Amatu 48 hour detailed Surf Forecast

Lat Long: 35.12° N 140.19° E

Issued: 2 am 14 Jul 2026 (local time)

Forecast update in hr min

Today's Amatu sea temperature is

24.8° 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 (14 Jul):

Morning surf: Morning surf (14 Jul, local time) - 3ft (0.9m), 11s period with SSW swell.
Afternoon surf: Afternoon surf (14 Jul, local time) - 2.5ft (0.8m), 11s period with SSW swell.
Evening surf: Evening surf (14 Jul, local time) - 2.5ft (0.7m), 10s period with SSW swell.

The current surf forecast for Amatu at 9AM is: 0.9m 11s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a East-southeast direction (forecast issued at 02:00am July 14). The wind direction is predicted to be onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (14 Jul)	3ft (0.9m)	11s
Afternoon (14 Jul)	2.5ft (0.8m)	11s
Evening (14 Jul)	2.5ft (0.7m)	10s

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

	Short Range Forecast Light rain (total 2mm), mostly falling on Thu afternoon. Warm (max 29°C on Tue morning, min 25°C on Tue night). Wind will be generally light.
	Tuesday 14								Wednesday 15								Thursday 16
	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	2	2	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 12	SSW 11	SW 12	SSW 11	SSW 11	SSW 11	SSW 10	SSW 10	SSW 10	SSW 10	SSW 10	SSW 10	SSW 9	E 10	E 9	SSW 9	E 9	E 8	SSW 5	E 8	E 8	E 8	E 8	E 8
Wave Graph
kJ	330	158	132	186	149	143	133	88	88	86	64	61	56	47	62	135	71	89	86	65	66	66	66	89
Wind (km/h)	SE	ESE	SSE	SSE	SSW	SSW	SSW	SSW	SSW	SW	SW	SSW	SSW	SSW	S	SSW	SSW	SSW	SW	SW	SSW	S	SSW	SW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	glassy	glassy	glassy	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross	cross	cross-on	cross-on	cross-on	cross-on
High Tide			3:12AM1.53m				5:55PM1.48m				4:06AM1.58m					6:30PM1.49m			4:59AM1.59m					7:02PM1.48m
Low Tide	10:10PM1.08m				10:33AM-0.12m				10:55PM1.01m				11:20AM-0.11m				11:37PM0.93m					12:03PM-0.03m


	—	4:35	—	—	—	—	—	—	—	4:35	—	—	—	—	—	—	—	4:35	—	—	—	—	—	—
	—	—	—	—	—	—	6:53	—	—	—	—	—	—	—	6:53	—	—	—	—	—	—	—	6:52	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	—
Temp °C	26	25	26	28	29	29	27	26	25	25	26	28	28	28	27	26	26	26	26	28	29	29	27	26
Feels °C	31	29	30	32	32	31	30	29	28	28	30	31	30	30	29	27	27	27	28	31	33	33	31	30
Swell 1 Height (m) Direction Period (s)	SSW 12	SSW 11	SSW 11	SSW 11	SSW 11	SSW 11	SSW 10	SSW 10	SSW 10	SSW 10	SSW 10	SSW 10	SSW 9	E 10	E 9	E 9	E 9	E 8	E 8	E 8	E 8	E 8	E 8	E 8
kJ	330	158	119	186	149	143	133	88	88	86	64	61	56	47	62	80	71	89	86	65	66	66	66	89
Swell 2 Height (m) Direction Period (s)	E 9	SW 12	SW 12	ESE 10	E 10	E 10	E 10	E 10	E 10	E 10	E 9	E 9	ESE 9	SW 9	SW 9	SE 9	SE 9	SE 9	SSE 9	SW 8	SW 8	SE 11	SW 8	SW 8
kJ	26	137	132	32	30	32	32	31	30	48	45	43	29	41	41	13	13	13	8	18	11	29	17	17
Swell 3 Height (m) Direction Period (s)	SE 12	E 10	E 10	SE 12	SE 12	SE 12	SE 10	SE 10	SE 10	SE 10	SE 10	SE 10	ENE 9	ESE 9	SE 9	SE 11	SE 11	SE 11	SE 11	SSE 9	SSE 9	SW 8	SE 11	SE 9
kJ	22	28	30	22	22	22	26	36	26	28	17	17	15	16	13	5	5	5	5	9	8	17	18	14
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	S 3	—	S 3	SSW 3	SSW 3	SSW 3	S 3	SSW 9	S 5	SSW 5	SSW 5	SSW 5	SSW 5	SSW 5	S 5	S 4
kJ	—	—	—	—	—	—	—	—	1	—	2	2	3	3	5	135	54	75	85	62	42	30	22	18
Nearest Offshore or Glassy	Amatu Chiba	Amatu Chiba	Amatu Chiba	Big Ben Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Torami Chiba	Ohara Chiba	Ohara Chiba	Shida Chiba	Shida Chiba	Gomoda Shikoku	Sakawa River Kanagawa	Kamakura Kanagawa	Big Ben Chiba	Ohara Chiba	Ohara Chiba	Shida Chiba	Ohara Chiba
Rating (10 max)	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	0	0	0	6	24	24	24	24	24	24	24	35	24	24	30	30	519	96	62	6	24	24	30	24
Best forecast wave conditions in Chiba	Mera	Chikura	Chikura	Big Ben	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Torami	Shida	Shida	Shida	Shida				Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Katagai
Rating (10 max)	3	3	2	2	1	1	1	1	1	1	1	1	1	1	1	1				1	1	1	1	1
Best forecast wave conditions in Japan	Omaezaki Shizuoka	Chikura Chiba	Omaezaki Shizuoka	Niyodo Rivermouth Shikoku	Keta Reef Oshima Izu Islands	Nunoshima Shikoku	Niyodo Rivermouth Shikoku	Akabane Long Beach Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Niijima - Habushiura Izu Islands	Niijima - Habushiura Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Udo Shrine Kyu Shu	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Susuki Shizuoka	Niijima - Habushiura Izu Islands	Kaifu Rivermouth Shikoku	Niyodo Rivermouth Shikoku
Rating (10 max)	3	3	3	2	1	1	2	2	2	2	2	2	1	1	2	1	1	1	1	1	1	2	1	1
Header Global	Bancoora Australia	Bullies Australia	Buchupureo Chile	Buchupureo Chile	Buchupureo Chile	Puertecillo Chile	Lebu Chile	Cathedral Rock Australia	Fox River New Zealand	Cathedral Rock Australia	Cathedral Rock Australia	Cathedral Rock Australia	Amanzimtoti South Africa	Bancoora Australia	Barrancon Chile	Bancoora Australia	Balnarring Point Australia	Shipstern Bluff Australia	Baboon Point South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Cobblestones Australia	Easter Reef Australia
Rating (10 max)	5	7	8	7	7	6	6	9	6	8	8	7	4	4	4	4	4	9	4	5	5	5	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)

Latest Updates

Ben Mondy

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Amatu 48 hour detailed Surf Forecast

How big are the waves at Amatu today (14 Jul):

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