Katahama Surf Forecast

/ Shizuoka (8 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Katahama surfForecast / Shizuoka / Japan

48hr Weather and Surf, issued 8 pm Tuesday 14 Oct 2025 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 24.2° C
(Which is normal for this time of year)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 9PM is: 0.8m 4s primary swell from a East direction and 0.3m 8s secondary swell from a East direction (forecast issued at 08:00pm October 14). An open ocean swell of 0.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (14 Oct)	-	-
Afternoon (14 Oct)	-	-
Evening (14 Oct)	2.5ft (0.8m)	4s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tue 14		Wednesday 15								Thursday 16								Friday 17
	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 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	1	1	0	1	1	1	0	0	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	E	ENE	E	E	E	E	E	E	E	S	E	E	E	E	E	E	E	E	E	E	E	E	E
Period(s) (?)	5	4	4	5	6	6	6	6	6	6	7	8	8	7	7	8	8	7	11	11	10	5	6	8
Wave Graph (?)
kJ (?)	43	24	24	39	49	56	72	92	121	139	1	246	159	107	70	55	41	27	81	56	125	73	284	362
Wind (km/h)	ENE	NE	NE	NNE	NE	NE	ENE	ENE	ENE	NE	NE	NE	NE	ENE	E	SW	WNW	W	NW	NNE	NNE	NE	ENE	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross- off	cross	cross	cross	cross- on	cross	cross	cross	cross	cross	cross	cross- on	glass	cross- off	cross- off	off	cross- off	cross- off	cross	cross- on	cross- on
High Tide / height (m)			9:27PM 1.32					2:05PM 1.45				12:27AM 1.24				2:48PM 1.52				2:11AM 1.32
Low Tide / height (m)	5:33PM 1.24				5:55AM 0.64					8:10PM 1.13				7:28AM 0.65					9:04PM 0.98			8:34AM 0.64

	Tue 14		Wednesday 15								Thursday 16								Friday 17
Sunrise	-	-	-	-	5:50	-	-	-	-	-	-	-	5:52	-	-	-	-	-	-	-	5:52	-	-	-
Sunset	-	-	-	-	-	-	-	5:13	-	-	-	-	-	-	-	5:12	-	-	-	-	-	-	-	5:10

Rain (mm)	-	-	1	2	6	3	1	-	-	-	1	1	-	-	-	-	1	-	-	-	-	-	-	-
Temp. °C	18	17	17	17	17	18	19	21	21	21	19	19	19	19	20	22	21	22	20	20	20	20	22	22
Feels °C (?)	16	15	15	16	16	17	18	21	20	20	17	17	18	18	21	25	23	21	21	21	20	19	20	21

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

Recent Eyeball Surf Reports for Shizuoka

Wind Update Continuing clean conditions at Katahama (light winds from the NNE.(Wind varies from 330 to 100 degs) at Shizouka Airport 10 km from Katahama). 1.0m 5s windswell from the E with a 0.4m 9s swell, also from the E. 2 swells combining to make bigger set waves.
2 hours 19 minutes ago Katahama

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2 h 19 min ago

7 km/h

NNE

Clean

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