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 8 am Sunday 14 Sep 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 27.4° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Shida today?

The current surf forecast for Shida at 2PM is: 1.3m 6s primary swell from a South-southwest direction and 0.3m 10s secondary swell from a Southeast direction, 0.3m 10s secondary swell from a East-southeast direction (forecast issued at 08:00am September 14). The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (14 Sep)	5ft (1.5m)	7s
Afternoon (14 Sep)	4.5ft (1.3m)	6s
Evening (14 Sep)	4.5ft (1.4m)	7s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sunday 14						Monday 15								Tuesday 16								Wed 17
	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	6 PM	9 PM	0 AM	3 AM
Rating (10 max)	0	0	0	0	1	2	1	0	0	0	0	0	0	0	1	0	0	0	0	1	1	1	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSW	SSW	SSW	SSW	SSW	SW	SW	SW	SSW	SE	SE	SE	SE	ESE	ENE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE
Period(s) (?)	6	7	7	6	6	7	7	7	6	9	9	9	10	10	6	9	9	9	9	9	9	9	9	9
Wave Graph (?)
kJ (?)	196	199	134	126	104	163	127	171	39	41	41	41	44	60	58	55	53	53	53	52	52	52	50	50
Wind (km/h)	SW	WSW	SW	SW	SW	W	N	NE	NNE	NNE	NE	NE	NE	NE	NE	NNE	NNE	NE	ENE	ESE	SE	SSE	SSW	SW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	glass	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	glass	on	cross- on	cross- on	cross	cross- off	cross- off	off	cross- off	cross- off
High Tide / height (m)			9:51AM 1.10			7:14PM 1.43								7:48PM 1.35							3:42PM 1.22		9:14PM 1.25
Low Tide / height (m)				1:01PM 1.03					3:35AM 0.33								5:15AM 0.37				5:35PM 1.22

	Sunday 14						Monday 15								Tuesday 16								Wed 17
Sunrise	5:18	-	-	-	-	-	-	-	5:20	-	-	-	-	-	-	-	5:20	-	-	-	-	-	-	-
Sunset	-	-	-	5:47	-	-	-	-	-	-	-	5:45	-	-	-	-	-	-	-	5:45	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	27	28	29	30	28	28	27	26	25	27	28	27	26	26	26	26	26	26	27	28	27	27	26	26
Feels °C (?)	26	29	31	33	32	34	32	28	26	29	30	29	29	29	31	30	30	29	30	31	31	31	30	30

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 The wind is still cross-off at Shida (moderate winds from the SSW at Katsuura 22 km from Shida). 2.1m 7s swell from the SSW with a 0.6m 9s swell from the E. 2 swells combining so expect closeout sets.
2 hours 7 minutes ago Shida

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22 km away, 2 h 7 min ago

28 km/h

SSW

0.0

27.4

Air / Water (°C)

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