9	SE 11	—	SSE 11	S 8	NE 10	—	—	—	—	—	—	—
kJ	157	160	217	351	110	88	505	96	42	76	19	—	22	6	14	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	NNE 8	NE 10	—	—	—	—	—	—	—	—	NE 10	ENE 10	NE 10	—	—	—	—	—	—	—	—	—
kJ	133	181	—	—	—	—	—	—	—	—	76	10	92	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Amatu Chiba	Uchiboso Chiba	Kurihama Kanagawa	Usami Shizuoka	Onjuku Chiba	Uchiboso Chiba	Uchiboso Chiba	Onjuku Chiba	Katagai Chiba	Amatu Chiba	Kurihama Kanagawa	Uchiboso Chiba	Mera Chiba	Amatu Chiba	Onjuku Chiba	Katagai Chiba	Katagai Chiba	Uchiboso Chiba	Osaki Kanagawa	Uchiboso Chiba	Uchiboso Chiba	Katagai Chiba
Rating (10 max)	4	1	2	1	3	1	1	3	3	4	3	2	4	4	4	3	4	2	1	2	2	4
Distance (km)	86	117	115	174	71	117	117	71	37	86	115	117	125	86	71	37	37	117	122	117	117	37
Best forecast wave conditions in Chiba	Kamogawa	Mera	Mera		Onjuku	Uchiboso	Uchiboso	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera		Mera	Mera	Mera
Rating (10 max)	4	4	3		3	1	1	4	4	4	4	4	4	4	4	4	4	4		4	4	4
Best forecast wave conditions in Japan	Kamogawa Chiba	Mera Chiba	Mera Chiba	Usami Shizuoka	Onjuku Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Mera Chiba	Mera Chiba	Mera Chiba	Omaezaki Shizuoka	Mera Chiba	Mera Chiba	Mera Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Mera Chiba	Mera Chiba	Omaezaki Shizuoka	Mera Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka
Rating (10 max)	4	4	3	1	3	2	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Heaven South Africa	Batu Hiu Indonesia	Hell South Africa	Benkunqut Indonesia	Benkunqut Indonesia	Keramas Indonesia	Keramas Indonesia	Boneyards South Africa	Outside Corner Indonesia	Desert Point (Bangko-Bangko) Indonesia	Dolphin Point South Africa	Dolphin Point South Africa	Ahijedero Mexico	Dinner Plates New Zealand	Hullets Reef South Africa	Boneyards South Africa	Boneyards South Africa	Ahijedero Mexico	Steep Point Australia	Mata Veri Chile	Pascuales Mexico	Easter Reef Australia
Rating (10 max)	6	5	6	5	5	5	5	5	5	5	5	5	4	5	5	5	5	5	5	5	5	8

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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Choshi 48 hour detailed Surf Forecast

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

Short Range Forecast

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