Niyodo Rivermouth 48 hour detailed Surf Forecast

Lat Long: 33.54° N 133.69° E

Issued: 2 am 28 Oct 2026 (local time)

Forecast update in hr min

Today's Niyodo Rivermouth sea temperature is

25.8°C

Niyodo Rivermouth 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 Niyodo Rivermouth today (28 Oct):

Morning surf: Morning surf (28 Oct, local time) - 2ft (0.6m), 9s period with ESE swell.
Afternoon surf: Afternoon surf (28 Oct, local time) - 1.5ft (0.4m), 10s period with ESE swell.
Evening surf: Evening surf (28 Oct, local time) - 1.5ft (0.4m), 10s period with ESE swell.

The current surf forecast for Niyodo Rivermouth at 11AM is: 0.5m 9s primary swell from a East-southeast direction and 0.2m 7s secondary swell from a South-southeast direction (forecast issued at 02:00am October 28). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (28 Oct)	2ft (0.6m)	9s
Afternoon (28 Oct)	1.5ft (0.4m)	10s
Evening (28 Oct)	1.5ft (0.4m)	10s

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

	Short Range Forecast Light rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 19°C on Wed morning, min 13°C on Wed night). Wind will be generally light.
	Wednesday 28								Thursday 29								Friday 30
	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	1	1	1	1	0	0	0	0	1	1	1	1	0	1	1	1	1	1	2	2	2	2	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	SE 15	SE 15	ESE 14	ESE 13	ESE 13	ESE 13	ESE 13	ESE 13	ESE 10	ESE 10	ESE 10
Wave Graph
kJ	84	65	54	55	48	36	38	40	42	42	42	41	58	58	59	81	70	120	118	111	142	175	410	581
Wind (km/h)	NNW	NNW	NNW	NNW	NNW	NNW	N	N	N	NNE	N	SE	SSE	SSE	SE	NNE	NNW	N	NNE	NW	NW	E	NNE	NW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	off	off	off	off	off	off	off	off	off	off	glassy	glassy	cross-on	glassy	glassy	glassy	off	glassy	glassy	glassy	glassy	glassy	cross-off
High Tide				7:15AM1.88m				6:32PM1.87m				8:03AM1.79m				7:06PM1.81m				8:57AM1.67m				7:45PM1.73m
Low Tide		00:35AM-0.01m				12:52PM0.77m				1:16AM-0.00m				1:31PM0.89m				2:01AM0.07m				2:13PM1.01m


	—	—	6:18	—	—	—	—	—	—	—	6:20	—	—	—	—	—	—	—	6:20	—	—	—	—	—
	—	—	—	—	—	5:17	—	—	—	—	—	—	—	5:16	—	—	—	—	—	—	—	5:15	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	2	—	—
Temp °C	17	15	15	17	19	19	16	14	13	13	13	16	18	19	18	18	18	17	17	18	18	18	18	18
Feels °C	14	12	11	12	15	15	13	11	11	11	11	16	18	18	18	19	19	17	17	19	19	20	19	19
Swell 1 Height (m) Direction Period (s)	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	ESE 10	ENE 6	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 13	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	ESE 10
kJ	84	65	54	55	48	36	38	40	15	42	42	41	58	58	59	56	54	120	69	90	121	175	410	581
Swell 2 Height (m) Direction Period (s)	SSE 7	SSE 7	SW 7	—	SSE 7	SSE 7	SSE 7	ENE 6	ESE 10	ENE 6	ENE 4	SE 16	ESE 15	SE 15	SE 15	ESE 14	ESE 13	ESE 10	ESE 13	ESE 13	ESE 13	ESE 12	ESE 16	—
kJ	16	10	2	—	5	5	5	8	42	12	3	10	22	54	54	81	70	72	118	111	142	138	26	—
Swell 3 Height (m) Direction Period (s)	SSW 7	SSW 7	—	SE 8	—	—	NE 4	S 7	E 18	SE 16	SE 16	—	ENE 4	ENE 4	—	—	—	—	E 7	—	E 18	—	—	—
kJ	5	5	—	3	—	—	1	1	6	10	10	—	1	1	—	—	—	—	8	—	6	—	—	—
Wind waves Height (m) Direction Period (s)	NNW 3	NNW 3	NNW 3	NNW 3	NNW 3	—	—	NE 6	NE 6	NE 6	—	E 4	ESE 3	E 4	—	—	—	—	—	—	—	—	—	SW 3
kJ	6	7	4	5	2	—	—	58	80	46	—	3	2	3	—	—	—	—	—	—	—	—	—	4
Nearest Offshore or Glassy	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Osaki Point Shikoku	Mera Chiba	Ikumi Beach Shikoku	Ikumi Beach Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Yasuda 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	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	3
Distance (km)	0	0	0	0	0	51	585	55	55	0	0	0	0	29	0	0	0	0	0	0	0	0	0	0
Best forecast wave conditions in Shikoku	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Shishikui Beach		Ikumi Beach	Dead Man's Land	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Takegashima	Niyodo Rivermouth	Kaifu Rivermouth	Kaifu Rivermouth	Nunoshima	Kaifu Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Kaifu Rivermouth	Nunoshima	Niyodo Rivermouth
Rating (10 max)	1	1	1	1	1	1		1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	3
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Katagai Chiba	Kuminatu Chiba	Buma Okinawa	Turtles Okinawa	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Big Ben Chiba	Niyodo Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Nunoshima Shikoku	Kaifu Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Nunoshima Shikoku	Kaiser's (Hachijojima Island) Izu Islands
Rating (10 max)	1	1	1	1	1	1	1	2	2	1	1	1	1	2	1	1	1	1	1	2	2	2	2	3
Header Global	Achadas Da Cruz Portugal	Viri Inga O Tuki Chile	Viri Inga O Tuki Chile	Viri Inga O Tuki Chile	Cavalos de Fao Portugal	The Bowl United Kingdom	Ahijedero Mexico	Nugget Point New Zealand	Dunedin - Bobs Beach New Zealand	Bancoora Australia	Papatowai New Zealand	Achadas Da Cruz Portugal	Afife Portugal	Tahai Chile	Tahai Chile	Luna Park Australia	Easter Reef Australia	Shipstern Bluff Australia	Easter Reef Australia	Easter Reef Australia	Bay of Skaill United Kingdom	Lebu Chile	Lebu Chile	Lebu Chile
Rating (10 max)	4	6	6	7	5	7	4	5	5	5	8	4	4	5	5	5	5	9	5	5	4	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)

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Niyodo Rivermouth 48 hour detailed Surf Forecast

How big are the waves at Niyodo Rivermouth today (28 Oct):

Short Range Forecast

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