Ohara Surf Forecast

/ Chiba (19 surf breaks) /

Japan (129 surf breaks) / Lat Long: (35.25° N 140.40° E)

Surf Forecasts

Ohara surfForecast / Chiba / Japan

48hr Weather and Surf, issued 8 pm Monday 18 Aug 2025 JST

Forecast update in hr min s Forecast update imminent

Ohara surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Ohara sea temperature is 26.2° C
(Which is slightly cooler than normal)

How big are the waves at Ohara today?

The current surf forecast for Ohara at 2AM is: 0.3m 12s primary swell from a East direction and 0.3m 8s secondary swell from a East-southeast direction (forecast issued at 08:00pm August 18). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (19 Aug)	1ft (0.3m)	12s
Afternoon (19 Aug)	1ft (0.3m)	14s
Evening (19 Aug)	1ft (0.3m)	14s

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

Hourly 12 Days

Chiba Surf

Print Surf Table

Updates in hr min s Forecast update imminent

	Mon 18		Tuesday 19								Wednesday 20								Thursday 21
	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM
Rating (10 max)	1	1	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	2	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	E	E	E	E	SE	SE	SE	SE	SE	ESE	E	SE	ESE	ESE	E	E	SE	SE	SE	SSW	SSW	SSW
Period(s) (?)	12	11	13	12	12	12	14	14	14	14	14	11	11	13	10	10	10	10	13	13	13	6	7	7
Wave Graph (?)
Energy (?)	70	78	65	59	58	57	72	71	66	54	65	80	76	68	70	70	69	69	49	47	43	87	255	123
Wind (km/h)	SSW	SW	SW	SW	SW	SW	SSW	SSW	SSW	SW	SW	SW	SW	SW	SSW	SSW	SSW	SSW	SW	SW	SW	SW	SSW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	cross- off
High Tide / height (m)			9:55PM 1.30						4:14PM 1.22		11:56PM 1.28						4:20PM 1.27			1:32AM 1.32
Low Tide / height (m)						7:17AM 0.28				7:30PM 1.18				8:25AM 0.20				8:47PM 1.09					9:15AM 0.14

	Mon 18		Tuesday 19								Wednesday 20								Thursday 21
Sunrise	-	-	-	-	5:00	-	-	-	-	-	-	-	5:01	-	-	-	-	-	-	-	5:01	-	-	-
Sunset	6:23	-	-	-	-	-	-	-	6:22	-	-	-	-	-	-	-	6:22	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	28	27	26	26	25	28	30	28	27	27	26	26	26	28	29	28	27	26	26	26	25	28	29	28
Feels °C (?)	31	30	29	29	28	31	30	28	28	28	27	27	27	29	29	28	28	27	27	28	28	31	30	29

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Chiba

Wind Update Continuing clean conditions at Ohara (light winds from the SW at Katsuura 14 km from Ohara). 0.7m 4s local chop from the SSW with a 0.5m 13s groundswell from the E and a 0.3m 9s swell from the ESE as well as a 0.3m 11s groundswell from the SE. 4 swells combining to make bigger set waves.
57 minutes ago Ohara

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Actual: 57 min ago

6 km/h

Clean

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