Aha Rivermouth 48 hour detailed Surf Forecast

Lat Long: 26.72° N 128.30° E

Issued: 2 am 12 Jul 2026 (local time)

Forecast update in hr min

Today's Aha Rivermouth sea temperature is

28.6° C

Aha Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

Time (JST) & Date	Wave Height	Wave Period
Morning (12 Jul)	-	-
Afternoon (12 Jul)	0.5ft (0.2m)	10s
Evening (12 Jul)	0.5ft (0.2m)	10s

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

	Short Range Forecast Light rain (total 4mm), mostly falling on Sun morning. Warm (max 29°C on Sun morning, min 27°C on Tue night). Winds decreasing (strong winds from the SSE on Sun morning, light winds from the S by Tue night).
	Sunday 12								Monday 13								Tuesday 14
	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)	0	0	0	0	0	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)	SSE 13	SSE 12	S 12	S 12	SSE 11	E 10	E 10	E 10	E 10	E 10	E 10	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	ENE 9	E 9	E 9	E 9
Wave Graph
kJ	0	0	0	0	0	8	7	7	17	16	16	15	16	15	15	15	16	15	15	15	17	15	15	27
Wind (km/h)	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide			4:05AM1.88m					6:04PM1.77m			5:02AM1.97m					6:48PM1.86m			5:53AM2.06m					7:27PM1.93m
Low Tide	10:19PM1.12m				11:11AM0.23m				11:20PM1.07m					12:01PM0.11m				00:10AM1.00m				12:46PM0.04m


	—	5:41	—	—	—	—	—	—	—	5:41	—	—	—	—	—	—	—	5:41	—	—	—	—	—	—
	—	—	—	—	—	—	7:22	—	—	—	—	—	—	—	7:22	—	—	—	—	—	—	—	7:22	—
mm	—	—	2	2	1	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	29	29	28	28	29	29	29	28	28	28	28	28	29	29	29	28	28	28	28	28	29	29	29	28
Feels °C	27	28	27	27	30	30	31	29	29	30	30	29	31	31	32	31	31	31	31	30	32	32	33	31
Swell 1 Height (m) Direction Period (s)	—	SSW 13	SW 12	SW 13	SW 12	W 11	W 10	W 10	W 10	W 10	W 9	W 9	W 10	WSW 10	S 9	S 9	S 9	S 9	S 8	E 9	ENE 9	S 8	S 8	S 8
kJ	—	277	1576	572	207	231	164	125	87	94	61	40	52	31	364	306	264	219	204	15	17	133	99	102
Swell 2 Height (m) Direction Period (s)	—	—	—	W 13	W 11	W 11	WSW 11	WSW 11	E 10	SW 10	E 10	W 11	E 9	E 9	W 9	W 8	E 9	E 9	E 9	ESE 12	ESE 12	E 9	SW 8	SW 9
kJ	—	—	—	3	195	114	84	78	17	24	16	22	16	15	13	10	16	15	15	14	14	15	34	36
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	E 10	E 10	E 10	SE 13	E 10	SE 13	E 9	SE 13	SE 13	E 9	E 9	W 8	W 7	W 6	SW 10	SW 9	ESE 12	E 9	E 9
kJ	—	—	—	—	—	8	7	7	7	16	7	15	7	6	15	15	10	4	3	4	3	14	15	27
Wind waves Height (m) Direction Period (s)	SSE 13	SSE 12	S 12	S 12	SSE 11	S 11	S 11	SSE 10	S 10	S 10	S 10	S 10	S 9	S 9	—	—	—	—	—	S 8	S 8	—	—	—
kJ	8754	5905	4620	3836	2287	2017	1432	1130	967	799	697	602	486	422	—	—	—	—	—	163	160	—	—	—
Nearest Offshore or Glassy	Nagata Kyu Shu	Nagata Kyu Shu	Nagata Kyu Shu	Barrels North	Barrels North	Barrels North	Barrels North	Chokusen Kyu Shu	Kojima Kyu Shu	Kojima Kyu Shu	Maeda Point Okinawa	Kojima Kyu Shu	Kojima Kyu Shu	Curren's Point Kyu Shu	Nichinan Kyu Shu	Steps Okinawa	Kojima Kyu Shu	Kojima Kyu Shu	Steps Okinawa	Kojima Kyu Shu	Kojima Kyu Shu	Kojima Kyu Shu	Steps Okinawa	Steps Okinawa
Rating (10 max)	7	5	5	4	1	1	1	4	4	3	1	3	2	3	2	2	2	2	2	1	1	1	2	2
Distance (km)	595	595	595	683	683	683	683	627	605	605	60	605	605	639	621	70	605	605	70	605	605	605	70	70
Best forecast wave conditions in Okinawa											Maeda Point					Steps			Steps				Steps	Steps
Rating (10 max)											1					2			2				2	2
Best forecast wave conditions in Japan	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Nunoshima Shikoku	Niijima - Awaii Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Niyodo Rivermouth Shikoku	Akabane Long Beach Shizuoka	Kisami-Ohama Beach Shizuoka	Niyodo Rivermouth Shikoku	Niijima - Habushiura Izu Islands
Rating (10 max)	9	9	9	8	6	5	4	4	4	4	4	3	4	3	3	3	2	2	2	2	2	2	2	2
Header Global	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Ilot Sancho Mauritius	Etang-Sale Reunion	Bluff Panama	Bluff Panama	Bluff Panama	Ilot Sancho Mauritius	Black Rocks Mauritius	Black Rocks Mauritius	Black Rocks Mauritius	Amanzimtoti South Africa	Benkunqut Indonesia	Injidup Carpark Australia	Bancoora Australia	Bullies Australia	Bullies Australia	Buchupureo Chile	Buchupureo Chile	Buchupureo Chile	Cathedral Rock Australia	Cathedral Rock Australia
Rating (10 max)	6	6	5	5	5	5	4	4	4	5	4	4	4	4	4	5	5	7	7	7	6	5	9	9

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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