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 pm Sunday 19 Oct 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 23.8° C
(Which is slightly warmer than usual)

How big are the waves at Shonan today?

The current surf forecast for Shonan at 1AM is: 0.4m 6s primary swell from a Southeast direction and 0.2m 9s secondary swell from a South-southeast direction (forecast issued at 08:00pm October 19). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (20 Oct)	1.5ft (0.4m)	6s
Afternoon (20 Oct)	1.5ft (0.4m)	6s
Evening (20 Oct)	1ft (0.3m)	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

	Sun 19		Monday 20								Tuesday 21								Wednesday 22
	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	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	SSE	SE	SE	SE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SE	SE	SE	SE	SE	ESE	SE	SE
Period(s) (?)	6	6	6	9	6	6	6	6	6	8	8	8	9	9	9	9	9	9	9	9	8	7	10	10
Wave Graph (?)
kJ (?)	9	7	11	8	10	9	9	9	9	11	11	11	7	7	8	8	21	12	3	12	11	5	25	26
Wind (km/h)	ENE	ENE	NE	N	N	NE	NE	ENE	NE	NE	NE	NE	NE	NE	NNE	NE	NNE	NNE	NNE	NNE	NNE	N	N	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- off	cross- off	off	cross- off	cross- off	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)	3:28PM 1.41				3:58AM 1.40				3:46PM 1.44				4:35AM 1.44				4:05PM 1.47				5:10AM 1.46
Low Tide / height (m)			9:44PM 0.44				9:51AM 0.58				10:10PM 0.32				10:19AM 0.64				10:37PM 0.22				10:45AM 0.71

	Sun 19		Monday 20								Tuesday 21								Wednesday 22
Sunrise	-	-	-	-	5:50	-	-	-	-	-	-	-	5:52	-	-	-	-	-	-	-	5:52	-	-	-
Sunset	-	-	-	-	-	-	-	5:01	-	-	-	-	-	-	-	5:00	-	-	-	-	-	-	-	4:59

Rain (mm)	-	-	3	5	7	1	-	-	-	1	1	-	1	1	-	-	-	1	5	4	4	10	5	3
Temp. °C	19	19	17	16	16	17	19	19	19	18	16	15	15	14	14	15	15	13	12	12	11	11	11	11
Feels °C (?)	17	18	15	12	15	18	19	18	18	15	11	10	10	9	9	10	10	9	8	6	5	5	5	6

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 (light winds from the N at Zushi Kanagawa 12 km from Shonan). 0.7m 7s swell from the SE with a 0.6m 3s local chop from the ENE. 2 swells combining to make bigger set waves.
49 minutes ago Shonan

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Actual: 49 min ago

8 km/h

Clean

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