Uchizuma Surf Forecast

/ Shikoku (17 surf breaks) /

Japan (129 surf breaks) / Lat Long: (33.64° N 134.38° E)

Surf Forecasts:

Uchizuma surfForecast / Shikoku / Japan

48hr Weather and Surf, issued 2 pm Sunday 14 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Uchizuma sea temperature is 28.2° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Uchizuma today?

The current surf forecast for Uchizuma at 4PM is: 1.0m 6s primary swell from a South-southwest direction and 0.3m 10s secondary swell from a Southeast direction, 0.2m 9s secondary swell from a East-southeast direction (forecast issued at 02:00pm September 14). The wind direction is predicted to be cross-onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (14 Sep)	-	-
Afternoon (14 Sep)	3.5ft (1.0m)	6s
Evening (14 Sep)	4ft (1.2m)	6s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sunday 14				Monday 15								Tuesday 16								Wednesday 17
	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	6 AM	9 AM
Rating (10 max)	0	0	0	1	1	1	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 (?)	SSW	SSW	SSW	SSW	SSW	SW	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	ESE	SE
Period(s) (?)	6	6	6	6	6	6	7	9	9	9	9	9	9	9	9	9	9	10	10	9	9	9	8	9
Wave Graph (?)
kJ (?)	64	80	64	90	57	50	17	29	41	40	40	40	40	41	41	43	27	46	44	41	40	40	28	38
Wind (km/h)	S	SSW	WSW	W	NW	NNW	NNW	E	ESE	ESE	S	W	W	NNW	N	ESE	SSE	S	SW	W	W	W	NW	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross	cross- off	glass	glass	glass	glass	glass	glass	glass	glass	cross- off	glass	glass	glass	on	cross- on	cross- on	cross- off	cross- off	cross- off	glass	glass
High Tide / height (m)					9:26PM 1.55					1:57PM 1.34			10:36PM 1.42						3:38PM 1.45			1:11AM 1.37
Low Tide / height (m)			3:42PM 1.15				5:26AM 0.47				5:30PM 1.29					7:20AM 0.50				8:52PM 1.23				8:51AM 0.44

	Sunday 14				Monday 15								Tuesday 16								Wednesday 17
Sunrise	-	-	-	-	-	-	5:45	-	-	-	-	-	-	-	5:45	-	-	-	-	-	-	-	5:46	-
Sunset	-	-	6:10	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:07	-	-	-	-	-

Rain (mm)	1	1	1	-	-	-	-	-	2	3	2	-	-	-	-	-	1	2	2	1	-	-	-	-
Temp. °C	31	30	29	27	27	27	26	29	29	29	28	27	27	26	26	29	29	29	27	26	26	26	26	28
Feels °C (?)	36	35	35	32	32	32	31	35	35	35	34	32	32	31	31	35	33	34	32	30	30	30	30	33

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 Uchizuma (moderate winds from the W at Murotomisaki(47899-0) 47 km from Uchizuma). 1.1m 6s windswell from the SSW with a 0.3m 10s swell from the ESE. 2 swells combining to make bigger set waves.
1 hour 51 minutes ago Uchizuma

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47 km away, 1 h 51 min ago

24 km/h

0.0

28.2

Air / Water (°C)

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