Surf spot

Uchiumi reefs

Forecast conditions and map view for Uchiumi reefs in Japan, Kyushu. Open the interactive surf map to inspect wind, waves, and nearby spots.

Country: Japan, Kyushu
Coordinates: 31.7478, 131.4726

Metric
Metric	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00	00:00	03:00	06:00	09:00	12:00
Wave height (m)	0.9	0.8	0.7	0.6	0.6	0.6	0.5	0.6	0.7	0.8	0.8	0.8	0.8	0.7	0.7	0.9	1	1.1	1.1	1.1	1.2	1.2	1.3	1.4	1.4	1.4	1.4	1.4	1.4	1.3	1.3	1.2	1.2	1.2	1.2	1.2	1.1	1.1	1.1	0.9	1.1	1	0.9	1	0.9	0.9	0.9	0.9	0.8	0.8	0.7	0.8	1.4	1.7	2	2.2
Wave direction	ENE	ENE	ENE	ENE	ENE	ENE	E	E	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	E	E	E	E
Wave period (s)	6.5	6.5	6.2	6	5.7	5.6	10.3	11	9.9	8.7	8.2	8.3	8.3	10.4	5.2	5.4	5.5	5.5	5.5	5.7	5.7	5.8	7	7.1	7.2	7.2	7.3	7.3	7.4	7.5	7.5	7.3	7.3	7.5	7.4	7.5	7.5	7.5	7.6	6.5	7.5	7.5	6.7	7.6	7.7	7.4	6.8	6.8	7	7	7	5.9	6.3	6.3	7	7.3
Wave energy (kJ)	63	51	37	29	22	20	62	81	92	97	90	93	92	95	30	49	64	73	77	84	87	92	171	198	206	215	218	218	209	199	187	166	161	165	158	151	148	143	135	74	125	120	72	111	103	89	72	67	62	60	46	45	156	228	379	504
Wind speed (km/h)	2.6	1.8	2.3	5.2	7.9	7.3	5.5	3.1	2.5	2.3	2.5	5.2	9.5	10.8	5.9	2.5	2.3	3.9	2.9	5.2	8.7	7.2	6	3.9	4.2	3.4	3.6	1.8	7.6	4.5	3.9	0.8	2.5	4.1	2.2	2.5	4	4.4	1.8	4	2.6	4.1	4.9	7.1	11.3	11.1	8	7.4	7.4	10.2	11.1	13.3	15.5	13.2	13.8	15.3
Wind direction	ESEGlassy	EGlassy	ENEGlassy	ENECross-on	ECross	ECross-on	ENECross-on	NEGlassy	NGlassy	NNWGlassy	NGlassy	ENECross-on	ECross	ESECross	ESECross	EGlassy	ENEGlassy	NWGlassy	NNWGlassy	ENECross-on	ECross	ESECross	SSEOffshore	WSWGlassy	WSWGlassy	WSWGlassy	WGlassy	NEGlassy	ECross	ESEGlassy	SEGlassy	WSWGlassy	NGlassy	NWGlassy	NGlassy	NEGlassy	NNEGlassy	NEGlassy	EGlassy	NGlassy	NNWGlassy	NNWGlassy	NNEGlassy	NECross-on	ENECross-on	ENECross-on	NECross-on	NECross-on	NNEOnshore	NECross-on	NEOnshore	NECross-on	NECross-on	NECross-on	ENECross-on	ENECross-on

Uchiumi Reefs on the east coast of Kyushu, Japan is a scenic reef surf spot known for its clean, fast-breaking waves and relatively exposed positioning to Pacific swell. It’s typically best on southeast to east swells, with offshore winds from the west or northwest helping produce crisp, shaped waves.

What it’s like

Wave type: Reef break
Character: Can offer fast, powerful walls with short, punchy sections
Best for: Intermediate to advanced surfers, especially when the swell is solid
Tide sensitivity: Often works best at mid to higher tide, but this can vary depending on the exact reef setup
Consistency: Not always everyday surf; it tends to light up during the right swell direction and size

Conditions and hazards

Being a reef break, it can be sharp and shallow, so wipeouts can be consequential.
The spot may be swell-sensitive and can get too big or too hollow when a strong typhoon swell hits.
Local knowledge is helpful, as reef contours, currents, and access can change the experience a lot.

Setting

Uchiumi is in a beautiful coastal area, with a more remote, natural feel compared with urban beach breaks. The scenery and clear Pacific water often add to the appeal, especially on smaller, clean days.