Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 2 am 17 Jul 2026 (local time)

Forecast update in hr min

Today's Choshi sea temperature is

23.3° 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 (17 Jul):

Morning surf: Morning surf (17 Jul, local time) - 3ft (0.9m), 9s period with E swell.
Afternoon surf: Afternoon surf (17 Jul, local time) - 3ft (0.9m), 9s period with ESE swell.
Evening surf: Evening surf (17 Jul, local time) - 2.5ft (0.8m), 8s period with E swell.

The current surf forecast for Choshi at 10AM is: 0.9m 9s primary swell from a East direction and 0.2m 10s secondary swell from a South-southeast direction, 0.5m 5s secondary swell from a South direction (forecast issued at 02:00am July 17). The wind direction is predicted to be onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (17 Jul)	3ft (0.9m)	9s
Afternoon (17 Jul)	3ft (0.9m)	9s
Evening (17 Jul)	2.5ft (0.8m)	8s

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

	Short Range Forecast Mostly dry. Warm (max 27°C on Fri morning, min 25°C on Fri night). Wind will be generally light.
	Friday 17								Saturday 18								Sunday 19
	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	0	0	0	0	0	0	0	1	1	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 9	E 9	ESE 9	E 9	ESE 9	ESE 9	E 8	E 8	ESE 8	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	ESE 10	ESE 9	E 9	E 9	E 9	ESE 9	E 9	ESE 9
Wave Graph
kJ	101	96	126	119	144	123	92	90	101	108	113	135	135	138	150	154	193	181	169	169	169	177	165	173
Wind (km/h)	SSE	SSE	SSE	SSE	SSE	SSE	SE	SE	SSE	SSE	SE	SE	SSE	SSE	SSE	SSE	SSE	S	S	S	SSE	S	S	S
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross-on	on	on	on	on	on	on	on	on	on	cross-on	on	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on
High Tide			5:01AM1.46m					6:57PM1.28m			5:51AM1.39m					7:20PM1.28m				6:41AM1.29m				7:42PM1.29m
Low Tide	11:29PM0.87m					12:09PM0.09m				00:13AM0.78m				12:44PM0.23m				00:58AM0.71m				1:17PM0.38m


	—	4:33	—	—	—	—	—	—	—	4:33	—	—	—	—	—	—	—	4:33	—	—	—	—	—	—
	—	—	—	—	—	—	6:52	—	—	—	—	—	—	—	6:51	—	—	—	—	—	—	—	6:51	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	26	26	26	27	27	27	26	26	25	26	26	26	26	26	26	25	25	25	25	26	26	26	26	25
Feels °C	28	28	28	29	29	29	28	29	28	29	29	28	28	28	28	27	27	28	28	28	27	27	28	27
Swell 1 Height (m) Direction Period (s)	ESE 9	E 9	ESE 9	E 9	SSE 10	ESE 9	E 8	E 8	ESE 8	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	ESE 10	ESE 9	E 9	E 9	E 9	ESE 9	E 9	ESE 9
kJ	101	96	126	119	9	123	92	90	101	108	113	135	135	138	150	154	193	181	169	169	169	177	165	173
Swell 2 Height (m) Direction Period (s)	S 8	E 15	E 15	SSE 10	—	E 15	S 8	S 8	SE 10	E 14	E 14	SE 14	SSE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SSE 8	SSE 8	SSE 8	SSE 8	S 8	S 8
kJ	1	4	4	9	—	4	1	1	4	4	4	7	7	11	11	10	30	31	42	43	26	41	1	11
Swell 3 Height (m) Direction Period (s)	SSW 8	SSW 8	S 8	SE 15	E 15	SSW 8	SSW 8	SSW 8	E 14	SSW 8	SSW 8	SW 8	S 9	SSW 7	S 9	S 9	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 10
kJ	7	6	1	8	4	6	6	6	4	6	6	2	2	5	6	6	6	6	5	5	5	10	11	8
Wind waves Height (m) Direction Period (s)	SSE 5	SSE 5	S 5	S 5	ESE 9	S 4	SSE 4	SSE 4	SSE 4	—	—	—	—	—	—	—	—	—	—	—	—	—	S 3	SSE 8
kJ	17	17	15	11	144	9	10	6	5	—	—	—	—	—	—	—	—	—	—	—	—	—	1	33
Nearest Offshore or Glassy	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Shida Chiba	Shida Chiba	Ohara Chiba	Golfcourse Kyu Shu	Shida Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Katagai Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Shida Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Torami Chiba
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2
Distance (km)	55	55	56	56	62	963	56	56	56	56	37	56	56	56	56	56	56	55	55	55	56	55	55	52
Best forecast wave conditions in Chiba	Kamogawa	Tsurigasaki Surfing Beach (Tokyo 2020)	Ohara	Ohara	Ohara		Ohara	Ohara	Ohara	Mera	Mera	Ohara	Ohara	Ohara	Ohara	Ohara	Ohara	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Ohara	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)
Rating (10 max)	2	1	1	1	1		1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2
Best forecast wave conditions in Japan	Niijima - Habushiura Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Omaezaki Shizuoka	Kojima Kyu Shu	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kudaka Okinawa	Rocky Point Okinawa	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Ohara Chiba	Ohara Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Ohara Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba
Rating (10 max)	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	2
Header Global	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Kleinemonde South Africa	Otago Peninsula - Allans Beach New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Dunedin - Cob Cottage New Zealand	Kaka Point New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	5	6	6	6	5	5	6	7	7	6	9	9	9	8	8	6	6	6	6	6	6	6	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 (17 Jul):

Short Range Forecast

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