Amatu 48 hour detailed Surf Forecast

Lat Long: 35.12° N 140.19° E

Issued: 2 am 09 Oct 2026 (local time)

Forecast update in hr min

Today's Amatu sea temperature is

25.3°C

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

Surf Forecasts:

How big are the waves at Amatu today (09 Oct):

Morning surf: Morning surf (09 Oct, local time) - 5ft (1.6m), 17s period with E swell.
Afternoon surf: Afternoon surf (09 Oct, local time) - 6.5ft (2.0m), 16s period with E swell.
Evening surf: Evening surf (09 Oct, local time) - 6.5ft (2.0m), 15s period with E swell.

The current surf forecast for Amatu at 10AM is: 1.6m 17s primary swell from a East direction and 1.1m 9s secondary swell from a East direction, 0.8m 9s secondary swell from a Northeast direction (forecast issued at 02:00am October 09). The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (09 Oct)	5ft (1.6m)	17s
Afternoon (09 Oct)	6.5ft (2.0m)	16s
Evening (09 Oct)	6.5ft (2.0m)	15s

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

	Short Range Forecast Mostly dry. Warm (max 23°C on Sun morning, min 18°C on Fri night). Wind will be generally light.
	Friday 9								Saturday 10								Sunday 11
	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	2	3	4	4	2	2	4	4	4	4	4	3	3	3	3	!	!	!	!	!	!	3	3	4
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 16	E 16	E 16	E 17	E 16	E 16	E 16	E 15	ESE 14	ESE 14	ESE 13	ESE 13	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	E 12	E 12	E 11	E 11
Wave Graph
kJ	620	879	1371	1484	1533	2062	1985	1739	1752	1541	1679	1849	1961	2160	2055	2165	2202	2165	2471	2547	2134	1981	1603	1235
Wind (km/h)	E	ENE	NE	NE	ENE	ENE	NE	NE	NE	NNE	NNE	NNE	NE	NE	NE	NNE	NNE	N	N	NNE	NE	E	ENE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross	cross-off	cross-off	cross	cross	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	cross-off	cross-off	cross	cross	cross-off
High Tide			3:19AM1.50m				3:41PM1.52m				4:05AM1.54m				4:04PM1.56m				4:47AM1.55m				4:25PM1.58m
Low Tide	9:21PM0.62m				9:30AM0.47m				9:53PM0.46m				10:05AM0.53m				10:25PM0.32m				10:35AM0.61m


	—	5:39	—	—	—	—	—	—	—	5:39	—	—	—	—	—	—	—	5:41	—	—	—	—	—	—
	—	—	—	—	—	5:13	—	—	—	—	—	—	—	5:12	—	—	—	—	—	—	—	5:09	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	21	21	20	21	22	22	21	20	20	19	18	20	22	22	20	20	19	19	18	21	23	23	21	21
Feels °C	20	21	19	19	19	20	20	19	19	18	17	18	20	20	19	19	19	19	18	21	23	22	21	22
Swell 1 Height (m) Direction Period (s)	ESE 9	E 16	E 16	E 17	E 16	E 16	E 16	E 15	ESE 14	ESE 14	ESE 13	ESE 13	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	ESE 12	E 12	E 12	E 11	E 11
kJ	248	879	1371	1484	1533	2062	1985	1739	1752	1541	1679	1849	1961	2160	2055	2165	2202	2165	2471	2547	2134	1981	1603	1235
Swell 2 Height (m) Direction Period (s)	E 16	ESE 9	ESE 9	E 9	E 9	—	NE 10	—	SE 18	—	—	—	—	—	—	—	—	—	—	SE 15	SE 15	SE 15	SE 16	SE 15
kJ	620	227	188	199	158	—	4	—	80	—	—	—	—	—	—	—	—	—	—	37	8	76	167	318
Swell 3 Height (m) Direction Period (s)	NE 9	ESE 20	NE 9	SE 11	—	—	—	—	NE 9	—	—	—	—	—	—	—	—	—	—	—	—	SE 18	—	—
kJ	88	317	103	20	—	—	—	—	14	—	—	—	—	—	—	—	—	—	—	—	—	49	—	—
Wind waves Height (m) Direction Period (s)	—	—	—	NE 9	NE 9	NE 10	NE 10	NE 10	—	NE 9	NE 9	NE 9	NE 8	NE 9	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	78	81	74	33	24	—	14	3	3	3	3	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Shida Chiba	Onjuku Chiba	Amatu Chiba	Amatu Chiba	Uchiboso Chiba	Uchiboso Chiba	Amatu Chiba	Amatu Chiba	Amatu Chiba	Amatu Chiba	Amatu Chiba	Uchiboso Chiba	Mera Chiba	Uchiboso Chiba	Uchiboso Chiba	Onjuku Chiba	Onjuku Chiba	Onjuku Chiba	Onjuku Chiba	Onjuku Chiba	Onjuku Chiba	Onjuku Chiba	Onjuku Chiba	Amatu Chiba
Rating (10 max)	3	3	4	4	2	2	4	4	4	4	4	1	4	2	2	4	4	4	4	4	4	4	4	4
Distance (km)	30	16	0	0	35	35	0	0	0	0	0	35	40	35	35	16	16	16	16	16	16	16	16	0
Best forecast wave conditions in Chiba	Shida	Mera	Mera	Mera	Mera	Uchiboso	Mera	Mera	Mera	Mera	Kamogawa	Katagai	Mera	Mera	Mera	Katagai	Mera	Katagai	Katagai	Katagai	Mera	Mera	Mera	Mera
Rating (10 max)	3	4	4	4	4	2	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Mera Chiba	Mera Chiba	Mera Chiba	Omaezaki Shizuoka	Keta Reef Oshima Izu Islands	Mera Chiba	Mera Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka	Niyodo Rivermouth Shikoku	Katagai Chiba	Mera Chiba	Mera Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Akabane Long Beach Shizuoka	Mera Chiba	Susuki Shizuoka	Mera Chiba
Rating (10 max)	3	4	4	4	4	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Keramas Indonesia	Boneyards South Africa	Keusik Luhur Indonesia	Desert Point (Bangko-Bangko) Indonesia	Dolphin Point South Africa	Dolphin Point South Africa	Albatross South Africa	Ahijedero Mexico	Hullets Reef South Africa	Boneyards South Africa	Pascuales Mexico	Tahai Chile	Pascuales Mexico	Pascuales Mexico	Asu Indonesia	Pascuales Mexico	Cyclops Australia	Pascuales Mexico	Easter Reef Australia	Easter Reef Australia	Bullies Australia	Luna Park Australia	Easter Reef Australia	Easter Reef Australia
Rating (10 max)	5	5	5	5	5	5	4	4	5	5	7	5	5	6	4	7	7	8	7	9	5	9	9	8

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

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Amatu 48 hour detailed Surf Forecast

How big are the waves at Amatu today (09 Oct):

Short Range Forecast

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