Shonan Surf Forecast

/ Kanagawa (21 surf breaks) /

Japan (129 surf breaks) / Lat Long: (35.32° N 139.44° E)

Surf Forecasts:

Shonan surfForecast / Kanagawa / Japan

48hr Weather and Surf, issued 8 am Saturday 06 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Shonan sea temperature is 27.8° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Shonan today?

The current surf forecast for Shonan at 11AM is: 0.9m 9s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a East direction (forecast issued at 08:00am September 06). The wind direction is predicted to be onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (06 Sep)	3ft (0.9m)	9s
Afternoon (06 Sep)	2.5ft (0.7m)	8s
Evening (06 Sep)	2ft (0.6m)	8s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Saturday 06						Sunday 07								Monday 08								Tue 09
	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)	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	SSW	SSW	S	S	S	S	S	S	S	S	S	S	S	S	S	SSW	SSW	SSW	S	S	S	SSW	SSW
Period(s) (?)	9	9	9	8	8	8	8	8	7	7	7	4	4	4	4	4	4	5	5	6	6	6	5	5
Wave Graph (?)
Energy (?)	217	134	103	71	56	52	60	55	41	51	41	21	33	26	14	15	33	42	16	25	23	21	20	15
Wind (km/h)	NE	ESE	SSE	S	S	S	S	SSW	SW	SSW	S	S	SSW	SW	SW	WSW	WNW	E	S	S	SSW	NNE	NNE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	glass	on	cross- on	on	on	cross- on	cross- on	cross- on	cross- on	on	on	cross- on	cross- on	cross- on	cross	glass	glass	on	cross- on	cross- on	cross- off	cross- off	cross- off
High Tide / height (m)	3:01AM 1.39				4:43PM 1.46				3:48AM 1.48				5:03PM 1.50				4:32AM 1.54				5:24PM 1.53
Low Tide / height (m)			9:53AM 0.17				10:15PM 0.76				10:28AM 0.15				10:46PM 0.62				11:01AM 0.19				11:18PM 0.48

	Saturday 06						Sunday 07								Monday 08								Tue 09
Sunrise	5:16	-	-	-	-	-	-	-	5:18	-	-	-	-	-	-	-	5:18	-	-	-	-	-	-	-
Sunset	-	-	-	-	6:02	-	-	-	-	-	-	-	6:01	-	-	-	-	-	-	-	6:00	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	1	-
Temp. °C	25	26	26	27	26	25	25	25	25	27	28	28	28	27	26	26	26	28	29	29	29	29	27	26
Feels °C (?)	29	30	29	28	27	26	27	27	28	30	30	29	30	29	29	30	30	32	32	32	33	33	30	29

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 Kanagawa

Wind Update Continuing clean conditions at Shonan (calm at Ogino wx 20 km from Shonan). 0.9m 9s swell from the S with a 0.3m 8s swell from the ENE. 2 swells combining to make bigger set waves.
1 hour 54 minutes ago Shonan

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20 km away, 1 h 54 min ago

0 km/h

0.0

27.8

Air / Water (°C)

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