Katahama Surf Forecast

/ Shizuoka (8 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Katahama surfForecast / Shizuoka / Japan

48hr Weather and Surf, issued 8 am Friday 22 May 2026 JST

Forecast update in hr min s Forecast update imminent

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

Today's Katahama sea temperature is 20.3° C
(Which is 1.1°C colder than average for this time of year)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 3PM is: 0.4m 10s primary swell from a East-southeast direction and 0.7m 6s secondary swell from a East direction (forecast issued at 08:00am May 22). An open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (22 May)	3.5ft (1.1m)	5s
Afternoon (22 May)	2.5ft (0.7m)	6s
Evening (22 May)	0.5ft (0.1m)	8s

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

Updates in hr min s Forecast update imminent

	Short Range Forecast Light rain (total 3mm), mostly falling on Fri morning. Warm (max 20°C on Sun morning, min 15°C on Fri night). Wind will be generally light.
	Friday 22						Saturday 23								Sunday 24								Mon 25
	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 5	E 5	E 6	E 6	SE 8	SE 8	S 8	E 8	S 6	E 6	S 7	E 6	E 6	E 6	ESE 6	ESE 6	ESE 6	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7	E 8	ESE 8
Wave Graph
kJ	61	70	52	36	2	2	1	0	3	0	4	321	281	346	272	252	237	240	255	233	208	214	130	209
Wind (km/h)	NE	NE	NE	ENE	NE	NE	ENE	NE	NE	NE	ENE	NE	ENE	ENE	ENE	ENE	ENE	ENE	E	ESE	ESE	ENE	NE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross-on	cross-on	cross-on	cross-on	cross	cross
High Tide		7:59AM1.32m					10:34PM1.36m				9:10AM1.19m				11:45PM1.37m				11:03AM1.10m					00:47AM1.40m
Low Tide	3:01AM0.98m				3:17PM0.34m				4:32AM0.95m				4:21PM0.47m					6:08AM0.87m			5:34PM0.58m


	4:39	—	—	—	—	—	—	4:39	—	—	—	—	—	—	—	4:39	—	—	—	—	—	—	—	4:37
	—	—	—	—	6:46	—	—	—	—	—	—	—	6:47	—	—	—	—	—	—	—	6:49	—	—	6:49
mm	2	1	—	—	—	—	—	—	—	—	—	—	—	—	1	1	—	—	—	—	—	—	—	—
Temp °C	17	17	18	19	18	17	16	16	15	15	16	18	18	18	16	16	17	18	20	20	20	20	19	19
Feels °C	14	14	17	17	15	12	11	12	10	10	11	13	14	14	12	13	14	15	18	18	19	20	19	19
Swell 1 Height (m) Direction Period (s)	SSW 8	SW 8	SW 8	SSW 8	SSW 8	SSW 7	SW 7	SSW 7	SSW 7	SSW 7	SW 7	SW 7	SW 7	SW 7	SW 7	SW 7	SW 6	SE 7	SE 7	SE 7	E 10	ESE 7	E 8	ESE 8
kJ	425	398	291	193	150	96	54	34	19	19	7	7	2	2	2	2	2	99	125	123	68	214	130	209
Swell 2 Height (m) Direction Period (s)	ESE 10	ESE 10	ESE 10	ESE 10	SE 8	SE 8	S 8	—	S 6	—	S 7	—	SW 7	S 8	—	SE 12	SE 12	SW 6	W 6	—	—	E 10	SE 7	E 11
kJ	54	37	36	36	2	2	1	—	3	—	4	—	2	1	—	6	6	2	1	—	—	50	75	35
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	S 9	E 11	SSW 8
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2	55	7
Wind waves Height (m) Direction Period (s)	E 5	E 5	E 6	E 6	E 8	E 7	E 8	E 8	E 7	E 6	E 7	E 6	E 6	E 6	ESE 6	ESE 6	ESE 6	ESE 7	ESE 7	ESE 7	ESE 7	E 7	E 9	—
kJ	61	70	52	32	164	352	475	391	312	335	389	321	281	346	272	252	237	240	255	233	208	70	220	—
Nearest Offshore or Glassy	Nunoshima Shikoku	Omaezaki Shizuoka	Omaezaki Shizuoka	Teba Shima Shikoku	Omaezaki Shizuoka	Omaezaki Shizuoka	Nunoshima Shikoku	Yasuda Rivermouth Shikoku	Okuragahama Kyu Shu	Nagata Kyu Shu	Uchiboso Chiba	Yasuda Rivermouth Shikoku	Yasuda Rivermouth Shikoku	Nagata Kyu Shu	Sakawa River Kanagawa	Sakawa River Kanagawa	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Usami Shizuoka	Sakawa River Kanagawa	Omaezaki Shizuoka	Suruga Bay Shizuoka
Rating (10 max)	1	2	2	1	1	1	1	1	1	1	1	4	4	1	1	1	1	1	1	1	1	1	2	1
Distance (km)	351	13	13	369	13	13	351	415	661	747	150	415	415	747	103	103	104	104	104	104	85	103	13	2
Best forecast wave conditions in Shizuoka		Omaezaki	Omaezaki		Omaezaki	Omaezaki															Usami		Omaezaki	Omaezaki
Rating (10 max)		2	2		1	1															1		2	2
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Omaezaki Shizuoka	Kaifu Rivermouth Shikoku	Omaezaki Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Yonabaru Okinawa	Yonabaru Okinawa	Uchiboso Chiba	Yasuda Rivermouth Shikoku	Yasuda Rivermouth Shikoku	Yonabaru Okinawa	Inamura Point Kanagawa	Inamura Point Kanagawa	Niyodo Rivermouth Shikoku	Nunoshima Shikoku	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Kaifu Rivermouth Shikoku	Takegashima Shikoku	Takegashima Shikoku	Niyodo Rivermouth Shikoku
Rating (10 max)	2	2	2	1	1	1	1	1	1	1	1	4	4	1	1	1	3	3	1	1	3	2	3	2
Header Global	Tahai Chile	Barra de Guaratiba Brazil	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Easter Reef Australia	Arrawarra Australia	Dunedin - Bobs Beach New Zealand	Saint Leu Reunion	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Cannibal Bay New Zealand	Papatowai New Zealand	Etang-Sale Reunion	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius
Rating (10 max)	5	4	5	7	7	7	6	5	7	5	5	6	7	8	7	6	5	5	5	5	5	6	5	5

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

Latest Updates

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Katahama Surf Forecast

Katahama surfForecast / Shizuoka / Japan

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