Katahama Surf Forecast

/ Shizuoka (8 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Katahama surfForecast / Shizuoka / Japan

48hr Weather and Surf, issued 8 am Sunday 14 Sep 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 28.1° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Katahama today?

The current surf forecast for Katahama at 2PM is: 0.3m 10s primary swell from a Southeast direction and 0.2m 9s secondary swell from a East direction (forecast issued at 08:00am September 14). An open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (14 Sep)	1ft (0.3m)	10s
Afternoon (14 Sep)	1ft (0.3m)	10s
Evening (14 Sep)	1ft (0.3m)	10s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sunday 14						Monday 15								Tuesday 16								Wed 17
	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	6 PM	9 PM	0 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	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E
Period(s) (?)	10	10	10	10	10	10	9	9	9	9	9	9	10	10	10	10	9	9	9	9	9	9	9	8
Wave Graph (?)
kJ (?)	16	16	16	16	16	15	14	14	13	13	14	15	18	18	32	38	33	47	46	46	45	45	42	37
Wind (km/h)	SW	WSW	WSW	SW	WSW	WSW	W	NNW	N	ESE	SSE	SSE	SE	ESE	ESE	ENE	NE	E	SSE	SSE	SSE	SW	W	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- on	on	on	on	on	glass	glass	glass	cross- on	on	on	cross- on	glass	cross- off	cross- off
High Tide / height (m)			10:30AM 1.30			8:55PM 1.52						1:48PM 1.30			9:49PM 1.40						3:14PM 1.42			12:37AM 1.32
Low Tide / height (m)	3:39AM 0.56			2:57PM 1.15					4:59AM 0.63				4:42PM 1.28					6:46AM 0.65				8:42PM 1.25

	Sunday 14						Monday 15								Tuesday 16								Wed 17
Sunrise	5:28	-	-	-	-	-	-	-	5:28	-	-	-	-	-	-	-	5:30	-	-	-	-	-	-	-
Sunset	-	-	-	5:55	-	-	-	-	-	-	-	5:54	-	-	-	-	-	-	-	5:53	-	-	-	-

Rain (mm)	-	1	-	-	-	-	-	-	-	-	1	1	-	-	-	1	1	-	-	-	-	-	-	-
Temp. °C	27	28	30	30	28	28	27	26	26	28	27	27	26	26	26	26	26	27	28	28	27	27	27	26
Feels °C (?)	29	31	31	31	30	30	31	30	30	33	30	31	30	31	31	31	31	31	32	32	32	32	32	30

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 The wind is still cross-off at Katahama (moderate winds from the WSW at Shizouka Airport 10 km from Katahama). 0.2m 10s swell from the ESE to make surfable waves.
2 hours 27 minutes ago Katahama

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2 h 27 min ago

20 km/h

WSW

Cross-Off

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