Surf spot

Katahama

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

Country: Japan, Shizuoka
Coordinates: 34.7148, 138.2174

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)	1	1.1	0.9	0.8	0.7	0.6	0.6	0.5	0.4	0.4	0.5	0.5	0.4	0.5	0.7	0.7	0.7	0.8	0.8	0.8	0.9	0.9	1	1	1.1	1	1	1	1	1	1	1	1	0.9	0.9	0.9	0.9	0.8	0.8	0.7	0.8	0.8	0.8	0.6	0.7	1	1	1	1	0.9	0.9	0.8	0.9	0.8	0.8	0.9
Wave direction	S	SSW	SSW	SSW	SSW	SSW	S	SSW	ESE	SE	ESE	ESE	SSE	SE	SE	SE	SE	SSE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE
Wave period (s)	6.2	5.7	5.2	5.3	5.3	5.3	5.2	5.8	8.7	7.3	6.2	4	7.2	5.9	4.8	5.2	5.3	5.4	5.3	5.8	6.3	6.4	6.5	6.5	6.5	6.3	6.4	6.3	6	5.9	5.8	5.8	5.7	5.6	5.6	5.4	5.5	5.5	5.7	5.8	5.8	6	5.8	4.5	5.2	5.8	5.9	6.3	6.4	6.4	6.7	7.1	7	9.4	9.6	11.9
Wave energy (kJ)	79	73	44	40	30	23	17	16	27	21	17	9	18	15	20	28	31	35	37	44	64	72	80	91	93	86	89	78	76	67	63	65	62	55	55	47	48	43	41	36	38	43	46	15	29	66	75	87	79	72	68	65	74	109	112	209
Wind speed (km/h)	7.7	11	10.7	12	11.7	10.2	7.1	7.7	5.9	4.2	5.1	6.6	9.7	10.2	6.2	2	5.8	6.9	4.5	2.8	12.7	13.2	8.5	5	1.3	6.5	5.4	0.4	10	13.2	11.8	6.9	3.1	5.4	2.7	8	4.2	3.7	3.6	5.1	5.4	5	4.8	8	14.4	8.6	10.2	20.8	21.7	22.1	18.1	24.7	27.4	27.6	28.9	23.4
Wind direction	NEOnshore	NEOnshore	NEOnshore	NEOnshore	NEOnshore	NEOnshore	NEOnshore	NEOnshore	NEOnshore	ENEGlassy	NEOnshore	ENEOnshore	SECross-on	SCross	SCross	NEGlassy	NCross-on	NCross-on	NNEGlassy	SEGlassy	SCross-off	SSWCross-off	SWOffshore	WOffshore	NWGlassy	NCross-on	NCross-on	NGlassy	WSWOffshore	SWOffshore	SWOffshore	WCross-off	NWGlassy	NCross-on	NNWGlassy	NCross-on	NNEGlassy	WNWGlassy	EGlassy	EOnshore	NEOnshore	NNWCross	NNEGlassy	NEOnshore	ENEOnshore	EOnshore	NEOnshore	ENEOnshore	ENEOnshore	ENEOnshore	NEOnshore	ENEOnshore	ENEOnshore	ENEOnshore	ENEOnshore	ENEOnshore

Katahama, Shizuoka is a surf spot on Japan’s Pacific coast known for its beachbreak waves and relatively exposed location to ocean swells. It’s the kind of spot that can offer fun, punchy surf when conditions line up, especially during typhoon season and winter swell periods.

General character

Type: Beachbreak
Wave quality: Can be good, but often influenced by sandbars shifting with tides and storms
Best for: Intermediate surfers and above, though smaller days can be suitable for beginners depending on conditions
Crowd: Usually less intense than famous Japanese surf hubs, but this varies with season and swell

Conditions

Swell exposure: Picks up Pacific swell well
Wind: Offshore winds can clean it up nicely; onshore winds can make it messy quickly
Tide sensitivity: Often tide-dependent because of the beachbreak nature
Hazards: Strong currents, changing sandbars, and powerful surf during typhoons

Best season

Autumn: Often the most reliable and powerful surf period
Winter: Can produce clean, quality waves with cold water and offshore winds
Summer: Smaller and more inconsistent, though typhoons can create excellent sessions

Local note

Shizuoka’s coastline has a mix of surf spots, and Katahama is generally appreciated for its natural, open-coast feel and the ability to light up when swell direction, tide, and wind all align.