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

12 Day Weather and Surf, issued 2 pm Friday 24 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 23.7° C
(Which is 1.0°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Shida this week:

The surf forecast for Shida over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Oct 27) at 12AM. The primary swell is predicted to be 1.9m and 9s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Shida in the next 12 days are 2.1m 10s and forecast to arrive on Monday (Oct 27) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 8s period and expected on Tuesday (Oct 28) at 12PM.

Wave Type	Time (JST) & Date	Wave Height & Period
Next good surf (1 star+)	12AM (Mon 27th Oct)	6ft (1.9m) 9s
Best Surf	12AM (Mon 27th Oct)	6ft (1.9m) 9s
Most Powerful	3PM (Mon 27th Oct)	7ft (2.1m) 10s

Table - best surf conditions forecast for Shida over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Moderate rain (total 12mm), heaviest on Fri night. Warm (max 21°C on Mon morning, min 14°C on Fri night). Wind will be generally light.											Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Mon night. Warm (max 20°C on Mon afternoon, min 13°C on Tue night). Winds increasing (light winds from the E on Mon night, fresh winds from the NE by Tue night).
	Fri 24		Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	0	0	0	0	1	1	1	3	1	0	2	0	1	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	E	E	E	ESE	ESE	SE	SE	SE	ESE	ESE	ESE	ENE	ENE	ENE	ENE	E	E	ESE	ESE	ESE
Period(s) (?)	8	9	8	8	8	8	8	9	10	10	10	10	9	9	6	6	8	9	9	9	10
Wave Graph (?)
kJ (?)	368	396	324	301	359	515	497	560	815	922	663	358	564	579	113	110	338	521	301	355	446
Wind (km/h)	NE	NE	NNE	NNW	N	N	NNW	WNW	NNE	ENE	E	NNE	NE	NE	NNE	NNE	NE	NE	NE	NNE	N
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	on	on	on	on	glass	on	cross- on	cross	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	on	on
High Tide / height (m)	4:34PM 1.46		6:29AM 1.34	4:56PM 1.45		7:12AM 1.27	5:20PM 1.42		8:05AM 1.20	5:46PM 1.37		9:23AM 1.16		6:15PM 1.30	11:19AM 1.17		6:54PM 1.21		12:31PM 1.22	8:48PM 1.11
Low Tide / height (m)		11:34PM 0.14	11:30AM 0.91		12:08AM 0.18	11:54AM 0.97		12:46AM 0.24		12:20PM 1.03	1:32AM 0.31		12:54PM 1.09	2:31AM 0.39		2:28PM 1.14		3:48AM 0.45	5:57PM 1.08		5:12AM 0.48

	Fri 24		Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30
Sunrise	-	-	5:52	-	-	5:52	-	-	5:54	-	-	5:54	-	-	5:56	-	-	5:56	-	-	5:56
Sunset	4:52	-	-	4:52	-	-	4:51	-	-	4:50	-	-	4:47	-	-	4:46	-	-	4:45	-	-

Rain (mm)	1	5	2	-	2	2	-	-	-	-	3	-	-	-	-	-	-	-	-	-	-
Temp. °C	17	17	17	16	16	19	18	18	21	20	20	17	18	14	15	15	16	17	17	17	18
Feels °C (?)	13	13	17	14	15	20	18	19	19	17	18	14	16	7	10	9	11	12	13	14	15

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 N at Katsuura). A 2.1m swell from the E
1 hour 32 minutes ago Shida

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22 km away, 1 h 32 min ago

17 km/h

0.0

23.7

Air / Water (°C)

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Shida surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Information about the Shida Surf forecast

The above surf forecast table for Shida provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Shida can be found by selecting the local surf guide option on the grey menu. Our Shida surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Shida) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Shida may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Shida is 9 km (6 miles) from the city of Ohara. If you plan a holiday in Chiba, look for hotels and other accommodation in Ohara. Ohara has rooms for a wide range of budgets as well as car hire and transport links.