Katahama Surf Forecast

/ Shizuoka (8 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Katahama surfForecast / Shizuoka / Japan

48hr Weather and Surf, issued 8 pm 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 20.4° C
(Which is 1.1°C colder than average for this time of year)

Time (JST) & Date	Wave Height	Wave Period
Morning (23 May)	-	-
Afternoon (23 May)	0.5ft (0.1m)	6s
Evening (23 May)	7ft (2.1m)	6s

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

Updates in hr min s Forecast update imminent

	Short Range Forecast Mostly dry. Warm (max 21°C on Sun afternoon, min 15°C on Fri night). Mainly fresh winds.
	Fri 22		Saturday 23								Sunday 24								Monday 25
	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	6 AM	9 AM	12 PM	3 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	1	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 8	E 8	S 8	E 8	E 7	E 7	E 7	S 6	E 6	E 6	E 6	ESE 6	ESE 6	ESE 6	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7	ESE 8	ESE 8	ESE 8	ESE 8
Wave Graph
kJ	2	0	1	0	0	0	0	1	365	344	279	237	226	201	214	192	198	197	183	193	173	183	237	145
Wind (km/h)	NE	NE	NE	NE	NE	NE	ENE	ENE	ENE	ENE	NE	NE	ENE	ENE	ENE	E	E	ENE	NE	NNE	NE	ENE	SSE	SSE
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-on	cross-on	cross-on	cross-on	cross	cross-off	cross	cross-on	on	on
High Tide			10:34PM1.36m				9:10AM1.19m				11:45PM1.37m				11:03AM1.10m					00:47AM1.40m				1:05PM1.11m
Low Tide	3:17PM0.34m				4:32AM0.95m				4:21PM0.47m					6:08AM0.87m			5:34PM0.58m					7:26AM0.74m


	—	—	—	4:39	—	—	—	—	—	—	—	4:39	—	—	—	—	—	—	—	4:37	—	—	—	—
	6:46	—	—	—	—	—	—	—	6:47	—	—	—	—	—	—	—	6:49	—	—	—	—	—	—	6:49
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	18	16	16	15	15	15	16	17	18	17	17	17	17	19	20	21	20	19	19	18	18	20	21	21
Feels °C	15	11	11	10	10	10	10	12	13	11	12	13	14	16	18	20	19	19	19	17	17	19	20	20
Swell 1 Height (m) Direction Period (s)	SSW 8	SW 8	SW 7	SSW 7	SSW 7	SSW 7	SW 7	SW 7	SW 7	SW 7	SW 7	SE 12	SE 12	SE 12	ESE 12	E 10	E 10	E 10	ESE 7	ESE 7	ESE 8	ESE 8	ESE 8	ESE 8
kJ	150	82	54	34	28	19	11	7	2	2	2	6	6	6	13	69	69	46	183	193	173	183	158	145
Swell 2 Height (m) Direction Period (s)	SE 8	—	S 8	—	—	—	—	S 6	—	—	—	—	—	—	—	—	—	—	E 9	E 9	E 10	ENE 10	ENE 10	ENE 11
kJ	2	—	1	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	44	44	52	35	36	40
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SW 8	S 8
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3	10
Wind waves Height (m) Direction Period (s)	E 7	E 8	E 8	E 8	E 7	E 7	E 7	E 7	E 6	E 6	E 6	ESE 6	ESE 6	ESE 6	ESE 7	ESE 7	ESE 7	ESE 7	ENE 9	—	—	—	ESE 8	—
kJ	168	410	391	377	250	280	345	342	365	344	279	237	226	201	214	192	198	197	177	—	—	—	237	—
Nearest Offshore or Glassy	Omaezaki Shizuoka	Omaezaki Shizuoka	Yasuda Rivermouth Shikoku	Dragons Leaf Kyu Shu	Okuragahama Kyu Shu	Okuragahama Kyu Shu	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba	Yasuda Rivermouth Shikoku	Sakawa River Kanagawa	Sagami River Kanagawa	Omaezaki Shizuoka	Uchiboso Chiba	Keta Reef Oshima Izu Islands	Usami Shizuoka	Usami Shizuoka	Sakawa River Kanagawa	Suruga Bay Shizuoka	Suruga Bay Shizuoka	Suruga Bay Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Keta Reef Oshima Izu Islands
Rating (10 max)	1	1	1	1	1	1	1	1	1	3	1	1	2	2	1	1	1	1	1	1	1	1	2	1
Distance (km)	13	13	415	619	661	661	150	150	150	415	103	124	13	150	104	85	85	103	2	2	2	13	13	104
Best forecast wave conditions in Shizuoka	Omaezaki	Omaezaki											Omaezaki			Usami	Usami		Shimoda Yamatoken (Tatado Hama)	Akabane Long Beach	Akabane Long Beach	Akabane Long Beach	Omaezaki
Rating (10 max)	1	1											2			1	1		1	2	2	1	2
Best forecast wave conditions in Japan	Omaezaki Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Ikei Island Okinawa	Ikei Island Okinawa	Ikei Island Okinawa	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba	Yasuda Rivermouth Shikoku	Uchiboso Chiba	Niyodo Rivermouth Shikoku	Mera Chiba	Nunoshima Shikoku	Uchiboso Chiba	Keta Reef Oshima Izu Islands	Kaifu Rivermouth Shikoku	Uchiboso Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Mera Chiba	Mera Chiba
Rating (10 max)	1	1	1	1	1	1	1	1	1	3	2	3	2	3	1	2	2	1	4	3	2	2	2	2
Header Global	Trial Harbour Australia	Trial Harbour Australia	Burleigh Heads Australia	Currumbin Point Australia	Currumbin Point Australia	Saint Leu Reunion	Barra de Guaratiba Brazil	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Cannibal Bay New Zealand	Papatowai New Zealand	Currumbin Point Australia	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Ilot Sancho Mauritius	Angourie Point Australia	Angourie Point Australia
Rating (10 max)	7	7	6	6	6	5	4	6	7	8	7	6	5	5	5	5	5	5	5	5	5	5	4	4

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

Ben Mondy

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Katahama surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Katahama Surf Forecast

Katahama surfForecast / Shizuoka / Japan

Short Range Forecast

Latest Updates

Best Surf Travel Deals & Discounts For 2026 To Help Make Surf Travel Cheaper

Let Our Surf Alerts Do All Your Forecast Heavy Lifting

Talking To Maddie Meddings on New Film Undercurrents. (And Then Watch It!)

The roadsurfer VanLife Taster Menu

Cyclone Vainau Smashes NZ and Bells Gears Up for 50-year Storm*

FREE! Surf-Forecast.com widget for your website