Aoshima Harbour 48 hour detailed Surf Forecast

Lat Long: 31.80° N 131.47° E

Issued: 8 pm 10 Jul 2026 (local time)

Forecast update in hr min

Today's Aoshima Harbour sea temperature is

26.1° C

Aoshima Harbour 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 Aoshima Harbour today (11 Jul):

Morning surf: Morning surf (11 Jul, local time) - 11ft (3.5m), 17s period with SSE swell.
Afternoon surf: Afternoon surf (11 Jul, local time) - 11ft (3.5m), 17s period with SSE swell.
Evening surf: Evening surf (11 Jul, local time) - 11ft (3.5m), 16s period with SSE swell.

The current surf forecast for Aoshima Harbour at 1AM is: 3.5m 17s primary swell from a South-southeast direction and 0.4m 9s secondary swell from a East-northeast direction (forecast issued at 08:00pm July 10). The wind direction is predicted to be cross-onshore and the swell rating is 11.

Time (JST) & Date	Wave Height	Wave Period
Morning (11 Jul)	11ft (3.5m)	17s
Afternoon (11 Jul)	11ft (3.5m)	17s
Evening (11 Jul)	11ft (3.5m)	16s

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

	Short Range Forecast Moderate rain (total 14mm), heaviest on Sat afternoon. Warm (max 31°C on Mon afternoon, min 26°C on Fri night). Wind will be generally light.
	Fri 10		Saturday 11								Sunday 12								Monday 13
	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	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM
Rating (10 max)	!	!	!	!	!	!	!	!	!	!	!	!	4	3	3	2	3	3	3	3	3	2	3	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSE 17	SSE 17	SSE 17	SSE 17	SSE 17	SSE 17	SSE 17	SSE 17	SSE 17	SSE 16	SSE 16	SSE 15	SSE 14	SSE 13	SSE 13	SSE 12	SSE 12	SSE 12	SSE 12	SSE 11	SSE 11	SSE 11	S 11	S 11
Wave Graph
kJ	7168	6995	6995	6995	6760	7129	7213	6987	6387	5637	4272	3340	2561	1929	1561	1256	1053	887	784	626	503	431	683	658
Wind (km/h)	ESE	ESE	E	ESE	E	ESE	ESE	ESE	SE	ESE	ESE	SE	S	SE	SSE	SSE	S	SSW	SW	SW	WSW	SW	SSE	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross-on	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	glassy	glassy	cross	cross	cross	cross-off	cross-off	cross-off	off	off	glassy	cross	cross
High Tide	4:02PM1.69m			2:28AM1.86m					5:00PM1.82m				3:24AM1.91m				5:45PM1.93m				4:15AM1.98m
Low Tide		8:58PM1.31m					9:48AM0.37m				10:05PM1.31m				10:37AM0.23m				10:58PM1.27m				11:20AM0.12m


	—	—	—	5:16	—	—	—	—	—	—	—	5:16	—	—	—	—	—	—	—	5:16	—	—	—	—
	7:22	—	—	—	—	—	—	—	7:22	—	—	—	—	—	—	—	7:22	—	—	—	—	—	—	7:21
mm	—	1	1	1	1	2	1	4	1	1	—	1	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	27	27	27	26	26	27	28	28	27	27	27	27	27	28	28	29	29	27	27	26	26	29	30	31
Feels °C	31	31	31	29	30	30	31	32	31	32	32	33	33	33	31	32	33	31	32	31	30	34	34	34
Swell 1 Height (m) Direction Period (s)	SSE 17	SSE 17	SSE 17	SSE 17	SSE 17	SSE 17	SSE 17	SSE 17	SSE 17	SSE 16	SSE 16	SSE 15	SSE 14	SSE 13	SSE 13	SSE 12	SSE 12	SSE 12	SSE 12	SSE 11	SSE 11	SSE 11	SSE 11	SSE 10
kJ	7168	6995	6995	6995	6760	7129	7213	6987	6387	5637	4272	3340	2561	1929	1561	1256	1053	887	784	626	503	431	400	385
Swell 2 Height (m) Direction Period (s)	E 8	E 9	ENE 9	E 9	ENE 9	ENE 9	E 9	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	E 9	E 9
kJ	35	39	26	40	26	26	41	45	46	30	30	30	29	28	27	27	27	27	27	15	27	26	26	27
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	SE 15	—	—	—	—	—	—	SE 13	SE 13	SE 13	SE 13
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	8	—	—	—	—	—	—	7	7	7	7
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	S 11	S 11
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	683	658
Nearest Offshore or Glassy	Nomozaki Kyu Shu	Nomozaki Kyu Shu	Nagata Kyu Shu	Unnamed Kyu Shu	Unnamed Kyu Shu	Nomozaki Kyu Shu	Nomozaki Kyu Shu	Osaki Point Shikoku	Osaki Point Shikoku	Nagata Kyu Shu	Nagata Kyu Shu	Aoshima Kyu Shu	Aoshima Harbour Kyu Shu	Nagata Kyu Shu	Osaki Point Shikoku	Osaki Point Shikoku	Niyodo Rivermouth Shikoku	Aoshima Harbour Kyu Shu	Aoshima Harbour Kyu Shu	Aoshima Harbour Kyu Shu	Aoshima Harbour Kyu Shu	Aoshima Harbour Kyu Shu	Udo Shrine Kyu Shu	Niyodo Rivermouth Shikoku
Rating (10 max)	2	2	9	9	9	3	3	9	9	9	7	5	4	4	7	5	4	3	3	3	3	2	3	3
Distance (km)	202	202	49	49	49	202	202	312	312	49	49	1	0	49	312	312	284	0	0	0	0	0	19	284
Best forecast wave conditions in Kyu Shu	Nomozaki	Nomozaki	Nagata	Okuragahama	Okuragahama	Nomozaki	Nomozaki			Nagata	Nagata	Okuragahama	Nagata	Okuragahama				Udo Shrine	Udo Shrine	Dragons Leaf	Dragons Leaf	Dragons Leaf	Udo Shrine
Rating (10 max)	2	2	9	9	9	3	3			9	7	5	5	4				4	4	3	3	3	3
Best forecast wave conditions in Japan	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Takegashima Shikoku	Takegashima Shikoku	Takegashima Shikoku	Takegashima Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Dead Man's Land Shikoku	Dead Man's Land Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Suruga Bay Shizuoka	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Niyodo Rivermouth Shikoku
Rating (10 max)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	7	5	4	4	4	4	4	3	3	3
Header Global	Papatowai New Zealand	Boneyards South Africa	Boneyards South Africa	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Black Rocks Mauritius	Black Rocks Mauritius	Black Rocks Mauritius	Benkunqut Indonesia
Rating (10 max)	6	5	5	7	7	5	5	5	4	4	7	6	5	5	5	5	5	5	5	5	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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Aoshima Harbour 48 hour detailed Surf Forecast

How big are the waves at Aoshima Harbour today (11 Jul):

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