Niyodo Rivermouth 48 hour detailed Surf Forecast

Lat Long: 33.54° N 133.69° E

Issued: 2 am 28 Jul 2026 (local time)

Forecast update in hr min

Today's Niyodo Rivermouth sea temperature is

29.5° 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 Jul):

Morning surf: Morning surf (28 Jul, local time) - 1.5ft (0.5m), 10s period with SE swell.
Afternoon surf: Afternoon surf (28 Jul, local time) - 2ft (0.6m), 10s period with ESE swell.
Evening surf: Evening surf (28 Jul, local time) - 2ft (0.6m), 10s period with ESE swell.

The current surf forecast for Niyodo Rivermouth at 10AM is: 0.6m 8s primary swell from a South direction and 0.5m 10s secondary swell from a Southeast direction, 0.4m 4s secondary swell from a Southwest direction (forecast issued at 02:00am July 28). The wind direction is predicted to be onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (28 Jul)	1.5ft (0.5m)	10s
Afternoon (28 Jul)	2ft (0.6m)	10s
Evening (28 Jul)	2ft (0.6m)	10s

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

	Short Range Forecast Mostly dry. Warm (max 33°C on Thu morning, min 26°C on Thu night). Wind will be generally light.
	Tuesday 28								Wednesday 29								Thursday 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	0	0	0	1	1	1	1	0	1	1	0	1	1	1	1	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 10	SE 10	SE 14	SE 10	SE 10	ESE 10	ESE 10	ESE 10	SE 10	SE 10	SE 10	SE 10	SE 10	SE 10	SSW 8	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 9	ESE 9
Wave Graph
kJ	52	51	51	50	50	67	67	67	48	48	48	48	48	48	51	38	38	38	37	36	36	35	35	35
Wind (km/h)	N	NNW	N	SSW	S	S	E	NNE	NNW	NNW	N	W	NNW	WNW	W	NNW	N	NNW	N	WSW	S	SE	ESE	N
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	glassy	glassy	glassy	glassy	on	on	cross	off	off	off	off	cross	glassy	glassy	cross	cross-off	off	off	off	glassy	on	cross-on	cross-on	glassy
High Tide			4:35AM1.62m					6:23PM1.66m			5:15AM1.70m					6:49PM1.71m			5:52AM1.76m					7:14PM1.74m
Low Tide	11:15PM1.04m				11:31AM0.23m				11:47PM0.96m					12:04PM0.17m				00:17AM0.88m				12:35PM0.14m


	—	5:13	—	—	—	—	—	—	—	5:13	—	—	—	—	—	—	—	5:15	—	—	—	—	—	—
	—	—	—	—	—	—	7:08	—	—	—	—	—	—	—	7:07	—	—	—	—	—	—	—	7:07	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	28	27	27	30	32	32	31	30	28	28	27	30	31	31	31	29	28	28	27	32	33	32	31	29
Feels °C	33	32	32	35	36	36	35	34	31	31	30	33	35	35	34	33	31	31	29	35	35	36	35	33
Swell 1 Height (m) Direction Period (s)	S 8	S 8	S 8	S 8	S 8	ESE 10	ESE 10	ESE 10	SSW 5	SSW 5	SSW 5	SSW 6	SSW 6	SE 10	SSW 8	SW 5	SW 5	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 9	SW 5
kJ	52	51	51	50	50	67	67	67	42	31	25	20	17	48	51	19	11	38	37	36	36	35	35	10
Swell 2 Height (m) Direction Period (s)	SE 10	SE 10	SE 10	SE 10	SE 10	S 8	S 8	SSW 8	SE 10	SE 10	SE 10	SE 10	SE 10	SSW 8	ESE 10	ESE 10	ESE 10	SW 4	SSW 8	SSW 7	SW 6	S 7	SW 5	ESE 9
kJ	51	51	50	50	50	34	34	22	48	48	48	48	48	19	38	38	38	7	11	21	6	10	6	35
Swell 3 Height (m) Direction Period (s)	SE 14	SE 14	SE 14	SE 13	SE 13	SE 13	SE 13	SE 13	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SE 13	SE 13	SSW 8	SSW 8	SSW 8	SW 4	SE 12	SSW 7	ESE 14	SSW 7	S 7
kJ	29	29	46	28	28	28	27	28	22	22	22	21	21	27	27	12	11	11	3	6	11	20	11	4
Wind waves Height (m) Direction Period (s)	SW 3	SW 3	SW 3	SW 4	SSW 4	SSW 4	SSW 5	SSW 5	SW 5	WNW 3	WNW 3	WNW 3	SW 6	SSW 5	SW 5	SW 5	NW 3	NW 3	WSW 4	—	—	SW 6	WSW 4	—
kJ	2	2	3	4	3	13	39	41	48	4	3	3	24	19	29	26	1	1	3	—	—	9	11	—
Nearest Offshore or Glassy	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Yasuda Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Osaki Point Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Osaki Point Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kisami-Ohama Beach Shizuoka	Unnamed Kyu Shu	Yasuda Rivermouth Shikoku	Yasuda Rivermouth Shikoku
Rating (10 max)	1	1	1	1	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	0	51	51	29	0	0	0	0	51	0	0	51	0	0	0	0	0	497	302	29	29
Best forecast wave conditions in Shikoku	Nunoshima	Nunoshima	Nunoshima	Nunoshima	Takegashima	Ikumi Beach	Nunoshima	Nunoshima	Nunoshima	Nunoshima	Nunoshima	Nunoshima	Nunoshima	Kaifu Rivermouth	Nunoshima	Nunoshima	Nunoshima	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth			Yasuda Rivermouth	Shishikui Beach
Rating (10 max)	1	1	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1			1	1
Best forecast wave conditions in Japan	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Keta Reef Oshima Izu Islands	Ikumi Beach Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Kaifu Rivermouth Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Niijima - Awaii Izu Islands	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba
Rating (10 max)	2	1	2	2	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Header Global	Chameau Mauritius	Chameau Mauritius	Caravan Park/Lamberts Bay South Africa	Gerickes Point South Africa	Cape St Martin South Africa	Cape St Martin South Africa	Punta Palmilla Mexico	Punta Palmilla Mexico	Trial Harbour Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Bullies Australia	Ahijedero Mexico	Point Roadnight Australia	Point Roadnight Australia	Point Roadnight Australia	Beach Road South Africa	Beach Road South Africa	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico
Rating (10 max)	5	5	5	6	5	5	9	6	9	5	5	5	6	4	8	7	5	4	4	4	4	4	4	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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Niyodo Rivermouth 48 hour detailed Surf Forecast

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

Short Range Forecast

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