Shida Surf Forecast

/ Chiba (19 surf breaks) /

Japan (129 surf breaks) / Lat Long: (35.33° N 140.40° E)

Surf Forecasts:

Shida surfForecast / Chiba / Japan

48hr Weather and Surf, issued 2 pm Tuesday 14 Oct 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Shida sea temperature is 23.8° C
(Which is normal for this time of year)

How big are the waves at Shida today?

The current surf forecast for Shida at 3PM is: 1.7m 8s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a South-southeast direction, 0.2m 7s secondary swell from a South-southwest direction (forecast issued at 02:00pm October 14). The wind direction is predicted to be onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (14 Oct)	-	-
Afternoon (14 Oct)	5.5ft (1.7m)	8s
Evening (14 Oct)	6ft (1.8m)	8s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 14				Wednesday 15								Thursday 16								Friday 17
	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	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	2	1	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	NE	ENE	ENE	NE	NE	ENE	NE	ENE	ENE	ENE	ENE	E	E	E	E	E	E	E	E	E	E	E	NE	NE
Period(s) (?)	8	8	8	8	9	9	9	9	8	8	8	9	9	9	9	10	10	10	10	10	9	8	7	8
Wave Graph (?)
kJ (?)	419	374	365	439	482	548	727	513	547	489	416	452	408	364	320	301	266	228	188	146	160	185	341	653
Wind (km/h)	NNE	NNE	NNE	N	N	N	N	NNE	NE	NE	NNE	NE	NE	NE	NNE	SSW	SSW	SW	SW	WSW	NNW	NNE	NNE	NE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	on	cross- on	on	on	on	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	glass	cross- off	cross- off	cross- off	cross- off	on	cross- on	cross- on	cross- on
High Tide / height (m)				7:18PM 1.26						1:43PM 1.22			9:51PM 1.13					2:02PM 1.27				12:28AM 1.14
Low Tide / height (m)							4:46AM 0.42					6:51PM 1.10				6:17AM 0.46				7:44PM 0.94				7:21AM 0.47

	Tuesday 14				Wednesday 15								Thursday 16								Friday 17
Sunrise	-	-	-	-	-	-	5:43	-	-	-	-	-	-	-	5:43	-	-	-	-	-	-	-	5:45	-
Sunset	-	5:05	-	-	-	-	-	-	-	5:04	-	-	-	-	-	-	-	5:02	-	-	-	-	-	-

Rain (mm)	-	-	-	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	-
Temp. °C	20	20	20	18	18	18	18	20	20	21	20	20	21	21	20	21	24	24	24	24	22	21	20	20
Feels °C (?)	17	17	18	14	15	15	15	17	17	17	17	17	20	21	20	23	24	23	22	23	20	17	14	14

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 Wind reports 22 km away suggest it is still onshore at Shida (light winds from the NNE at Katsuura). 0.4m 8s swell from the SE with a 0.3m 7s swell from the SSE. 2 swells combining to make bigger set waves.
1 hour 15 minutes ago Shida

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22 km away, 1 h 15 min ago

13 km/h

NNE

0.0

23.8

Air / Water (°C)

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