Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 2 am 21 Oct 2026 (local time)

Forecast update in hr min

Today's Choshi sea temperature is

23.7°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 (21 Oct):

Morning surf: Morning surf (21 Oct, local time) - 4.5ft (1.4m), 7s period with S swell.
Afternoon surf: Afternoon surf (21 Oct, local time) - 6.5ft (2.0m), 7s period with S swell.
Evening surf: Evening surf (21 Oct, local time) - 7ft (2.2m), 8s period with S swell.

The current surf forecast for Choshi at 8AM is: 0.6m 14s primary swell from a South-southeast direction and 0.6m 11s secondary swell from a Southeast direction, 1.3m 6s secondary swell from a South direction (forecast issued at 02:00am October 21). The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (21 Oct)	4.5ft (1.4m)	7s
Afternoon (21 Oct)	6.5ft (2.0m)	7s
Evening (21 Oct)	7ft (2.2m)	8s

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

	Short Range Forecast Mostly dry. Warm (max 26°C on Wed morning, min 15°C on Thu night). Winds decreasing (near gales from the SW on Wed afternoon, light winds from the ESE by Fri night).
	Wednesday 21								Thursday 22								Friday 23
	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)	2	0	0	0	0	0	0	0	0	3	4	0	0	0	0	0	0	0	0	0	0	0	0	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 12	SSE 12	SE 12	S 7	S 7	S 7	S 16	S 8	S 8	SSW 8	SSE 15	SSE 14	SSE 14	SSE 14	SSE 13	SSE 13	SSE 13	SSE 12	SSE 13	SSE 12	S 12	S 12	S 13	S 14
Wave Graph
kJ	172	289	161	167	262	411	524	567	314	464	892	366	293	352	253	246	168	160	165	162	151	113	119	148
Wind (km/h)	WSW	SW	SW	SW	SSW	SSW	SW	SW	SW	WSW	N	NNE	NE	NE	NNE	NE	NNE	NE	NE	ENE	ENE	E	E	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross	cross	cross	cross	cross	cross	cross	cross	cross-off	cross-off	cross-off	cross	cross	cross-off	cross-off	cross-off	cross	cross	cross	cross-on	cross-on	cross-on	on
High Tide	9:55PM1.13m					1:49PM1.27m				00:17AM1.16m				2:05PM1.31m				1:33AM1.25m				2:22PM1.36m
Low Tide				6:07AM0.59m				7:24PM0.95m				7:07AM0.59m				7:56PM0.79m				7:53AM0.60m				8:28PM0.62m


	—	5:47	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—
	—	—	—	—	—	4:53	—	—	—	—	—	—	—	4:52	—	—	—	—	—	—	—	4:52	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	23	24	24	25	26	26	25	25	25	25	22	18	17	17	17	16	16	15	15	16	16	17	17	19
Feels °C	25	22	21	21	21	20	19	20	21	24	22	11	11	11	11	11	10	9	10	12	13	14	14	18
Swell 1 Height (m) Direction Period (s)	SE 12	SSE 12	SE 12	SSE 14	SSE 14	SSE 13	S 16	S 16	SSE 15	SSE 8	SSE 15	SSE 14	SSE 14	SSE 14	SSE 13	SSE 13	SSE 13	SSE 12	SSE 13	SSE 12	S 12	S 12	E 5	S 14
kJ	172	289	161	140	123	307	515	516	270	235	892	366	293	352	253	246	168	160	165	162	151	113	18	148
Swell 2 Height (m) Direction Period (s)	S 6	SE 16	SSE 15	SE 11	SE 11	S 18	—	—	SE 9	SSE 15	SSW 8	SSE 8	SSE 8	ESE 10	SE 10	ESE 10	SE 10	SE 10	SE 10	ESE 10	ESE 10	ESE 10	S 13	E 5
kJ	26	66	87	79	55	160	—	—	88	422	215	103	35	36	47	36	45	45	46	37	38	38	119	17
Swell 3 Height (m) Direction Period (s)	SE 6	NNE 4	NNE 4	NE 4	—	—	—	—	SSE 13	—	S 14	SSE 8	SE 9	SE 10	SSE 7	S 16	—	—	NE 8	NE 8	SE 10	NNE 9	ESE 10	ESE 10
kJ	14	1	1	1	—	—	—	—	90	—	602	87	43	44	10	21	—	—	24	16	46	17	38	38
Wind waves Height (m) Direction Period (s)	S 6	SSW 6	S 6	S 7	S 7	S 7	S 7	S 8	S 8	SSW 8	NE 4	NE 5	NE 5	NE 5	NE 6	NE 6	NE 6	NE 6	NE 6	ENE 5	ENE 5	ENE 5	—	—
kJ	82	97	74	167	262	411	524	567	314	464	14	61	94	90	119	124	156	132	59	34	39	27	—	—
Nearest Offshore or Glassy	Choshi Chiba	Hashikui Bay Shikoku	Hashikui Bay Shikoku	Hashikui Bay Shikoku	Takegashima Shikoku	Hashikui Bay Shikoku	Gomoda Shikoku	Nunoshima Shikoku	Tainohama Shikoku	Shonan Kanagawa	Choshi Chiba	Chikura Chiba	Uchiboso Chiba	Suruga Bay Shizuoka	Yasuda Rivermouth Shikoku	Hayama Cliffs Kanagawa	Hanamizu River Kanagawa	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba	Hayama Cliffs Kanagawa	Hayama Cliffs Kanagawa	Uchiboso Chiba	Shida Chiba
Rating (10 max)	2	3	3	4	4	4	5	4	5	3	4	4	3	4	4	2	2	2	2	2	2	3	3	3
Distance (km)	0	613	613	613	640	613	591	609	610	130	0	115	117	257	674	121	147	117	117	117	121	121	117	56
Best forecast wave conditions in Chiba	Tsurigasaki Surfing Beach (Tokyo 2020)										Tsurigasaki Surfing Beach (Tokyo 2020)	Chikura	Uchiboso					Uchiboso	Uchiboso	Mera			Uchiboso	Ohara
Rating (10 max)	3										4	4	3					2	2	3			3	3
Best forecast wave conditions in Japan	Takegashima Shikoku	Takegashima Shikoku	Niyodo Rivermouth Shikoku	Takegashima Shikoku	Takegashima Shikoku	Takegashima Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku
Rating (10 max)	4	4	4	4	4	5	5	5	5	4	5	5	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Cyclops Australia	Cyclops Australia	Cyclops Australia	Cyclops Australia	Virac Harbour Philippines	Virac Harbour Philippines	Super Tubes South Africa	Lucky Point Philippines	Lucky Point Philippines	Haga-Haga South Africa	Riet River South Africa	Haga-Haga South Africa	Barbel Point South Africa	Easter Reef Australia	Trial Harbour Australia	Benkunqut Indonesia	Batu Mandi Indonesia	Bali Village Indonesia	Bali Village Indonesia	Luna Park Australia	Bommie Peak Indonesia	Bawa Indonesia	Trial Harbour Australia	Luna Park Australia
Rating (10 max)	6	6	7	7	6	6	6	9	9	9	8	7	5	5	6	5	5	6	6	6	5	5	7	6

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 (21 Oct):

Short Range Forecast

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