Aha Rivermouth 48 hour detailed Surf Forecast

Lat Long: 26.72° N 128.30° E

Issued: 2 am 23 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:

How big are the waves at Aha Rivermouth today (23 Jul):

Morning surf: Morning surf (23 Jul, local time) - 1.5ft (0.5m), 10s period with ENE swell.
Afternoon surf: Afternoon surf (23 Jul, local time) - 2ft (0.6m), 10s period with ENE swell.
Evening surf: Evening surf (23 Jul, local time) - 1.5ft (0.5m), 10s period with ENE swell.

The current surf forecast for Aha Rivermouth at 8AM is: 0.5m 10s primary swell from a East-northeast direction (forecast issued at 02:00am July 23). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (23 Jul)	1.5ft (0.5m)	10s
Afternoon (23 Jul)	2ft (0.6m)	10s
Evening (23 Jul)	1.5ft (0.5m)	10s

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

	Short Range Forecast Light rain (total 2mm), mostly falling on Fri night. Warm (max 30°C on Thu afternoon, min 28°C on Thu night). Wind will be generally light.
	Thursday 23								Friday 24								Saturday 25
	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	0	0	0	0	0	0	1	1	0	0	0	0	0	0	1	1	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 11	ENE 11	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	SE 7	SE 7	ENE 10	ENE 9	ENE 9	ENE 9	SE 10	SE 10
Wave Graph
kJ	47	103	72	59	80	78	56	56	56	56	56	56	56	55	55	38	43	43	31	29	29	28	28	28
Wind (km/h)	SSE	SSE	SE	SE	SE	SE	SE	SE	SSE	SSE	SE	SE	SE	ESE	ESE	SE	SSE	SSE	S	S	SE	ESE	SE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross	cross	cross	cross	cross	cross	cross-off	cross-off	cross	cross	cross	cross	cross-on	cross	cross-off	cross-off	cross-off	cross-off	cross	cross	cross	cross
High Tide		00:23AM1.70m				2:37PM1.34m				1:24AM1.65m					4:44PM1.40m			2:40AM1.63m					5:45PM1.51m
Low Tide				7:49AM0.79m				6:57PM1.19m					9:14AM0.74m			8:43PM1.29m					10:24AM0.65m


	—	5:46	—	—	—	—	—	—	—	5:46	—	—	—	—	—	—	—	5:47	—	—	—	—	—	—
	—	—	—	—	—	—	7:19	—	—	—	—	—	—	—	7:19	—	—	—	—	—	—	—	7:17	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	1	—	—	—	—	—	—
Temp °C	28	28	28	29	29	30	29	29	28	28	28	29	29	30	29	29	28	28	28	29	29	30	29	29
Feels °C	32	33	33	33	32	34	33	34	32	32	31	32	32	34	33	33	32	32	32	33	33	34	33	34
Swell 1 Height (m) Direction Period (s)	ENE 11	ENE 11	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	SE 7	SSE 9	SSE 9	SSE 9	SSE 9	SSE 8	SSE 8
kJ	47	103	72	59	80	78	56	56	56	56	56	56	56	55	55	38	37	43	86	111	140	140	127	118
Swell 2 Height (m) Direction Period (s)	ENE 8	W 6	W 6	W 6	W 6	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 9	ESE 9	ESE 9	SE 9	SE 7	SE 11	ENE 10	ENE 10	ENE 9	ENE 9	ENE 9	ENE 9	ENE 9
kJ	13	3	3	3	2	10	10	10	10	10	10	9	8	8	14	14	19	37	31	29	29	28	28	28
Swell 3 Height (m) Direction Period (s)	W 6	E 10	E 10	SE 10	ESE 10	S 7	S 7	S 7	S 7	S 7	S 7	S 7	S 8	S 8	S 8	S 7	S 9	SSE 9	ESE 11	SE 11	SE 10	SE 10	SE 10	SE 10
kJ	3	8	8	4	10	4	4	4	4	4	4	4	4	4	5	4	6	27	11	18	17	17	25	25
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	ESE 2	ESE 3	ESE 3	ESE 3	—	—	SE 2	SE 3	SE 3	SE 4	SE 4	SE 7	—	—	—	—	—	—	—
kJ	—	—	—	—	—	1	1	1	1	—	—	1	2	3	4	5	43	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Aha Rivermouth Okinawa	Aha Rivermouth Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Aha Rivermouth Okinawa	Aha Rivermouth Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Cape Toi Kyu Shu	Aha Rivermouth Okinawa	Aha Rivermouth Okinawa	Ko-Chan (Hedo Point) Okinawa	Ko-Chan (Hedo Point) Okinawa	Corners Okinawa	Corners Okinawa	Corners Okinawa	Ko-Chan (Hedo Point) Okinawa
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	1	2
Distance (km)	0	0	12	12	12	12	12	12	0	0	12	12	12	12	12	596	0	0	17	17	68	68	68	17
Best forecast wave conditions in Okinawa	Ko-Chan (Hedo Point)	Aja	Aja	Yona Bay	Yona Bay	Aja	Aja	Yona Bay	Aja	Aja	Yona Bay	Yona Bay	Yona Bay	Yona Bay	Yona Bay		Steps	Steps	Ko-Chan (Hedo Point)	Steps	Steps	Steps	Steps	Steps
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1	1	2	2	2	2	1	2
Best forecast wave conditions in Japan	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Big Ben Chiba	Malibu Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Amatu Chiba	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Takegashima Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaifu Rivermouth Shikoku	Nunoshima Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Ko-Chan (Hedo Point) Okinawa	Steps Okinawa	Steps Okinawa	Steps Okinawa	Kaiser's (Hachijojima Island) Izu Islands	Steps Okinawa
Rating (10 max)	1	2	2	1	1	1	1	1	1	1	1	1	1	1	2	1	1	1	2	2	2	2	1	2
Header Global	Viri Inga O Tuki Chile	Papa Tangaroa Chile	Point Roadnight Australia	Cobblestones Australia	Etang-Sale Reunion	Cobblestones Australia	Point Roadnight Australia	Dolphin Point South Africa	Benkunqut Indonesia	Point Roadnight Australia	Point Roadnight Australia	Dolphin Point South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Sea Vista South Africa	Sea Vista South Africa	Fish Boma South Africa	Fish Boma South Africa	Boneyards South Africa	Papatowai New Zealand	Papatowai New Zealand	Bancoora Australia	Blaketown Wedge New Zealand
Rating (10 max)	8	7	6	5	4	4	7	5	4	9	9	9	9	9	9	7	6	5	5	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)

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Aha Rivermouth 48 hour detailed Surf Forecast

How big are the waves at Aha Rivermouth today (23 Jul):

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