Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 2 am 29 Oct 2026 (local time)

Forecast update in hr min

Today's Choshi sea temperature is

22.9°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 (29 Oct):

Morning surf: Morning surf (29 Oct, local time) - 2.5ft (0.8m), 5s period with NE swell.
Afternoon surf: Afternoon surf (29 Oct, local time) - 1ft (0.3m), 13s period with ESE swell.
Evening surf: Evening surf (29 Oct, local time) - 4.5ft (1.3m), 6s period with SSE swell.

The current surf forecast for Choshi at 11AM is: 0.8m 5s primary swell from a Northeast direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 02:00am October 29). An open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (29 Oct)	2.5ft (0.8m)	5s
Afternoon (29 Oct)	1ft (0.3m)	13s
Evening (29 Oct)	4.5ft (1.3m)	6s

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

	Short Range Forecast Moderate rain (total 10mm), heaviest on Thu night. Warm (max 22°C on Fri night, min 15°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	0	0	!	2	1	0	1	0	0	2	3	3	3	2	1	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 11	ESE 11	ESE 11	NE 5	SE 14	ESE 13	ESE 13	SSE 6	SSE 7	SE 8	SSE 8	SE 8	SSE 8	SE 8	SSE 8	SE 8	SE 8	SE 8	ESE 19	SE 19	SE 18	SE 16	SE 16	SE 19
Wave Graph
kJ	23	23	23	34	31	35	59	108	282	434	1020	423	909	392	687	291	266	216	241	281	366	318	358	423
Wind (km/h)	NE	NE	ENE	E	ESE	S	SSW	SW	SW	SW	WSW	WSW	SSE	S	S	SSW	SW	WNW	NW	N	NNE	E	S	NW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross-on	on	cross-on	cross	cross	cross	cross	cross-off	cross-off	cross-on	cross-on	cross-on	cross	cross	cross-off	off	cross-off	cross-off	cross-on	cross-on	off
High Tide				6:37AM1.38m			4:37PM1.56m					7:35AM1.31m			5:07PM1.52m					8:47AM1.24m			5:41PM1.45m
Low Tide	11:28PM0.01m				11:18AM1.05m					00:12AM0.04m			11:49AM1.11m					1:00AM0.12m				12:23PM1.15m


	—	5:54	—	—	—	—	—	—	—	5:54	—	—	—	—	—	—	—	5:56	—	—	—	—	—	—
	—	—	—	—	—	4:45	—	—	—	—	—	—	—	4:44	—	—	—	—	—	—	—	4:43	—	—
mm	—	—	—	—	—	2	1	1	1	3	1	—	—	—	—	—	—	—	—	—	—	—	—	1
Temp °C	15	15	14	15	17	18	19	19	18	19	18	18	19	19	20	22	20	17	17	18	20	20	20	19
Feels °C	12	11	9	11	14	15	17	17	16	16	17	16	16	18	18	19	16	15	15	15	18	19	18	15
Swell 1 Height (m) Direction Period (s)	NE 7	ESE 11	ESE 11	ESE 11	NE 5	NE 4	ESE 13	SE 13	ESE 13	ESE 13	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	ESE 8	ESE 9	ESE 10	ESE 10
kJ	75	23	23	22	10	5	59	43	62	63	373	423	433	392	330	291	266	216	211	171	185	176	251	196
Swell 2 Height (m) Direction Period (s)	ESE 11	SSE 7	ESE 15	NE 11	SE 10	ESE 10	SE 13	ESE 13	NE 7	NE 7	ESE 12	ESE 12	SE 16	SE 12	ESE 14	ESE 12	ESE 14	SE 19	ESE 19	SE 19	SE 18	SE 16	SE 16	SE 15
kJ	23	5	21	18	28	22	44	58	2	2	59	15	10	6	21	61	36	184	241	281	366	318	358	309
Swell 3 Height (m) Direction Period (s)	SSE 7	NE 11	SE 15	ESE 14	SE 14	ESE 13	NNE 7	NE 7	E 14	E 18	NE 12	NE 12	E 17	SE 15	ESE 14	NE 11	SE 14	SE 14	SE 13	ESE 13	ESE 12	ESE 12	SE 19	SE 19
kJ	5	5	8	21	31	35	5	2	4	6	6	6	5	9	21	5	29	46	80	109	98	88	303	423
Wind waves Height (m) Direction Period (s)	—	NE 6	NE 6	NE 5	NE 4	SE 3	SE 5	SSE 6	SSE 7	SE 8	SSE 8	—	SSE 8	—	SSE 8	—	—	—	SSW 6	NNE 11	NNE 4	—	—	—
kJ	—	46	54	34	16	3	31	108	282	434	1020	—	909	—	687	—	—	—	103	40	11	—	—	—
Nearest Offshore or Glassy	Katagai Chiba	Katagai Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Shida Chiba	Katagai Chiba	Katagai Chiba	Katagai Chiba	Katagai Chiba	Katagai Chiba	Choshi Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Torami Chiba	Katagai Chiba	Choshi Chiba	Choshi Chiba	Choshi Chiba	Choshi Chiba	Shida Chiba	Shida Chiba	Choshi Chiba
Rating (10 max)	1	1	1	1	1	1	1	2	3	4	4	2	4	3	3	3	2	2	3	3	3	4	4	3
Distance (km)	37	37	266	266	266	56	37	37	37	37	37	0	56	56	56	52	37	0	0	0	0	56	56	0
Best forecast wave conditions in Chiba	Big Ben	Mera				Ohara	Chikura	Chikura	Katagai	Katagai	Chikura	Chikura	Ohara	Ohara	Ohara	Torami	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Kamogawa	Chikura	Mera	Mera	Mera	Mera
Rating (10 max)	2	1				1	2	2	3	4	4	3	4	3	3	3	3	3	4	4	4	5	4	5
Best forecast wave conditions in Japan	Big Ben Chiba	Mera Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Chikura Chiba	Chikura Chiba	Katagai Chiba	Katagai Chiba	Chikura Chiba	Niijima - Habushiura Izu Islands	Ohara Chiba	Ohara Chiba	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Kamogawa Chiba	Chikura 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	3	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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Choshi 48 hour detailed Surf Forecast

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

Short Range Forecast

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