Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 8 am 18 Jul 2026 (local time)

Forecast update in hr min

Today's Choshi sea temperature is

24.1° 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 (18 Jul):

Morning surf: Morning surf (18 Jul, local time) - 3ft (0.9m), 9s period with ESE swell.
Afternoon surf: Afternoon surf (18 Jul, local time) - 3ft (0.9m), 9s period with ESE swell.
Evening surf: Evening surf (18 Jul, local time) - 3ft (0.9m), 10s period with ESE swell.

The current surf forecast for Choshi at 11AM is: 0.9m 9s primary swell from a East-southeast direction and 0.2m 8s secondary swell from a South-southeast direction, 0.7m 8s secondary swell from a South-southeast direction (forecast issued at 08:00am July 18). The wind direction is predicted to be onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (18 Jul)	3ft (0.9m)	9s
Afternoon (18 Jul)	3ft (0.9m)	9s
Evening (18 Jul)	3ft (0.9m)	10s

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

	Short Range Forecast Mostly dry. Warm (max 28°C on Mon morning, min 25°C on Sat night). Wind will be generally light.
	Saturday 18						Sunday 19								Monday 20
	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	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	ESE 10	ESE 9	ESE 9	ESE 9	ESE 9	E 9	E 9	E 9	E 9	ESE 9	ESE 9	ESE 9	E 9	E 11	E 11	E 11
Wave Graph
kJ	140	143	143	146	159	163	197	181	177	177	135	106	103	130	103	137	137	123	119	146	220	277
Wind (km/h)	SE	SE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	SSW	SSW	SSW	SW	SSW	S	S	SSW	SSW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	on	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross	cross	cross	cross-on	cross-on	cross-on	cross-on	cross
High Tide	5:51AM1.39m					7:20PM1.28m				6:41AM1.29m				7:42PM1.29m				7:36AM1.17m				8:04PM1.30m
Low Tide				12:44PM0.23m				00:58AM0.71m				1:17PM0.38m				1:48AM0.64m				1:45PM0.55m


	4:33	—	—	—	—	—	—	4:33	—	—	—	—	—	—	—	4:35	—	—	—	—	—	—
	—	—	—	—	6:51	—	—	—	—	—	—	—	6:51	—	—	—	—	—	—	—	6:50	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	25	26	26	26	26	25	25	25	25	26	26	26	26	25	25	25	26	27	28	27	27	27
Feels °C	27	28	28	27	28	27	27	27	27	27	27	27	28	27	27	28	29	30	30	28	28	29
Swell 1 Height (m) Direction Period (s)	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	ESE 10	ESE 9	ESE 9	ESE 9	ESE 9	E 9	E 9	E 9	E 9	ESE 9	ESE 9	ESE 9	E 9	E 11	E 11	E 11
kJ	140	143	143	146	159	163	197	181	177	177	135	106	103	130	103	137	137	123	119	146	220	277
Swell 2 Height (m) Direction Period (s)	E 14	SE 14	SSE 8	SE 8	SE 8	SE 8	SE 8	SE 8	S 8	S 8	S 8	SE 8	SE 8	SE 8	SE 8	S 8	S 7	SSE 9	ENE 12	E 8	SSE 8	SSE 8
kJ	4	7	7	11	11	10	10	31	5	5	5	29	28	28	9	1	1	8	75	29	7	7
Swell 3 Height (m) Direction Period (s)	SSW 8	SW 8	S 9	SE 13	SE 12	S 9	SW 7	S 8	S 10	S 10	SSE 10	S 10	S 8	S 8	S 8	SE 9	S 8	E 13	SE 7	SSE 7	—	SE 7
kJ	6	2	2	7	6	6	2	6	8	2	10	2	10	11	11	3	4	14	13	4	—	2
Wind waves Height (m) Direction Period (s)	—	—	SSE 8	SSE 8	SSE 8	—	SSE 8	SSE 8	SSE 8	SSE 8	SSE 4	SSE 4	SSE 4	S 4	S 4	S 4	SSW 4	SSW 4	S 3	S 4	S 4	S 4
kJ	—	—	62	46	59	—	48	55	55	55	7	15	16	11	7	7	5	5	6	18	28	17
Nearest Offshore or Glassy	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	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Torami Chiba	Torami Chiba	Torami Chiba	Torami Chiba	Torami Chiba	Shida Chiba	Shida Chiba	Kaiser's (Hachijojima Island) Izu Islands	Torami Chiba
Rating (10 max)	1	1	1	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1	2	2
Distance (km)	56	56	56	56	56	55	55	55	55	55	56	56	56	52	52	52	52	52	56	56	307	52
Best forecast wave conditions in Chiba	Ohara	Ohara	Ohara	Ohara	Ohara	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Ohara	Ohara	Ohara	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Ohara	Shida		Torami
Rating (10 max)	1	1	1	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1		2
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	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	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Niijima - Habushiura Izu Islands	Ohara Chiba	Susuki Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Rocky Point Okinawa	Rocky Point Okinawa	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands
Rating (10 max)	1	1	1	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1	2	2
Header Global	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Dunedin - Cob Cottage New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Ning Nong Point and Reef New Zealand	Humenga Point New Zealand	Humenga Point New Zealand	Ning Nong Point and Reef New Zealand	Seconds (White Rock) New Zealand
Rating (10 max)	6	9	9	9	8	7	6	6	6	6	6	6	7	7	7	8	7	6	6	5	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 (18 Jul):

Short Range Forecast

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