Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 8 pm 08 Oct 2026 (local time)

Forecast update in hr min

Today's Choshi sea temperature is

22.1°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 (09 Oct):

Morning surf: Morning surf (09 Oct, local time) - 5ft (1.5m), 17s period with E swell.
Afternoon surf: Afternoon surf (09 Oct, local time) - 5.5ft (1.7m), 16s period with E swell.
Evening surf: Evening surf (09 Oct, local time) - 5.5ft (1.7m), 15s period with E swell.

The current surf forecast for Choshi at 3AM is: 0.8m 20s primary swell from a East-southeast direction and 1.0m 16s secondary swell from a East direction (forecast issued at 08:00pm October 08). The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (09 Oct)	5ft (1.5m)	17s
Afternoon (09 Oct)	5.5ft (1.7m)	16s
Evening (09 Oct)	5.5ft (1.7m)	15s

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

	Short Range Forecast Mostly dry. Warm (max 22°C on Sat night, min 20°C on Thu night). Wind will be generally light.
	Thu 8		Friday 9								Saturday 10
	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	3	3	3	3	2	2	2	2	3	1	2	3	3	2	3	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 17	E 16	E 20	ESE 20	E 17	E 17	E 16	E 16	E 16	E 15	E 14	E 14	ESE 13	ESE 13	ESE 12	ESE 12	ESE 12	ESE 11
Wave Graph
kJ	443	539	505	507	1147	1344	1234	1477	1422	1246	1077	947	1074	1042	1035	1220	1160	1167
Wind (km/h)	E	E	E	ENE	NE	NE	ENE	ENE	NE	NE	NE	NE	NE	NNE	NNE	NNE	NNE	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide				2:51AM1.39m					3:12PM1.40m				3:38AM1.43m				3:29PM1.45m
Low Tide		8:53PM0.67m				9:00AM0.53m					9:25PM0.50m				9:33AM0.60m


	—	—	—	5:37	—	—	—	—	—	—	—	5:37	—	—	—	—	—	—
	—	—	—	—	—	—	—	5:09	—	—	—	—	—	—	—	5:08	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	20	21	21	21	20	21	21	21	21	21	21	21	21	21	21	21	21	22
Feels °C	18	20	20	20	18	19	18	18	19	19	19	19	19	18	18	18	19	20
Swell 1 Height (m) Direction Period (s)	ESE 10	E 16	E 16	E 16	E 17	E 17	E 16	E 16	E 16	E 15	E 14	E 14	ESE 13	ESE 13	ESE 12	ESE 12	ESE 12	ESE 11
kJ	214	539	406	501	1147	1344	1234	1477	1422	1246	1077	947	1074	1042	1035	1220	1160	1167
Swell 2 Height (m) Direction Period (s)	E 17	ESE 10	ESE 9	ESE 20	ESE 9	E 9	E 9	ENE 10	ENE 10	NE 10	ESE 18	NE 10	NNE 9	ESE 7	NE 9	NE 9	E 16	E 16
kJ	443	173	153	507	86	106	99	10	9	23	31	14	8	140	3	3	5	5
Swell 3 Height (m) Direction Period (s)	ENE 9	ENE 9	E 20	ESE 9	NE 9	NE 9	NE 10	—	—	S 8	S 8	—	—	NNE 9	—	NE 13	NE 12	NE 12
kJ	110	110	505	121	42	78	76	—	—	5	6	—	—	8	—	7	6	6
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	NE 10	NE 10	NE 10	—	—	E 8	—	NNE 3	—	—	—
kJ	—	—	—	—	—	—	—	77	76	90	—	—	138	—	4	—	—	—
Nearest Offshore or Glassy	Oiso Jetty Kanagawa	Shida Chiba	Uchiboso Chiba	Onjuku Chiba	Katagai Chiba	Kuminatu Chiba	Kurihama Kanagawa	Uchiboso Chiba	Amatu Chiba	Amatu Chiba	Onjuku Chiba	Katagai Chiba	Katagai Chiba	Uchiboso Chiba	Osaki Kanagawa	Uchiboso Chiba	Uchiboso Chiba	Onjuku Chiba
Rating (10 max)	1	3	1	3	3	4	3	2	4	4	4	3	3	1	1	2	2	4
Distance (km)	150	56	117	71	37	83	115	117	86	86	71	37	37	117	122	117	117	71
Best forecast wave conditions in Chiba		Ohara	Uchiboso	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera
Rating (10 max)		3	1	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Turtles Okinawa	Niyodo Rivermouth Shikoku	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Mera Chiba	Omaezaki Shizuoka	Mera Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka
Rating (10 max)	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Benkunqut Indonesia	Outside Corner 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	Pascuales Mexico	Steep Point Australia	Asu Indonesia	Pascuales Mexico	Pascuales Mexico
Rating (10 max)	5	5	5	5	5	5	5	5	4	5	5	5	5	5	5	4	5	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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Choshi 48 hour detailed Surf Forecast

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

Short Range Forecast

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