Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 2 pm 21 Jul 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 Jul):

Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.0m), 10s period with E swell.
Evening surf: Evening surf (21 Jul, local time) - 3ft (0.9m), 10s period with E swell.

The current surf forecast for Choshi at 6PM is: 1.0m 10s primary swell from a East direction and 0.2m 11s secondary swell from a East-southeast direction, 0.8m 4s secondary swell from a South direction (forecast issued at 02:00pm July 21). The wind direction is predicted to be cross-onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (21 Jul)	-	-
Afternoon (21 Jul)	3.5ft (1.0m)	10s
Evening (21 Jul)	3ft (0.9m)	10s

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

	Short Range Forecast Mostly dry. Warm (max 29°C on Tue afternoon, min 24°C on Thu night). Wind will be generally light.
	Tue 21				Wednesday 22								Thursday 23
	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	1	0	0	0	0	0	1	1	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 9	E 9	E 9	E 9
Wave Graph
kJ	218	210	202	164	164	164	164	164	164	161	127	125	125	94	92	90	85	60	60	60
Wind (km/h)	S	S	SSW	SW	SW	SSW	SW	SSE	S	S	SSW	SSW	SW	WSW	NNE	ENE	ENE	ENE	ENE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross	cross	cross	cross	glassy	cross-on	cross-on	cross-on	cross	cross	glassy	cross-off	cross	cross-on	cross	cross	cross
High Tide				8:29PM1.31m					10:20AM0.95m			8:59PM1.31m						1:18PM0.95m
Low Tide		2:11PM0.70m					3:48AM0.55m			2:33PM0.83m					5:07AM0.51m			2:46PM0.95m


	—	—	—	—	—	4:35	—	—	—	—	—	—	—	4:37	—	—	—	—	—	—
	—	—	6:50	—	—	—	—	—	—	—	6:49	—	—	—	—	—	—	—	6:47	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	30	29	28	28	27	26	26	28	29	29	27	27	27	26	25	26	28	28	27	26
Feels °C	33	31	30	31	31	30	30	34	33	32	29	30	31	31	29	29	31	31	29	29
Swell 1 Height (m) Direction Period (s)	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 10	E 9	E 9	E 9	E 9
kJ	218	210	202	164	164	164	164	164	164	161	127	125	125	94	92	90	85	60	60	60
Swell 2 Height (m) Direction Period (s)	SSE 8	SSE 8	ESE 11	SE 8	S 4	S 4	S 4	S 4	S 4	SE 8	SE 11	SE 11	SE 11	S 5	S 5	SSE 5	S 5	S 5	S 5	SE 10
kJ	6	12	12	2	10	6	3	3	4	2	5	5	5	7	7	8	4	4	4	16
Swell 3 Height (m) Direction Period (s)	SE 12	SE 11	SE 11	ESE 11	SE 8	SE 8	SE 8	SE 8	SE 8	E 21	—	E 21	SE 20	SE 11	SSE 10	SSE 10	SE 10	SE 10	SE 10	S 5
kJ	21	20	19	12	2	2	2	2	2	9	—	8	15	4	10	10	16	16	16	4
Wind waves Height (m) Direction Period (s)	S 4	S 4	S 4	S 5	SSW 4	SSW 4	SSW 4	SW 5	SSW 5	S 5	S 5	S 5	S 5	SSW 5	—	—	—	ENE 2	NE 3	NE 3
kJ	2	10	25	20	23	10	11	23	19	7	24	16	10	34	—	—	—	1	2	5
Nearest Offshore or Glassy	Shida Chiba	Ko-Chan (Hedo Point) Okinawa	Osaki Point Shikoku	Torami Chiba	Torami Chiba	Torami Chiba	Katagai Chiba	Choshi Chiba	Osaki Point Shikoku	Yona Bay Okinawa	Aoshima Kyu Shu	Torami Chiba	Torami Chiba	Choshi Chiba	Choshi Chiba	Onjuku Chiba	Kurihama Kanagawa	Mera Chiba	Onjuku Chiba	Onjuku Chiba
Rating (10 max)	2	1	1	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	56	1543	656	52	52	52	37	0	656	1556	965	52	52	0	0	71	115	125	71	71
Best forecast wave conditions in Chiba	Shida			Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Big Ben	Tsurigasaki Surfing Beach (Tokyo 2020)				Torami	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Amatu	Mera	Mera	Mera	Mera	Mera
Rating (10 max)	2			2	2	2	2	2				1	1	1	2	1	1	1	1	1
Best forecast wave conditions in Japan	Shida Chiba	Kudaka Okinawa	Kudaka Okinawa	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Big Ben Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Kudaka Okinawa	Kudaka Okinawa	Castles Okinawa	Suruga Bay Shizuoka	Susuki Shizuoka	Susuki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Niijima - Habushiura Izu Islands	Niijima - Habushiura Izu Islands	Susuki Shizuoka	Omaezaki Shizuoka
Rating (10 max)	2	1	1	2	2	2	2	2	1	1	1	1	1	1	2	1	1	1	1	1
Header Global	Papatowai New Zealand	Papatowai New Zealand	Asu Indonesia	Cape St Martin South Africa	Chameau Mauritius	Sea Vista South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Papa Tangaroa Chile	Viri Inga O Tuki Chile	Cathedral Rock Australia	Cobblestones Australia	Boulders Samoa	Cyclops Australia	Brak River South Africa	Benkunqut Indonesia
Rating (10 max)	5	5	4	4	4	5	5	5	6	6	5	5	8	7	9	5	4	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 (21 Jul):

Short Range Forecast

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