Sion sur l'Ocean Surf Forecast

/ Vendee (19 surf breaks) /

France (410 surf breaks)

Surf Forecasts:

Sion sur l'Ocean surfForecast / Vendee / France

48hr Weather and Surf, issued 7 pm Tuesday 16 Sep 2025 CEST

Forecast update in hr min s Forecast update imminent

Sion sur l'Ocean surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Sion sur l'Ocean sea temperature is 19.1° C
(Which is normal for this time of year)

How big are the waves at Sion sur l'Ocean today?

The current surf forecast for Sion sur l'Ocean at 11PM is: 1.5m 12s primary swell from a West direction (forecast issued at 07:00pm September 16). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (CEST) & Date	Wave Height	Wave Period
Morning (16 Sep)	-	-
Afternoon (16 Sep)	6ft (1.9m)	13s
Evening (16 Sep)	5ft (1.6m)	12s

Table - waves today at Sion sur l'Ocean. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 16			Wednesday 17								Thursday 18								Friday 19
	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	11 AM	2 PM
Rating (10 max)	1	2	3	3	2	2	1	0	0	0	1	3	3	3	3	2	2	1	2	2	2	2	2	1
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) (?)	12	12	12	12	11	11	11	11	10	10	10	12	12	13	12	12	12	12	11	11	11	11	10	10
Wave Graph (?)
kJ (?)	957	726	628	538	369	282	229	182	165	156	192	461	556	715	690	647	547	456	350	338	332	269	249	249
Wind (km/h)	WSW	W	SSW	SSW	S	SSW	SW	SW	WSW	WNW	NW	NNW	E	E	ESE	SW	W	N	NE	E	ESE	SE	SSE	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- off	cross- off	cross- off	cross- off	cross	cross	cross	cross- on	glass	glass	glass	cross- off	off	cross	cross- on	cross- on	cross- off	cross- off	off	off	off	cross- off
High Tide / height (m)					2:36AM 3.29				2:57PM 3.61				3:33AM 3.56				3:49PM 3.90				4:17AM 3.81
Low Tide / height (m)		7:13PM 1.20				7:45AM 1.28					8:32PM 1.00				8:55AM 1.02				9:31PM 0.71				9:47AM 0.70

	Tuesday 16			Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	-	-	7:47	-	-	-	-	-	-	-	7:48	-	-	-	-	-	-	-	7:50	-	-
Sunset	-	8:17	-	-	-	-	-	-	-	8:15	-	-	-	-	-	-	-	8:14	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	16	16	16	16	16	16	16	17	17	17	17	17	16	16	17	21	23	25	26	25	24	22	21	21
Feels °C (?)	14	15	16	16	15	15	15	15	16	17	17	17	16	15	16	19	21	22	22	21	19	17	16	19

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 Vendee

Wind Update Continuing clean conditions at Sion sur l'Ocean (calm at La Roche sur-Yon Aerodrome/Les Ajoncs Airport 47 km from Sion sur l'Ocean). A 1.6m groundswell from the W
1 hour 49 minutes ago Sion sur l'Ocean

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47 km away, 1 h 49 min ago

4 km/h

WSW

0.0

19.1

Air / Water (°C)

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