Amatu 48 hour detailed Surf Forecast

Lat Long: 35.12° N 140.19° E

Issued: 8 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 ESE swell.

The current surf forecast for Amatu at 2PM is: 1.9m 16s primary swell from a East-southeast direction and 1.0m 9s secondary swell from a East direction (forecast issued at 08:00am 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 Sat night). Wind will be generally light.
	Friday 9						Saturday 10								Sunday 11
	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)	4	4	2	2	4	3	4	4	4	3	3	3	3	3	3	3	4	3	3	3	!	4
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 16	E 17	E 16	E 16	ESE 16	ESE 15	ESE 14	ESE 14	ESE 13	ESE 13	ESE 12	ESE 12	ESE 12	ESE 11	ESE 11	E 11	E 10	E 10	E 11	E 11	E 11	E 10
Wave Graph
kJ	1371	1484	1533	2062	1842	1613	1752	1266	1267	1674	1788	1807	1747	1665	1752	1208	902	989	1603	1704	1908	1442
Wind (km/h)	NE	NE	ENE	ENE	ENE	ENE	NE	NE	NNE	NNE	NE	NE	NE	NNE	NNE	N	N	NNE	NE	NE	NE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross	cross	cross-off	cross	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-off	cross-off
High Tide	3:19AM1.50m				3:41PM1.52m				4:05AM1.54m				4:04PM1.56m				4:47AM1.55m				4:25PM1.58m
Low Tide			9:30AM0.47m				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	20	21	22	22	21	20	20	20	19	21	22	22	21	20	19	18	18	20	23	23	20	20
Feels °C	19	19	19	20	20	18	19	19	18	19	19	19	20	19	18	17	17	18	21	21	18	19
Swell 1 Height (m) Direction Period (s)	E 16	E 17	E 16	E 16	ESE 16	ESE 15	ESE 14	ESE 14	ESE 13	ESE 13	ESE 12	ESE 12	ESE 12	ESE 11	ESE 11	E 10	E 10	E 10	E 11	E 11	E 11	E 10
kJ	1371	1484	1533	2062	1842	1613	1752	1266	1267	1674	1788	1807	1747	1665	1752	955	902	989	1603	1704	1423	1230
Swell 2 Height (m) Direction Period (s)	ESE 9	E 9	E 9	—	NE 10	—	SE 18	NE 9	E 7	—	—	—	—	E 16	—	SE 12	SE 12	SE 11	SE 19	SE 18	SE 17	SE 17
kJ	188	199	158	—	4	—	80	14	109	—	—	—	—	5	—	683	558	331	56	82	270	423
Swell 3 Height (m) Direction Period (s)	NE 9	NE 9	NE 9	—	—	—	NE 9	NE 9	—	—	—	—	—	—	—	—	—	SE 16	—	—	E 15	SE 15
kJ	103	78	51	—	—	—	14	14	—	—	—	—	—	—	—	—	—	10	—	—	4	171
Wind waves Height (m) Direction Period (s)	—	—	NE 9	NE 10	E 5	E 5	—	E 5	NE 9	NE 9	NE 9	NE 9	—	—	—	E 11	NNE 5	—	NNE 5	—	E 11	E 10
kJ	—	—	81	74	23	30	—	37	3	3	3	3	—	—	—	1208	67	—	93	—	1908	1442
Nearest Offshore or Glassy	Amatu Chiba	Amatu Chiba	Uchiboso Chiba	Uchiboso Chiba	Amatu Chiba	Uchiboso Chiba	Amatu Chiba	Amatu Chiba	Amatu Chiba	Uchiboso Chiba	Mera Chiba	Uchiboso Chiba	Uchiboso Chiba	Onjuku Chiba	Onjuku Chiba	Onjuku Chiba	Amatu Chiba	Onjuku Chiba	Mera Chiba	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba
Rating (10 max)	4	4	2	2	4	1	4	4	4	1	4	2	2	4	5	4	4	4	4	2	2	2
Distance (km)	0	0	35	35	0	35	0	0	0	35	40	35	35	16	16	16	0	16	40	35	35	35
Best forecast wave conditions in Chiba	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Mera	Onjuku	Onjuku	Kuminatu	Onjuku	Mera	Mera	Mera	Mera
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	5	4	4	4	4	4	4	4
Best forecast wave conditions in Japan	Mera Chiba	Mera Chiba	Omaezaki Shizuoka	Mera Chiba	Mera Chiba	Niyodo Rivermouth Shikoku	Omaezaki Shizuoka	Mera Chiba	Niyodo Rivermouth Shikoku	Mera Chiba	Omaezaki Shizuoka	Mera Chiba	Omaezaki Shizuoka	Omaezaki Shizuoka	Onjuku Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	5	4	4	4	4	4	4	4
Header Global	Outside Corner Indonesia	Dolphin Point South Africa	Dolphin Point South Africa	Dolphin Point South Africa	Ahijedero Mexico	Ahijedero Mexico	Hullets Reef South Africa	Boneyards South Africa	Boneyards South Africa	Tahai Chile	Pascuales Mexico	Pascuales Mexico	Asu Indonesia	Pascuales Mexico	Daly Heads Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Luna Park Australia	Easter Reef Australia	Anglet - Corsaires France
Rating (10 max)	5	5	5	5	4	4	5	5	5	5	5	5	4	7	5	6	7	9	9	9	9	4

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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