Prefailles Surf Forecast

/ Loire Atlantique (9 surf breaks) /

France (410 surf breaks)

Surf Forecasts:

Prefailles surfForecast / Loire Atlantique / France

48hr Weather and Surf, issued 1 pm Saturday 13 Sep 2025 CEST

Forecast update in hr min s Forecast update imminent

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

Today's Prefailles sea temperature is 18.7° C
(Which is normal for this time of year)

How big are the waves at Prefailles today?

The current surf forecast for Prefailles at 8PM is: 1.4m 12s primary swell from a West-southwest direction (forecast issued at 01:00pm September 13). The wind direction is predicted to be cross-shore.

Time (CEST) & Date	Wave Height	Wave Period
Morning (13 Sep)	4.5ft (1.4m)	12s
Afternoon (13 Sep)	4.5ft (1.3m)	12s
Evening (13 Sep)	4.5ft (1.4m)	12s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Saturday 13					Sunday 14								Monday 15								Tuesday 16
	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM
Rating (10 max)	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	WSW	W	WSW	W	W	W	W	W	W
Period(s) (?)	12	12	12	12	12	12	12	12	12	8	8	8	8	8	9	10	11	12	13	13	13	13	13	13
Wave Graph (?)
kJ (?)	494	486	560	569	425	361	322	658	317	191	215	220	263	330	421	533	707	876	972	1018	905	905	905	799
Wind (km/h)	WSW	WSW	WSW	WSW	WSW	SW	SSE	S	WSW	WSW	WSW	SW	WSW	WSW	W	W	W	W	W	W	W	W	W	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- on	cross	cross	cross	cross- on	cross- on	on	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross
High Tide / height (m)	8:42AM 4.12				9:09PM 3.86				9:33AM 3.74				10:12PM 3.39				10:50AM 3.38					12:42AM 3.10
Low Tide / height (m)			3:44PM 0.55				4:11AM 0.86				4:46PM 0.92					5:17AM 1.21				6:02PM 1.17				6:37AM 1.37

	Saturday 13					Sunday 14								Monday 15								Tuesday 16
Sunrise	-	-	-	-	-	-	-	7:43	-	-	-	-	-	-	-	7:45	-	-	-	-	-	-	-	7:46
Sunset	-	-	-	8:25	-	-	-	-	-	-	-	8:23	-	-	-	-	-	-	-	8:22	-	-	-	-

Rain (mm)	1	2	2	1	-	-	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	17	17	17	17	17	16	16	17	19	19	19	19	19	19	17	17	17	17	17	17	17	17	16	16
Feels °C (?)	12	12	12	12	13	15	14	17	16	16	15	15	14	14	12	12	11	11	11	11	12	13	11	12

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 Loire Atlantique

Wind Update Recent cross-onshore wind has turned cross-shore at Prefailles (light winds from the W at Saint -Nazaire -Montoir 21 km from Prefailles). A 1.9m windswell from the WSW
41 minutes ago Prefailles

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21 km away, 41 min ago

19 km/h

0.0

18.7

Air / Water (°C)

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