Amatu 48 hour detailed Surf Forecast

Lat Long: 35.12° N 140.19° E

Issued: 2 am 31 Oct 2026 (local time)

Forecast update in hr min

Today's Amatu sea temperature is

23.6°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 (31 Oct):

Morning surf: Morning surf (31 Oct, local time) - 6ft (1.9m), 13s period with SE swell.
Afternoon surf: Afternoon surf (31 Oct, local time) - 7ft (2.1m), 16s period with SE swell.
Evening surf: Evening surf (31 Oct, local time) - 6ft (1.8m), 15s period with SE swell.

The current surf forecast for Amatu at 9AM is: 1.9m 13s primary swell from a Southeast direction and 1.0m 19s secondary swell from a Southeast direction (forecast issued at 02:00am October 31). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (JST) & Date	Wave Height	Wave Period
Morning (31 Oct)	6ft (1.9m)	13s
Afternoon (31 Oct)	7ft (2.1m)	16s
Evening (31 Oct)	6ft (1.8m)	15s

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

	Short Range Forecast Moderate rain (total 12mm), heaviest on Mon afternoon. Warm (max 21°C on Sat morning, min 14°C on Mon afternoon). Winds increasing (calm on Sat night, fresh winds from the WSW by Sun night).
	Saturday 31								Sunday 1								Monday 2
	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)	1	3	3	4	4	3	3	4	4	5	5	5	4	5	2	1	1	1	1	1	3	3	2	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 8	SE 8	SE 20	SE 13	SE 18	SE 16	SE 16	SE 15	SE 15	SE 15	SSE 19	SE 15	SSE 16	SSE 16	SSE 15	SSE 15	SSE 15	SSE 14	SSE 14	SSE 13	SSE 13	SSE 13	SSE 13	SSE 13
Wave Graph
kJ	408	335	459	1129	2611	2384	1664	1500	1325	1697	1129	1941	3278	3001	2655	2786	2416	1800	1353	1190	998	968	853	721
Wind (km/h)	WSW	W	WSW	WNW	N	ENE	ENE	NE	NNE	NNE	NNE	NE	E	SSE	SSW	SW	SW	WSW	WSW	WSW	W	W	NNE	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross-off	cross	cross-off	cross-off	cross	cross	glassy	cross-off	cross-off	cross-off	cross-off	cross	glassy	cross-on	cross-on	cross	cross	cross	cross	cross-off	cross-off	cross-off	cross-off
High Tide					9:03AM1.31m			6:36PM1.48m					10:23AM1.25m			7:24PM1.37m					11:47AM1.25m			8:56PM1.23m
Low Tide		1:30AM0.09m				1:12PM1.11m				2:28AM0.22m				2:10PM1.15m					3:39AM0.37m				4:18PM1.13m


	—	5:58	—	—	—	—	—	—	—	5:58	—	—	—	—	—	—	—	—	6:00	—	—	—	—	—
	—	—	—	—	—	4:45	—	—	—	—	—	—	—	4:45	—	—	—	—	—	—	—	4:44	—	—
mm	—	6	5	—	—	—	2	1	—	—	—	—	—	—	1	—	—	—	—	—	—	1	5	2
Temp °C	20	18	19	20	21	20	19	19	17	17	16	16	17	19	20	20	19	19	19	21	20	17	14	14
Feels °C	18	19	19	19	20	18	19	19	16	15	14	14	16	19	19	18	15	14	15	17	18	15	11	13
Swell 1 Height (m) Direction Period (s)	SE 8	SE 8	SSE 8	SE 13	SE 18	SE 16	SE 16	SE 15	SE 15	SE 15	SE 13	SE 15	SSE 16	SSE 16	SSE 15	SSE 15	SSE 15	SSE 14	SSE 14	SSE 13	SSE 13	SSE 13	SSE 13	SSE 13
kJ	408	329	354	1129	2611	2384	1664	1500	1325	1697	933	1941	3278	3001	2655	2786	2416	1800	1353	1190	998	968	853	721
Swell 2 Height (m) Direction Period (s)	SE 13	SE 13	SE 13	SE 19	SSW 6	SSE 20	SSE 20	SSE 19	SSE 18	SSE 18	SSE 16	SSE 18	NE 12	E 10	E 10	E 10	E 9	E 9	E 9	E 9	E 9	SW 6	SW 5	SW 6
kJ	208	299	277	708	94	371	790	913	1169	659	926	1347	38	92	90	90	64	63	61	60	57	30	23	39
Swell 3 Height (m) Direction Period (s)	SE 20	SE 20	SE 20	SE 19	NE 11	SSE 20	SW 7	SW 7	SW 8	SSE 21	SSE 19	NE 12	SW 7	NE 12	NE 12	NE 12	NE 12	NE 12	NNE 11	NNE 11	NE 11	E 9	E 9	SE 9
kJ	137	335	459	686	5	360	43	43	35	771	1129	24	21	37	37	22	22	21	13	12	5	42	40	81
Wind waves Height (m) Direction Period (s)	W 3	W 3	WSW 5	WSW 5	—	—	—	—	NE 5	NE 6	NE 7	NE 6	—	—	—	SSW 4	SW 4	SW 4	SW 5	SW 6	SW 6	WSW 5	—	NNE 4
kJ	2	6	68	70	—	—	—	—	23	58	29	44	—	—	—	41	36	32	74	72	52	78	—	10
Nearest Offshore or Glassy	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Amatu Chiba	Big Ben Chiba	Amatu Chiba	Amatu Chiba	Uchiboso Chiba	Big Ben Chiba	Amatu Chiba	Amatu Chiba	Amatu Chiba	Amatu Chiba	Amatu Chiba	Shida Chiba	Amatu Chiba	Ohara Chiba	Uraga Point Kanagawa	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Torami Chiba	Big Ben Chiba	Onjuku Chiba	Amatu Chiba
Rating (10 max)	3	3	4	4	4	3	4	4	4	5	5	5	4	5	4	4	4	4	4	4	3	4	3	3
Distance (km)	30	0	6	0	0	35	6	0	0	0	0	0	30	0	24	43	30	30	30	30	35	6	16	0
Best forecast wave conditions in Chiba	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Chikura	Mera	Mera	Katagai	Katagai	Malibu	Mera	Mera	Mera	Kamogawa	Uchiboso		Katagai	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Katagai	Big Ben	Onjuku	Mera
Rating (10 max)	3	3	4	4	4	4	4	4	4	5	5	5	5	5	4		4	4	4	4	3	4	3	3
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Susuki Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku
Rating (10 max)	3	3	4	4	4	4	4	4	4	5	5	5	5	5	5	4	4	4	4	4	4	4	3	3
Header Global	Nine Mile New Zealand	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Ouano Lefts New Caledonia	St Vincent Left New Caledonia	Achadas Da Cruz Portugal	Niyodo Rivermouth Japan	Afife Portugal	Kaiser's (Hachijojima Island) Japan	Kaiser's (Hachijojima Island) Japan	Kaiser's (Hachijojima Island) Japan	Kaiser's (Hachijojima Island) Japan	Ahijedero Mexico	Ahijedero Mexico	Malaking Gasang (Baler) Philippines	Trial Harbour Australia	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Lincoln City Nelscott Reef United States	Lebu Chile
Rating (10 max)	5	8	7	6	5	5	5	5	4	5	4	5	5	5	5	4	4	4	5	4	4	4	5	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 (31 Oct):

Short Range Forecast

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