La Tranche sur Mer Surf Forecast

/ Vendee (19 surf breaks) /

France (410 surf breaks) / Lat Long: (46.34° N 1.47° W)

Surf Forecasts:

La Tranche sur Mer surfForecast / Vendee / France

48hr Weather and Surf, issued 7 pm Monday 15 Sep 2025 CEST

Forecast update in hr min s Forecast update imminent

La Tranche sur Mer surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's La Tranche sur Mer sea temperature is 19.4° C
(Which is normal for this time of year)

How big are the waves at La Tranche sur Mer today?

The current surf forecast for La Tranche sur Mer at 9PM is: 2.1m 13s primary swell from a West direction (forecast issued at 07:00pm September 15). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (CEST) & Date	Wave Height	Wave Period
Morning (15 Sep)	-	-
Afternoon (15 Sep)	7ft (2.1m)	12s
Evening (15 Sep)	7ft (2.1m)	13s

Table - waves today at La Tranche sur Mer. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Monday 15			Tuesday 16								Wednesday 17								Thursday 18
	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	0	0	1	1	1	1	1	0	0	!
Swell Height Map See all maps
Wave Height (m) & direction (?)	W	W	W	W	W	WSW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Period(s) (?)	12	13	13	13	13	13	13	13	13	12	12	12	12	11	11	11	11	10	10	10	12	13	13	13
Wave Graph (?)
Energy (?)	1335	1634	1561	2296	2190	1288	1121	987	851	679	488	411	333	248	191	149	112	100	73	98	265	392	475	475
Wind (km/h)	W	WNW	WNW	WNW	WNW	W	WSW	WSW	W	WNW	NNW	ESE	SE	SE	SE	S	W	NW	NNW	NNE	NE	E	ESE	SE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	glass	glass	glass	on	on	cross- on	cross- off	off	cross- off	cross- off	cross	cross- on	cross- on	on
High Tide / height (m)				1:32AM 3.21					2:01PM 3.45				2:46AM 3.43				3:07PM 3.75				3:41AM 3.70
Low Tide / height (m)		5:45PM 1.12				6:18AM 1.34				7:07PM 1.19				7:40AM 1.29					8:26PM 1.00				8:50AM 1.02

	Monday 15			Tuesday 16								Wednesday 17								Thursday 18
Sunrise	-	-	-	-	-	7:43	-	-	-	-	-	-	-	7:45	-	-	-	-	-	-	-	7:46	-	-
Sunset	-	8:17	-	-	-	-	-	-	-	8:15	-	-	-	-	-	-	-	8:14	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	18	18	17	17	17	17	17	17	17	17	16	16	16	15	16	17	19	20	20	19	18	18	19	23
Feels °C (?)	12	13	13	13	14	15	16	15	15	17	16	16	16	15	15	16	18	19	18	17	16	16	16	21

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 The wind is still cross-off at La Tranche sur Mer (light winds from the W at Ile de Ré (PSL LOIX) 13 km from La Tranche sur Mer). A 2.3m groundswell from the W is too big for here
1 hour 24 minutes ago La Tranche sur Mer

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1 h 24 min ago

19 km/h

Cross-Off

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