Kaifu Rivermouth Surf Forecast

/ Shikoku (17 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Kaifu Rivermouth surfForecast / Shikoku / Japan

48hr Weather and Surf, issued 2 am Saturday 06 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Kaifu Rivermouth sea temperature is 28.7° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Kaifu Rivermouth today?

The current surf forecast for Kaifu Rivermouth at 8AM is: 1.1m 8s primary swell from a South direction and 0.3m 10s secondary swell from a East-southeast direction (forecast issued at 02:00am September 06). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (06 Sep)	3.5ft (1.0m)	8s
Afternoon (06 Sep)	3ft (0.9m)	7s
Evening (06 Sep)	2.5ft (0.8m)	7s

Table - waves today at Kaifu Rivermouth. (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
	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	6 PM	9 PM
Rating (10 max)	2	1	1	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	S	S	S	S	S	S	S	S	S	S	S	SE	SE	SE	SE	SE	SE	SE	ESE	SE	SE	SE	SE
Period(s) (?)	8	8	8	8	8	7	7	7	7	7	7	7	10	10	10	10	10	10	10	10	10	10	10	10
Wave Graph (?)
Energy (?)	324	239	165	134	111	106	90	86	70	69	57	56	55	46	49	55	55	45	44	60	56	56	53	46
Wind (km/h)	N	N	N	NE	E	SE	S	SW	WSW	W	WNW	SSE	SSE	S	SSW	WNW	WNW	WNW	NNW	E	SE	SE	WSW	WNW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross	cross- on	on	cross- on	cross	cross- off	glass	glass	glass	cross- on	cross- on	cross	cross- off	off	glass	glass	glass	on	glass	glass	glass
High Tide / height (m)			4:24AM 1.69				5:40PM 1.77				5:07AM 1.81					6:05PM 1.83			5:49AM 1.90					6:30PM 1.87
Low Tide / height (m)	10:52PM 0.88				11:03AM 0.17				11:22PM 0.72				11:37AM 0.13				11:54PM 0.56					12:11PM 0.16

	Saturday 06								Sunday 07								Monday 08
Sunrise	-	-	5:39	-	-	-	-	-	-	-	5:39	-	-	-	-	-	-	-	5:39	-	-	-	-	-
Sunset	-	-	-	-	-	-	6:22	-	-	-	-	-	-	-	6:21	-	-	-	-	-	-	-	6:19	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	-
Temp. °C	26	26	25	28	30	29	27	26	26	26	25	28	30	30	28	27	26	26	26	29	31	30	28	27
Feels °C (?)	30	30	29	32	33	33	32	31	31	31	29	33	34	34	33	32	30	31	30	34	35	36	34	32

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 Continuing clean conditions at Kaifu Rivermouth (light winds from the NNW at Tokushima 56 km from Kaifu Rivermouth). 1.1m 8s swell from the S with a 0.3m 9s swell from the E and a 0.3m 7s swell from the ENE. 3 swells combining to make bigger set waves.
51 minutes ago Kaifu Rivermouth

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