Aoshima Harbour Surf Forecast

/ Kyu Shu (26 surf breaks) /

Japan (129 surf breaks) / Lat Long: (31.80° N 131.47° E)

Surf Forecasts:

Aoshima Harbour surfForecast / Kyu Shu / Japan

48hr Weather and Surf, issued 8 pm Thursday 18 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Aoshima Harbour sea temperature is 29.2° C
(Which is 1.8°C warmer than normal for this time of year)

How big are the waves at Aoshima Harbour today?

The current surf forecast for Aoshima Harbour at 10PM is: 0.5m 10s primary swell from a East-southeast direction and 0.3m 4s secondary swell from a South direction (forecast issued at 08:00pm September 18). The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (18 Sep)	-	-
Afternoon (18 Sep)	-	-
Evening (18 Sep)	1.5ft (0.5m)	10s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thu 18		Friday 19								Saturday 20								Sunday 21
	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM
Rating (10 max)	1	0	0	1	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	E	ESE	E	E	E	E	E	E	ENE
Period(s) (?)	10	10	10	9	9	9	9	9	10	11	11	11	9	9	10	9	9	9	8	9	8	9	9	8
Wave Graph (?)
kJ (?)	54	52	81	78	68	68	66	66	40	44	45	44	46	46	45	104	129	117	116	117	91	95	99	50
Wind (km/h)	NW	N	N	NNW	NNE	NE	ENE	NE	NNE	N	NNW	WNW	WSW	SSW	SSW	WSW	WSW	WSW	W	WNW	NNW	ENE	ENE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	cross- on	cross	glass	cross- on	cross- on	on	on	cross- on	cross	cross	cross- off	glass	cross- off	cross- off	off	off	off	off	cross- off	cross	on	on	on
High Tide / height (m)	4:38PM 1.94				3:43AM 1.85				5:04PM 2.03				4:34AM 2.00				5:30PM 2.09				5:16AM 2.12
Low Tide / height (m)			10:20PM 1.16				10:23AM 0.44				10:53PM 0.96				11:02AM 0.39				11:23PM 0.77				11:36AM 0.38

	Thu 18		Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	5:58	-	-	-	-	-	-	-	-	6:00	-	-	-	-	-	-	-	6:01	-	-
Sunset	6:16	-	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:14	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2	1	1
Temp. °C	29	27	26	26	25	26	26	27	26	25	25	25	25	27	29	30	28	26	26	25	25	26	26	26
Feels °C (?)	33	31	30	31	28	29	28	29	29	28	29	29	29	31	32	32	31	29	29	29	28	29	27	27

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Kyu Shu

Wind Update Previously calm conditions have become cross-shore at Aoshima Harbour (light winds from the N at Miyazaki Airport 9 km from Aoshima Harbour). 0.5m 9s swell from the ESE with a 0.2m 3s local chop from the S and a 0.1m 12s groundswell from the ESE. 3 swells combining to make bigger set waves.
1 hour 43 minutes ago Aoshima Harbour

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1 h 43 min ago

11 km/h

Cross-Shore

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