Surf spot

Ishinamigawa

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

Country: Japan, Kyushu
Coordinates: 32.3278, 131.6089

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)	0.8	0.7	0.6	0.5	0.5	0.5	0.5	0.5	0.7	0.7	0.8	0.8	0.7	0.8	0.6	0.7	0.9	0.9	1	1	1	1.1	1.1	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.2	1.2	1.2	1.1	1.1	1.1	1.1	1.1	1	1	0.9	1	0.9	0.9	0.9	0.7	0.9	0.8	0.8	0.8	0.9	1.5	1.9	2.1	2.3
Wave direction	E	SSE	ESE	E	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	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	E
Wave period (s)	6.5	5.9	6	6	6	6	11.1	11.6	9.3	8.5	8.1	8.2	8.3	8.2	7.2	6	5.8	5.5	6	5.8	5.9	6	6.1	7.1	7.1	7.2	7.2	7.3	7.3	7.3	7.4	7.4	7.3	7.3	7.3	7.4	7.5	7.5	7.4	7.1	6.7	6.5	7.3	7.5	7.7	7.8	7	7.8	7.8	7.6	4.5	6.2	6	6.3	6.8	7.1
Wave energy (kJ)	51	32	24	21	19	19	66	73	85	75	76	77	75	78	42	31	51	50	74	74	75	80	90	160	176	184	186	186	188	183	174	168	153	145	140	137	134	129	123	109	82	73	102	98	99	95	53	91	86	78	28	67	165	281	416	515
Wind speed (km/h)	3.2	3.3	4.3	4.7	8.6	7.9	3.9	4.3	4.9	4.7	5.1	3.3	7.9	8.7	3.3	4.6	6	5.8	5.5	3.2	9.2	7.4	4.4	4.6	4.7	5	5.6	2.6	6.7	7	3.8	4.9	5.4	5.3	4.8	3.6	3.2	4.3	3.3	4.9	5.1	5.6	5.4	3.7	9.7	9.9	5.6	5.4	5.9	6.6	5.6	4.3	8.4	10.9	10.7	10.6
Wind direction	WSWGlassy	WNWGlassy	NWGlassy	EGlassy	EOnshore	EOnshore	ENEGlassy	NWGlassy	NWGlassy	WNWGlassy	NWCross-off	EGlassy	SECross-on	SECross-on	SEGlassy	WNWGlassy	WNWOffshore	WNWCross-off	WNWCross-off	ENEGlassy	EOnshore	SECross-on	SGlassy	WNWGlassy	WNWGlassy	WNWCross-off	NWCross-off	NEGlassy	ESEOnshore	ESEOnshore	NNEGlassy	NWGlassy	NWCross-off	WNWOffshore	NWGlassy	NWGlassy	ESEGlassy	EGlassy	NGlassy	NWGlassy	NWCross-off	NWCross-off	NWCross-off	NGlassy	EOnshore	EOnshore	NECross-on	NNWCross-off	NWCross-off	NNWCross-off	NNWCross-off	NGlassy	NECross-on	NECross-on	ENECross-on	NECross-on

Ishinamigawa (Ishinami River area), Kyushu, Japan is a lesser-known surf spot that can offer a more quiet, local-feeling surf experience compared with Japan’s better-known breaks.

General vibe

Type of spot: Typically a river-mouth / beachbreak-style setup depending on exact location and sand conditions.
Crowds: Usually lighter crowds, which is appealing if you want a calmer session.
Setting: A mix of natural coastline and river influence, often with changing sandbars.

Wave characteristics

Wave quality: Can be fun when conditions line up, but it’s generally more inconsistent than famous point or reef breaks.
Best conditions: Usually works best with the right swell direction, tide, and sandbar shape.
Wave shape: Expect quick, beachbreak-style peaks rather than long, perfectly groomed lines.

Conditions and season

Seasonality: Like much of Kyushu, surf conditions are often better when typhoons or seasonal swell systems bring energy.
Wind sensitivity: Can be wind-sensitive, so offshore or light winds make a big difference.
Tide dependence: Tides may strongly affect how the waves break, especially if it’s a river-mouth influenced spot.

What to expect

A spot that can be fun and playful on the right day
More suited to surfers who enjoy exploring and checking conditions
Potentially good for intermediate surfers, though stronger swells may make it more challenging

Travel notes

Kyushu has a number of surfable coasts, but many spots are local-knowledge dependent.
Conditions can vary a lot from day to day, so it’s worth checking local surf reports, buoy data, and wind forecasts before heading there.