Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 8 pm 17 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):

Evening surf: Evening surf (18 Jul, local time) - 2.5ft (0.8m), 8s period with ESE swell.

The current surf forecast for Choshi at 12AM is: 0.8m 9s primary swell from a East direction and 0.1m 8s secondary swell from a Southeast direction, 0.4m 4s secondary swell from a South direction (forecast issued at 08:00pm July 17). The wind direction is predicted to be onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (18 Jul)	-	-
Afternoon (18 Jul)	-	-
Evening (18 Jul)	2.5ft (0.8m)	8s

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 Fri night). Wind will be generally light.
	Fri 17		Saturday 18								Sunday 19
	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	1	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 8	ESE 8	E 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	ESE 10	ESE 9	ESE 9	ESE 9	E 9	E 9	E 9	E 9
Wave Graph
kJ	120	94	94	134	140	143	135	138	150	154	154	181	177	177	199	133	103	130
Wind (km/h)	SE	SE	SSE	SE	SE	SE	SSE	SSE	SSE	S	S	SSW	SSW	S	S	S	S	SSW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	on	on	on	on	on	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross	cross-on	cross-on	cross-on	cross-on	cross-on
High Tide		6:57PM1.28m			5:51AM1.39m					7:20PM1.28m				6:41AM1.29m				7:42PM1.29m
Low Tide				00:13AM0.78m				12:44PM0.23m				00:58AM0.71m				1:17PM0.38m


	—	—	—	4:33	—	—	—	—	—	—	—	4:33	—	—	—	—	—	—
	6:52	—	—	—	—	—	—	—	6:51	—	—	—	—	—	—	—	6:51	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	26	26	25	25	25	26	26	26	26	25	25	25	25	26	27	27	26	26
Feels °C	28	28	27	28	27	28	28	28	28	27	27	28	28	28	28	29	27	28
Swell 1 Height (m) Direction Period (s)	ESE 8	ESE 8	E 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	ESE 10	ESE 9	ESE 9	ESE 9	E 9	E 9	E 9	E 9
kJ	120	94	94	134	140	143	135	138	150	154	154	181	177	177	196	133	103	130
Swell 2 Height (m) Direction Period (s)	S 8	S 8	SE 8	E 14	E 14	SE 14	SSE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	S 8	S 8	SE 8	SSE 8	SE 8
kJ	1	1	3	4	4	7	7	11	11	10	10	31	31	5	5	29	23	28
Swell 3 Height (m) Direction Period (s)	SSW 8	SSW 8	E 14	SSW 4	SSW 8	SW 8	S 9	SSW 7	SE 12	SW 7	S 9	S 8	S 8	S 10	SSE 10	—	SE 12	S 8
kJ	6	6	4	3	6	2	2	5	6	2	6	6	5	2	10	—	6	11
Wind waves Height (m) Direction Period (s)	S 4	SSE 4	S 4	—	—	—	SSE 8	SSE 8	SSE 8	SSE 8	—	—	SSE 4	SSE 8	ESE 9	SSE 4	SSE 4	S 4
kJ	9	6	6	—	—	—	47	45	45	43	—	—	10	71	199	15	21	12
Nearest Offshore or Glassy	Omaezaki Shizuoka	Shida Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Torami Chiba	Torami Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Shida Chiba	Shida Chiba	Shida Chiba	Torami Chiba
Rating (10 max)	1	1	1	1	1	1	1	2	2	2	1	2	2	2	2	2	1	2
Distance (km)	266	56	56	56	56	56	56	56	56	56	55	52	52	55	56	56	56	52
Best forecast wave conditions in Chiba		Shida	Ohara	Ohara	Mera	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)	Ohara	Ohara	Ohara	Tsurigasaki Surfing Beach (Tokyo 2020)
Rating (10 max)		1	1	1	1	1	1	2	2	2	1	2	2	2	2	2	1	2
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Keta Reef Oshima Izu Islands	Ohara Chiba	Ohara Chiba	Ohara Chiba	Niyodo Rivermouth Shikoku	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Niijima - Habushiura Izu Islands	Niijima - Habushiura Izu Islands	Susuki Shizuoka	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba
Rating (10 max)	1	1	1	1	1	1	1	2	2	2	1	2	2	2	2	2	1	2
Header Global	Easter Reef Australia	Dunedin - Kuri Bush New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	6	7	6	6	9	9	9	8	7	6	6	9	6	7	7	7	7

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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