Amatu Surf Forecast

/ Chiba (19 surf breaks) /

Japan (129 surf breaks) / Lat Long: (35.12° N 140.19° E)

Surf Forecasts:

Amatu surfForecast / Chiba / Japan

48hr Weather and Surf, issued 2 pm Sunday 09 Nov 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Amatu sea temperature is 21.4° C
(Which is normal for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 5PM is: 1.9m 7s primary swell from a South-southeast direction and 0.4m 10s secondary swell from a East-northeast direction, 0.3m 13s secondary swell from a South direction (forecast issued at 02:00pm November 09). The wind direction is predicted to be cross-onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (09 Nov)	-	-
Afternoon (09 Nov)	5ft (1.6m)	7s
Evening (09 Nov)	8ft (2.5m)	7s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sunday 09				Monday 10								Tuesday 11								Wednesday 12
	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)	2	2	0	0	4	3	2	2	2	2	0	1	2	1	1	0	2	1	2	2	2	1	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSE	SSE	SSE	S	SW	SSE	SSE	SSE	SW	SW	SW	SW	NE	NE	NE	S	S	S	SSW	S	S	SSW	S	SSW
Period(s) (?)	6	7	7	7	8	8	8	8	8	8	8	8	8	8	8	10	12	10	12	12	11	13	13	13
Wave Graph (?)
kJ (?)	145	237	335	675	817	428	314	206	244	250	153	80	163	54	41	100	134	71	160	171	127	253	345	235
Wind (km/h)	WNW	S	S	SSW	NW	W	NE	NNE	NNW	N	NNE	NNE	N	NNE	NNE	NNE	NNE	NE	NE	NE	N	N	NNE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	cross- on	cross- on	cross- on	cross- off	cross- off	glass	cross- off	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
High Tide / height (m)			5:47PM 1.58					8:52AM 1.32				6:25PM 1.49					9:59AM 1.26			7:10PM 1.36
Low Tide / height (m)		12:24PM 1.07				1:18AM 0.04				1:03PM 1.10				2:11AM 0.20				1:58PM 1.12					3:12AM 0.36

	Sunday 09				Monday 10								Tuesday 11								Wednesday 12
Sunrise	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:09
Sunset	-	4:37	-	-	-	-	-	-	-	4:37	-	-	-	-	-	-	-	4:36	-	-	-	-	-	-

Rain (mm)	1	-	2	15	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	14	16	17	18	15	15	16	17	18	19	15	13	13	12	12	12	13	13	13	13	13	13	11	12
Feels °C (?)	14	16	16	17	13	14	16	15	17	16	9	8	9	8	8	7	9	9	10	10	10	8	6	7

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

FREE! Surf-Forecast.com widget for your website

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