Asakawa Surf Forecast

/ Shikoku (17 surf breaks) /

Japan (129 surf breaks) / Lat Long: (33.63° N 134.38° E)

Surf Forecasts:

Asakawa surfForecast / Shikoku / Japan

48hr Weather and Surf, issued 8 pm Sunday 07 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Asakawa sea temperature is 27.7° C
(Which is normal for this time of year)

How big are the waves at Asakawa today?

The current surf forecast for Asakawa at 12AM is: 0.6m 6s primary swell from a South direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 08:00pm September 07). The wind direction is predicted to be glassy.

Time (JST) & Date	Wave Height	Wave Period
Morning (08 Sep)	1.5ft (0.4m)	10s
Afternoon (08 Sep)	1.5ft (0.4m)	10s
Evening (08 Sep)	1.5ft (0.5m)	6s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sun 07		Monday 08								Tuesday 09								Wednesday 10
	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	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 (?)	SE	SSW	SE	SE	SE	SE	SE	SE	SE	S	S	S	S	S	S	S	S	ESE	ESE	ESE	ESE	ESE	ESE	ESE
Period(s) (?)	10	6	10	10	10	10	10	10	10	6	6	7	7	7	7	7	7	10	9	9	9	9	9	9
Wave Graph (?)
Energy (?)	45	88	65	58	57	57	46	56	56	40	53	45	48	48	45	44	42	34	32	32	26	28	28	28
Wind (km/h)	SW	WNW	WNW	NW	NW	ENE	SE	SE	SW	W	W	NW	NW	E	SE	SSE	SW	NNW	NNW	NNW	NNW	ESE	SSE	S
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	cross- off	glass	cross- off	off	glass	cross- on	glass	glass	cross- off	cross- off	glass	glass	glass	cross- on	glass	glass	off	glass	glass	glass	glass	on	on
High Tide / height (m)		6:05PM 1.83			5:49AM 1.90					6:30PM 1.87				6:31AM 1.93				6:55PM 1.89				7:14AM 1.90
Low Tide / height (m)			11:54PM 0.56					12:11PM 0.16				12:27AM 0.41				12:45PM 0.25				1:02AM 0.29				1:18PM 0.39

	Sun 07		Monday 08								Tuesday 09								Wednesday 10
Sunrise	-	-	-	-	5:39	-	-	-	-	-	-	-	5:41	-	-	-	-	-	-	-	5:41	-	-	-
Sunset	6:21	-	-	-	-	-	-	-	6:19	-	-	-	-	-	-	-	6:17	-	-	-	-	-	-	-

Rain (mm)	1	-	-	-	-	-	-	2	1	-	-	-	-	-	-	1	1	1	-	-	-	-	-	1
Temp. °C	28	27	27	26	26	29	31	30	28	27	27	27	26	29	30	30	28	27	26	26	25	28	29	29
Feels °C (?)	34	32	32	30	30	34	35	35	33	32	32	32	30	34	34	35	34	32	30	31	29	34	33	34

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 Shikoku

Wind Update The wind is still cross-off at Asakawa (light winds from the WNW at Murotomisaki(47899-0) 46 km from Asakawa). 0.6m 6s windswell from the S with a 0.3m 9s swell from the ESE. 2 swells combining to make bigger set waves.
1 hour 13 minutes ago Asakawa

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46 km away, 1 h 13 min ago

13 km/h

WNW

0.0

27.7

Air / Water (°C)

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