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Onjuku

Onjuku Surf Photo: 'Japanese E Coast Longboard' by Alex

Lat Long: 35.18° N 140.35° E

Issued: 2 pm 20 Jun 2026 (local time)

Forecast update in hr min

Today's Onjuku sea temperature is

22.8° C

Normal for this time of year

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

16 Day Forecast Hourly Wave Energy Map Wave Height Map Wind Map

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Tides Sea Temperature

Guide Reviews (2)Photos (2)

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3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	SSW		E	ESE
	10 s	on		8 s	10 s

Open ocean wave model on 17 October at 9 am

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	SSW		E	ESE
	10 s	on		8 s	10 s

Open ocean wave model on 17 October at 12 pm

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	S	S	E	ESE
	10 s	on	3 s	8 s	10 s

Open ocean wave model on 17 October at 3 pm

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	SSE	S	E	ESE
	10 s	on	4 s	8 s	10 s

Open ocean wave model on 17 October at 6 pm

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	SSE	SSE	E	ESE
	10 s	on	4 s	8 s	10 s

Open ocean wave model on 17 October at 9 pm

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	NNW		SSE	E
	10 s	glass		4 s	7 s

Open ocean wave model on 18 October at 12 am

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	S	SW	SSW	ESE	E
	5 s	cross- on	5 s	10 s	7 s

Open ocean wave model on 18 October at 3 am

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	WSW	SSW	E	SSE
	10 s	cross- on	5 s	10 s	6 s

Open ocean wave model on 18 October at 6 am

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	WSW	SSW	S	E
	10 s	cross- on	5 s	5 s	10 s

Open ocean wave model on 18 October at 9 am

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	WSW	SSW	E	SE
	10 s	cross	5 s	10 s	6 s

Open ocean wave model on 18 October at 12 pm

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	WSW	SW	E	SSE
	10 s	cross- on	4 s	10 s	6 s

Open ocean wave model on 18 October at 3 pm

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	SW	WSW	SW	E	S
	4 s	cross- on	4 s	9 s	8 s

Open ocean wave model on 18 October at 6 pm

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	SW	WSW	WSW	E	S
	5 s	cross	5 s	9 s	8 s

Open ocean wave model on 18 October at 9 pm

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	SE	NW	WSW	WSW	E
	8 s	cross- off	5 s	5 s	9 s

Open ocean wave model on 19 October at 12 am

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	SE	N	NNW	ESE	SW
	8 s	off	3 s	8 s	5 s

Open ocean wave model on 19 October at 3 am

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	N	NNW	E	S
	8 s	off	3 s	8 s	7 s

Open ocean wave model on 19 October at 6 am

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

3 hours earlier	Peak Waves	Wind	Wind Waves	Swell 1	Swell 2	3 hours later
	ESE	NNW	W	E	S
	8 s	glass	5 s	8 s	7 s

Open ocean wave model on 19 October at 9 am

Forecast wind and swell just offshore from Onjuku around the time the photo was taken

Image captured 45 minutes before low water (falling ordinary tide). Tide height was 0.7m (2.2 ft). Range 1.67m (5.5 ft). Toggle tide graph

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Onjuku Surf Photo: 'Japanese E Coast Longboard' by Alex

Thank you to Eugene Teal

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User: Alex (1 photo)

Country: Japan (82 photos)

Photo taken at: 9:00 am 18 Oct 2009