Amatu 48 hour detailed Surf Forecast

Lat Long: 35.12° N 140.19° E

Issued: 2 pm 09 Oct 2026 (local time)

Forecast update in hr min

Today's Amatu sea temperature is

25.4°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):

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 ESE swell.

The current surf forecast for Amatu at 11PM is: 2.1m 14s primary swell from a East-southeast direction and 0.4m 18s secondary swell from a Southeast direction, 0.8m 5s secondary swell from a East direction (forecast issued at 02:00pm October 09). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (JST) & Date	Wave Height	Wave Period
Morning (09 Oct)	-	-
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 24°C on Sun morning, min 17°C on Sat night). Wind will be generally light.
	Fri 9				Saturday 10								Sunday 11
	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	2	2	3	4	4	4	3	3	3	3	3	3	3	3	3	3	3	3	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 16	E 16	E 16	ESE 15	ESE 14	ESE 14	ESE 13	ESE 13	ESE 12	ESE 12	ESE 12	ESE 11	ESE 11	E 11	ESE 12	E 10	E 10	ENE 10	E 10	E 10
Wave Graph
kJ	1533	2062	1985	1613	1752	1541	1267	1821	1788	1807	1881	1695	1635	1208	1164	890	1134	788	1076	1055
Wind (km/h)	ENE	ENE	ENE	ENE	NE	NE	NNE	NNE	NE	NE	NE	NNE	NNE	N	NNE	NNE	NNE	NE	NE	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	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	cross-off
High Tide			3:41PM1.52m				4:05AM1.54m				4:04PM1.56m				4:47AM1.55m				4:25PM1.58m
Low Tide	9:30AM0.47m				9:53PM0.46m				10:05AM0.53m				10:25PM0.32m				10:35AM0.61m


	—	—	—	—	—	5:39	—	—	—	—	—	—	—	5:41	—	—	—	—	—	—
	—	5:13	—	—	—	—	—	—	—	5:12	—	—	—	—	—	—	—	5:09	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	22	22	21	20	20	19	19	21	22	22	21	20	19	18	17	20	24	22	20	19
Feels °C	19	20	19	19	19	18	18	19	19	19	20	19	18	17	16	18	21	19	18	17
Swell 1 Height (m) Direction Period (s)	E 16	E 16	E 16	ESE 15	ESE 14	ESE 14	ESE 13	ESE 13	ESE 12	ESE 12	ESE 12	ESE 11	ESE 11	E 10	ESE 12	E 10	E 10	E 10	E 10	E 10
kJ	1533	2062	1985	1613	1752	1541	1267	1821	1788	1807	1881	1695	1635	944	1164	890	771	640	1076	1055
Swell 2 Height (m) Direction Period (s)	E 9	—	NE 10	—	SE 18	NE 9	E 7	—	—	—	—	E 16	—	SE 12	E 11	SE 12	SE 11	ESE 11	SE 17	SE 15
kJ	158	—	4	—	80	14	127	—	—	—	—	5	—	648	434	400	485	637	270	318
Swell 3 Height (m) Direction Period (s)	—	—	—	—	NE 9	—	—	—	—	—	—	—	—	—	—	SE 16	SE 18	SE 17	E 15	E 15
kJ	—	—	—	—	14	—	—	—	—	—	—	—	—	—	—	10	50	98	4	4
Wind waves Height (m) Direction Period (s)	NE 9	NE 10	NE 10	E 5	—	—	NE 9	NE 9	NE 9	NE 9	—	—	—	E 11	N 5	NNE 5	E 10	ENE 10	—	—
kJ	81	90	33	31	—	—	3	3	3	3	—	—	—	1208	15	72	1134	788	—	—
Nearest Offshore or Glassy	Uchiboso Chiba	Uchiboso Chiba	Mera Chiba	Uchiboso Chiba	Amatu Chiba	Amatu Chiba	Amatu Chiba	Uchiboso Chiba	Mera Chiba	Uchiboso Chiba	Uchiboso Chiba	Onjuku Chiba	Onjuku Chiba	Onjuku Chiba	Big Ben Chiba	Onjuku Chiba	Osaki Kanagawa	Mera Chiba	Mera Chiba	Uchiboso Chiba
Rating (10 max)	2	2	4	1	4	4	4	1	4	2	2	4	4	4	4	4	1	4	4	1
Distance (km)	35	35	40	35	0	0	0	35	40	35	35	16	16	16	6	16	60	40	40	35
Best forecast wave conditions in Chiba	Mera	Uchiboso	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Onjuku	Mera	Onjuku		Mera	Mera	Mera
Rating (10 max)	4	2	4	4	4	4	4	4	4	4	4	4	4	4	4	4		4	4	4
Best forecast wave conditions in Japan	Omaezaki Shizuoka	Usami Shizuoka	Mera Chiba	Niyodo Rivermouth Shikoku	Mera Chiba	Omaezaki Shizuoka	Niyodo Rivermouth Shikoku	Mera Chiba	Omaezaki Shizuoka	Mera Chiba	Susuki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Akabane Long Beach Shizuoka	Mera Chiba	Mera Chiba	Mera Chiba
Rating (10 max)	4	2	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	4	4	4
Header Global	Dolphin Point South Africa	Dolphin Point South Africa	Dinner Plates New Zealand	Dinner Plates New Zealand	Hullets Reef South Africa	Boneyards South Africa	Boneyards South Africa	Pascuales Mexico	Pascuales Mexico	Pascuales Mexico	Pascuales Mexico	Asu Indonesia	Daly Heads Australia	Easter Reef Australia	Easter Reef Australia	Luna Park Australia	Luna Park Australia	Luna Park Australia	Easter Reef Australia	Steamer Lane-The Point United States
Rating (10 max)	5	5	5	5	5	5	5	5	8	5	5	4	5	6	8	9	9	9	8	5

Map Icons:
Break
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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