Uchiumi Surf Forecast

/ Kyu Shu (26 surf breaks) /

Japan (129 surf breaks) / Lat Long: (31.76° N 131.48° E)

Surf Forecasts:

Uchiumi surfForecast / Kyu Shu / Japan

48hr Weather and Surf, issued 2 am Wednesday 17 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Uchiumi sea temperature is 28.7° C
(Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Uchiumi today?

The current surf forecast for Uchiumi at 5AM is: 0.6m 9s primary swell from a East-southeast direction and 0.2m 4s secondary swell from a South direction (forecast issued at 02:00am September 17). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (17 Sep)	2.5ft (0.7m)	9s
Afternoon (17 Sep)	2ft (0.6m)	9s
Evening (17 Sep)	2ft (0.6m)	9s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 17								Thursday 18								Friday 19
	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	6 PM	9 PM
Rating (10 max)	0	0	1	1	1	1	1	1	1	1	1	1	1	0	0	0	1	1	1	0	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	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE
Period(s) (?)	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	9	9	9	9	9	9	11
Wave Graph (?)
kJ (?)	50	48	65	73	65	65	47	65	68	72	74	74	75	55	54	52	81	78	68	68	66	66	47	44
Wind (km/h)	WSW	WSW	WSW	WSW	SSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	W	W	WSW	NW	NW	N	NE	ENE	ENE	NE	NNE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	off	off	off	cross- off	off	off	off	off	off	off	off	off	off	off	cross- off	cross- off	glass	glass	on	on	on	cross- on	cross- on
High Tide / height (m)		12:35AM 1.63					4:07PM 1.82			2:34AM 1.70					4:38PM 1.94				3:43AM 1.85				5:04PM 2.03
Low Tide / height (m)				8:31AM 0.63					9:41PM 1.34				9:35AM 0.53				10:20PM 1.16				10:23AM 0.44

	Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	5:58	-	-	-	-	-	-	-	5:58	-	-	-	-	-	-	-	5:58	-	-	-	-	-
Sunset	-	-	-	-	-	-	6:17	-	-	-	-	-	-	-	6:16	-	-	-	-	-	-	-	6:15	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2	1	2	2	1	-
Temp. °C	27	27	26	28	32	33	30	27	26	26	26	29	30	30	29	27	26	26	26	26	27	26	26	26
Feels °C (?)	31	31	30	32	35	35	33	30	30	30	30	32	32	32	33	31	30	31	31	30	30	29	30	30

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 Calm condsitions have become offshore at Uchiumi (light winds from the SW at Miyazaki Airport 12 km from Uchiumi). 0.5m 9s swell from the ESE with a 0.4m 3s local chop from the SSW and a 0.2m 3s local chop from the SSE as well as a 0.2m 13s groundswell from the E. 4 swells combining to make bigger set waves.
1 hour 45 minutes ago Uchiumi

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1 h 45 min ago

11 km/h

Offshore

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