Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 8 am 07 Oct 2026 (local time)

Forecast update in hr min

Today's Choshi sea temperature is

23.2°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 (07 Oct):

Morning surf: Morning surf (07 Oct, local time) - 13ft (4.0m), 15s period with ESE swell.
Afternoon surf: Afternoon surf (07 Oct, local time) - 8ft (2.5m), 13s period with E swell.
Evening surf: Evening surf (07 Oct, local time) - 6ft (1.9m), 12s period with ESE swell.

The current surf forecast for Choshi at 5PM is: 2.4m 13s primary swell from a East-southeast direction (forecast issued at 08:00am October 07). An open ocean swell of 1.0m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (07 Oct)	13ft (4.0m)	15s
Afternoon (07 Oct)	8ft (2.5m)	13s
Evening (07 Oct)	6ft (1.9m)	12s

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

	Short Range Forecast Mostly dry. Warm (max 21°C on Wed morning, min 19°C on Wed night). Wind will be generally light.
	Wednesday 7						Thursday 8								Friday 9
	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)	!	!	!	2	2	2	2	1	1	1	1	2	1	1	3	3	3	3	2	2	3	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 16	ESE 15	ESE 14	E 13	ESE 13	ESE 12	E 12	E 11	E 11	E 11	ESE 10	E 17	E 17	E 16	E 20	E 16	E 17	E 17	E 16	E 16	E 15	E 15
Wave Graph
kJ	4267	6335	4050	2400	1544	1100	1002	811	686	403	331	270	448	539	505	502	1147	1174	1204	1314	1232	1108
Wind (km/h)	NNW	N	NE	NE	ENE	NE	NE	NE	NE	NE	NE	ENE	ENE	ENE	ENE	NE	NE	NE	NE	NE	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	cross-off	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross-on	cross-on	cross	cross	cross	cross	cross	cross	cross	cross
High Tide				2:41PM1.32m				1:55AM1.32m				2:55PM1.36m				2:51AM1.39m					3:12PM1.40m
Low Tide		7:37AM0.46m				8:21PM0.85m				8:23AM0.48m				8:53PM0.67m				9:00AM0.53m


	5:35	—	—	—	—	—	—	5:35	—	—	—	—	—	—	—	5:37	—	—	—	—	—	—
	—	—	—	5:13	—	—	—	—	—	—	—	5:12	—	—	—	—	—	—	—	5:09	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	20	20	21	21	21	21	21	19	19	20	20	19	20	20	20	20	19	20	20	20	21	21
Feels °C	17	16	18	17	17	17	18	16	16	17	17	16	18	18	18	18	17	18	17	18	20	20
Swell 1 Height (m) Direction Period (s)	E 16	ESE 15	ESE 14	E 13	ESE 13	ESE 12	E 12	E 11	E 11	E 11	ESE 10	E 10	ESE 10	E 16	E 16	E 16	E 17	E 17	E 16	E 16	E 15	E 15
kJ	4267	6335	4050	2400	1544	1100	1002	811	686	403	331	250	214	539	406	501	1147	1174	1204	1314	1232	1108
Swell 2 Height (m) Direction Period (s)	SE 17	ENE 10	ENE 10	NE 10	NE 9	NE 9	E 19	E 18	E 18	NE 11	NE 10	NE 10	E 17	ESE 10	ESE 9	ESE 19	ESE 9	ESE 9	E 9	NE 10	ENE 10	NE 10
kJ	3950	669	578	646	162	141	66	104	101	163	142	117	448	173	147	502	88	86	99	14	9	33
Swell 3 Height (m) Direction Period (s)	—	—	—	SE 14	SE 13	E 20	NE 10	NE 10	—	E 18	E 17	E 17	ENE 9	ENE 9	E 20	ESE 9	NE 9	ENE 8	NE 10	SE 11	SE 11	—
kJ	—	—	—	532	87	30	24	100	—	160	217	270	113	113	505	113	40	28	94	31	30	—
Wind waves Height (m) Direction Period (s)	—	NE 10	NE 9	—	—	—	—	NNE 8	NE 10	NNE 8	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	1085	833	—	—	—	—	184	369	87	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Katagai Chiba	Katagai Chiba	Onjuku Chiba	Onjuku Chiba	Usami Shizuoka	Keta Reef Oshima Izu Islands	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba	Kurihama Kanagawa	Uchizuma Shikoku	Sakawa River Kanagawa	Onjuku Chiba	Onjuku Chiba	Onjuku Chiba	Katagai Chiba	Amatu Chiba	Kurihama Kanagawa	Uchiboso Chiba	Amatu Chiba	Onjuku Chiba
Rating (10 max)	8	5	5	4	2	3	1	1	1	1	2	1	1	3	3	3	3	4	3	2	4	4
Distance (km)	37	37	71	71	174	170	117	117	117	117	115	631	159	71	71	71	37	86	115	117	86	71
Best forecast wave conditions in Chiba	Mera	Matsube Bay	Mera	Onjuku			Mera	Mera	Mera	Mera	Mera			Onjuku	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera
Rating (10 max)	9	7	5	4			4	4	3	3	3			3	4	4	4	4	4	4	4	4
Best forecast wave conditions in Japan	Mera Chiba	Matsube Bay Chiba	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Mera Chiba	Mera Chiba	Niyodo Rivermouth Shikoku	Akabane Long Beach Shizuoka	Mera Chiba	Turtles Okinawa	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Mera Chiba	Mera Chiba	Niyodo Rivermouth Shikoku	Mera Chiba	Omaezaki Shizuoka	Mera Chiba	Mera Chiba	Mera Chiba
Rating (10 max)	9	7	5	4	4	4	4	4	3	3	3	2	2	3	4	4	4	4	4	4	4	4
Header Global	Trial Harbour Australia	Trial Harbour Australia	Hell South Africa	Hell South Africa	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Heaven South Africa	Batu Hiu Indonesia	Hell South Africa	Benkunqut Indonesia	Benkunqut Indonesia	Benkunqut Indonesia	Benkunqut Indonesia	Boneyards South Africa	Outside Corner Indonesia	Dolphin Point South Africa	Dolphin Point South Africa	Dolphin Point South Africa	Ahijedero Mexico	Ahijedero Mexico
Rating (10 max)	9	9	7	6	9	9	8	6	6	5	6	5	5	5	5	5	5	5	5	5	4	4

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 (07 Oct):

Short Range Forecast

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