Nagahama Surf Forecast

/ Kanagawa (21 surf breaks) /

Japan (129 surf breaks) / Lat Long: (35.19° N 139.61° E)

Surf Forecasts:

Nagahama surfForecast / Kanagawa / Japan

48hr Weather and Surf, issued 8 am Friday 17 Oct 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Nagahama sea temperature is 23.4° C
(Which is normal for this time of year)

How big are the waves at Nagahama today?

The current surf forecast for Nagahama at 1PM is: 0.3m 6s primary swell from a South-southwest direction and 0.1m 6s secondary swell from a Southeast direction (forecast issued at 08:00am October 17). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (17 Oct)	1.5ft (0.4m)	6s
Afternoon (17 Oct)	0.5ft (0.2m)	6s
Evening (17 Oct)	0.5ft (0.1m)	11s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Friday 17						Saturday 18								Sunday 19								Mon 20
	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	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	SSW	SSW	SSW	SSW	SE	SE	SE	SE	SE	SE	SSW	SSW	SSW	S	S	S	SSE	SSE	S	SSE	SSE	SE	SE
Period(s) (?)	5	6	6	6	6	11	11	11	11	10	10	4	5	5	5	6	6	6	6	6	6	6	6	9
Wave Graph (?)
kJ (?)	8	12	7	4	4	4	4	4	4	17	16	27	48	39	25	22	24	29	21	19	12	7	14	13
Wind (km/h)	NE	NE	NE	ENE	E	E	ENE	W	SW	SSW	SSW	SSW	SSW	SW	WSW	N	NNE	NE	ENE	E	E	NE	N	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	off	off	off	cross- off	cross- off	cross- off	glass	on	on	cross- on	on	on	on	on	cross- off	cross- off	off	cross- off	cross- off	cross- off	off	cross- off	cross- off
High Tide / height (m)				2:45PM 1.38				1:58AM 1.27					3:06PM 1.43			2:55AM 1.39					3:28PM 1.48
Low Tide / height (m)		7:35AM 0.52				8:39PM 0.88				8:29AM 0.50					9:06PM 0.71				9:10AM 0.50				9:35PM 0.54

	Friday 17						Saturday 18								Sunday 19								Mon 20
Sunrise	5:48	-	-	-	-	-	-	-	5:48	-	-	-	-	-	-	-	5:50	-	-	-	-	-	-	-
Sunset	-	-	-	5:05	-	-	-	-	-	-	-	5:02	-	-	-	-	-	-	-	5:01	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	6
Temp. °C	21	21	23	23	21	20	20	21	21	22	23	23	23	23	23	23	22	22	23	20	19	19	18	16
Feels °C (?)	16	15	19	19	19	19	20	22	20	19	19	18	19	22	23	23	17	19	21	15	16	16	13	13

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 The wind is still cross-off at Nagahama (light winds from the NNE at Zushi Kanagawa 12 km from Nagahama). 0.3m 6s windswell from the SSW to make surfable waves.
2 hours 19 minutes ago Nagahama

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2 h 19 min ago

11 km/h

NNE

Cross-Off

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