Siouville Surf Forecast

/ Normandy (37 surf breaks) /

France (410 surf breaks) / Lat Long: (49.56° N 1.86° W)

Surf Forecasts:

Siouville surfForecast / Normandy / France

48hr Weather and Surf, issued 1 am Thursday 18 Sep 2025 CEST

Forecast update in hr min s Forecast update imminent

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

Today's Siouville sea temperature is 17.9° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Siouville today?

The current surf forecast for Siouville at 7AM is: 1.8m 12s primary swell from a West direction (forecast issued at 01:00am September 18). The wind direction is predicted to be cross-onshore.

Time (CEST) & Date	Wave Height	Wave Period
Morning (18 Sep)	5.5ft (1.7m)	12s
Afternoon (18 Sep)	5ft (1.5m)	12s
Evening (18 Sep)	4ft (1.2m)	11s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Thursday 18								Friday 19								Saturday 20
	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	11 AM	2 PM	5 PM	8 PM
Rating (10 max)	0	0	0	0	0	0	1	1	1	2	2	1	0	0	1	0	1	1	1	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Period(s) (?)	10	11	12	12	12	12	12	11	11	11	10	10	10	10	10	10	10	10	9	9	9	9	9	9
Wave Graph (?)
kJ (?)	563	828	1054	961	816	625	526	350	338	279	254	194	183	183	223	184	181	146	140	106	104	104	102	78
Wind (km/h)	SW	SW	SW	SSW	SSW	SW	SW	W	WNW	WSW	ESE	SE	S	S	S	N	NNE	ENE	ESE	SSW	S	S	S	SW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	on	on	glass	cross- off	cross- off	cross	cross	cross	cross	cross- off	off	cross- off	cross	cross	cross	cross	cross- on
High Tide / height (m)				7:22AM 3.51				7:34PM 3.80					8:10AM 3.81				8:18PM 4.11				8:46AM 4.09
Low Tide / height (m)		1:20AM 1.13				1:46PM 1.22					2:16AM 0.77				2:35PM 0.88				2:59AM 0.46				3:14PM 0.60

		Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	-	7:47	-	-	-	-	-	-	-	7:48	-	-	-	-	-	-	-	7:48	-	-	-	-
Sunset	-	-	-	-	-	-	-	8:15	-	-	-	-	-	-	-	8:13	-	-	-	-	-	-	-	8:10

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	18	17	16	17	18	18	20	19	18	18	17	17	18	20	25	23	20	19	18	18	18	19	24	21
Feels °C (?)	14	14	13	15	15	15	19	20	19	19	17	16	17	16	23	20	18	17	16	17	15	16	21	17

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 Normandy

Wind Update The wind is still cross-on at Siouville (strong winds from the SW at Vauville 7 km from Siouville). 1.3m 13s groundswell from the W with a 0.5m 3s local chop from the SW. 2 swells combining to make bigger set waves.
53 minutes ago Siouville

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Actual: 53 min ago

48 km/h

Cross-On

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